GSC defined terms

Below we list the complete set of terms available accross all checklists and environmental packages.

MIXS ID	Label	Structured comment name	Definition
MIXS:0000004	submitted to insdc	submitted_to_insdc	Depending on the study (large-scale e.g. done with next generation sequencing technology, or small-scale) sequences have to be submitted to SRA (Sequence Read Archive), DRA (DDBJ Read Archive) or via the classical Webin/Sequin systems to Genbank, ENA and DDBJ. Although this field is mandatory, it is meant as a self-test field, therefore it is not necessary to include this field in contextual data submitted to databases
MIXS:0000007	investigation type	investigation_type	Nucleic Acid Sequence Report is the root element of all MIGS/MIMS compliant reports as standardized by Genomic Standards Consortium. This field is either eukaryote,bacteria,virus,plasmid,organelle, metagenome,mimarks-survey, mimarks-specimen, metatranscriptome, single amplified genome, metagenome-assembled genome, or uncultivated viral genome
MIXS:0000092	project name	project_name	Name of the project within which the sequencing was organized
MIXS:0000008	experimental factor	experimental_factor	Experimental factors are essentially the variable aspects of an experiment design which can be used to describe an experiment, or set of experiments, in an increasingly detailed manner. This field accepts ontology terms from Experimental Factor Ontology (EFO) and/or Ontology for Biomedical Investigations (OBI). For a browser of EFO (v 2.95) terms, please see http://purl.bioontology.org/ontology/EFO; for a browser of OBI (v 2018-02-12) terms please see http://purl.bioontology.org/ontology/OBI
MIXS:0000009	geographic location (latitude and longitude)	lat_lon	The geographical origin of the sample as defined by latitude and longitude. The values should be reported in decimal degrees and in WGS84 system
MIXS:0000010	geographic location (country and/or sea,region)	geo_loc_name	The geographical origin of the sample as defined by the country or sea name followed by specific region name. Country or sea names should be chosen from the INSDC country list (http://insdc.org/country.html), or the GAZ ontology (v 1.512) (http://purl.bioontology.org/ontology/GAZ)
MIXS:0000011	collection date	collection_date	The time of sampling, either as an instance (single point in time) or interval. In case no exact time is available, the date/time can be right truncated i.e. all of these are valid times: 2008-01-23T19:23:10+00:00; 2008-01-23T19:23:10; 2008-01-23; 2008-01; 2008; Except: 2008-01; 2008 all are ISO8601 compliant
MIXS:0000012	broad-scale environmental context	env_broad_scale	In this field, report which major environmental system your sample or specimen came from. The systems identified should have a coarse spatial grain, to provide the general environmental context of where the sampling was done (e.g. were you in the desert or a rainforest?). We recommend using subclasses of ENVO’s biome class: http://purl.obolibrary.org/obo/ENVO_00000428. Format (one term): termLabel [termID], Format (multiple terms): termLabel [termID]\|termLabel [termID]\|termLabel [termID]. Example: Annotating a water sample from the photic zone in middle of the Atlantic Ocean, consider: oceanic epipelagic zone biome [ENVO:01000033]. Example: Annotating a sample from the Amazon rainforest consider: tropical moist broadleaf forest biome [ENVO:01000228]. If needed, request new terms on the ENVO tracker, identified here: http://www.obofoundry.org/ontology/envo.html
MIXS:0000013	local environmental context	env_local_scale	In this field, report the entity or entities which are in your sample or specimen’s local vicinity and which you believe have significant causal influences on your sample or specimen. Please use terms that are present in ENVO and which are of smaller spatial grain than your entry for env_broad_scale. Format (one term): termLabel [termID]; Format (multiple terms): termLabel [termID]\|termLabel [termID]\|termLabel [termID]. Example: Annotating a pooled sample taken from various vegetation layers in a forest consider: canopy [ENVO:00000047]\|herb and fern layer [ENVO:01000337]\|litter layer [ENVO:01000338]\|understory [01000335]\|shrub layer [ENVO:01000336]. If needed, request new terms on the ENVO tracker, identified here: http://www.obofoundry.org/ontology/envo.html
MIXS:0000014	environmental medium	env_medium	In this field, report which environmental material or materials (pipe separated) immediately surrounded your sample or specimen prior to sampling, using one or more subclasses of ENVO’s environmental material class: http://purl.obolibrary.org/obo/ENVO_00010483. Format (one term): termLabel [termID]; Format (multiple terms): termLabel [termID]\|termLabel [termID]\|termLabel [termID]. Example: Annotating a fish swimming in the upper 100 m of the Atlantic Ocean, consider: ocean water [ENVO:00002151]. Example: Annotating a duck on a pond consider: pond water [ENVO:00002228]\|air ENVO_00002005. If needed, request new terms on the ENVO tracker, identified here: http://www.obofoundry.org/ontology/envo.html
MIXS:0000019	environmental package	env_package	MIxS extension for reporting of measurements and observations obtained from one or more of the environments where the sample was obtained. All environmental packages listed here are further defined in separate subtables. By giving the name of the environmental package, a selection of fields can be made from the subtables and can be reported
MIXS:0000020	subspecific genetic lineage	subspecf_gen_lin	This should provide further information about the genetic distinctness of the sequenced organism by recording additional information e.g. serovar, serotype, biotype, ecotype, or any relevant genetic typing schemes like Group I plasmid. It can also contain alternative taxonomic information. It should contain both the lineage name, and the lineage rank, i.e. biovar:abc123
MIXS:0000021	ploidy	ploidy	The ploidy level of the genome (e.g. allopolyploid, haploid, diploid, triploid, tetraploid). It has implications for the downstream study of duplicated gene and regions of the genomes (and perhaps for difficulties in assembly). For terms, please select terms listed under class ploidy (PATO:001374) of Phenotypic Quality Ontology (PATO), and for a browser of PATO (v 2018-03-27) please refer to http://purl.bioontology.org/ontology/PATO
MIXS:0000022	number of replicons	num_replicons	Reports the number of replicons in a nuclear genome of eukaryotes, in the genome of a bacterium or archaea or the number of segments in a segmented virus. Always applied to the haploid chromosome count of a eukaryote
MIXS:0000023	extrachromosomal elements	extrachrom_elements	Do plasmids exist of significant phenotypic consequence (e.g. ones that determine virulence or antibiotic resistance). Megaplasmids? Other plasmids (borrelia has 15+ plasmids)
MIXS:0000024	estimated size	estimated_size	The estimated size of the genome prior to sequencing. Of particular importance in the sequencing of (eukaryotic) genome which could remain in draft form for a long or unspecified period.
MIXS:0000025	reference for biomaterial	ref_biomaterial	Primary publication if isolated before genome publication; otherwise, primary genome report
MIXS:0000026	source material identifiers	source_mat_id	A unique identifier assigned to a material sample (as defined by http://rs.tdwg.org/dwc/terms/materialSampleID, and as opposed to a particular digital record of a material sample) used for extracting nucleic acids, and subsequent sequencing. The identifier can refer either to the original material collected or to any derived sub-samples. The INSDC qualifiers /specimen_voucher, /bio_material, or /culture_collection may or may not share the same value as the source_mat_id field. For instance, the /specimen_voucher qualifier and source_mat_id may both contain 'UAM:Herps:14' , referring to both the specimen voucher and sampled tissue with the same identifier. However, the /culture_collection qualifier may refer to a value from an initial culture (e.g. ATCC:11775) while source_mat_id would refer to an identifier from some derived culture from which the nucleic acids were extracted (e.g. xatc123 or ark:/2154/R2).
MIXS:0000027	known pathogenicity	pathogenicity	To what is the entity pathogenic
MIXS:0000028	observed biotic relationship	biotic_relationship	Description of relationship(s) between the subject organism and other organism(s) it is associated with. E.g., parasite on species X; mutualist with species Y. The target organism is the subject of the relationship, and the other organism(s) is the object
MIXS:0000029	specific host	specific_host	If there is a host involved, please provide its taxid (or environmental if not actually isolated from the dead or alive host - i.e. a pathogen could be isolated from a swipe of a bench etc) and report whether it is a laboratory or natural host)
MIXS:0000030	host specificity or range	host_spec_range	The NCBI taxonomy identifier of the specific host if it is known
MIXS:0000031	health or disease status of specific host at time of collection	health_disease_stat	Health or disease status of specific host at time of collection
MIXS:0000032	trophic level	trophic_level	Trophic levels are the feeding position in a food chain. Microbes can be a range of producers (e.g. chemolithotroph)
MIXS:0000033	propagation	propagation	This field is specific to different taxa. For phages: lytic/lysogenic, for plasmids: incompatibility group, for eukaryotes: sexual/asexual (Note: there is the strong opinion to name phage propagation obligately lytic or temperate, therefore we also give this choice
MIXS:0000034	encoded traits	encoded_traits	Should include key traits like antibiotic resistance or xenobiotic degradation phenotypes for plasmids, converting genes for phage
MIXS:0000015	relationship to oxygen	rel_to_oxygen	Is this organism an aerobe, anaerobe? Please note that aerobic and anaerobic are valid descriptors for microbial environments
MIXS:0000003	isolation and growth condition	isol_growth_condt	Publication reference in the form of pubmed ID (pmid), digital object identifier (doi) or url for isolation and growth condition specifications of the organism/material
MIXS:0000002	sample collection device or method	samp_collect_device	The method or device employed for collecting the sample
MIXS:0000016	sample material processing	samp_mat_process	Any processing applied to the sample during or after retrieving the sample from environment. This field accepts OBI, for a browser of OBI (v 2018-02-12) terms please see http://purl.bioontology.org/ontology/OBI
MIXS:0000017	size fraction selected	size_frac	Filtering pore size used in sample preparation
MIXS:0000001	amount or size of sample collected	samp_size	Amount or size of sample (volume, mass or area) that was collected
MIXS:0000035	source of UViGs	source_uvig	Type of dataset from which the UViG was obtained
MIXS:0000036	virus enrichment approach	virus_enrich_appr	List of approaches used to enrich the sample for viruses, if any
MIXS:0000037	nucleic acid extraction	nucl_acid_ext	A link to a literature reference, electronic resource or a standard operating procedure (SOP), that describes the material separation to recover the nucleic acid fraction from a sample
MIXS:0000038	nucleic acid amplification	nucl_acid_amp	A link to a literature reference, electronic resource or a standard operating procedure (SOP), that describes the enzymatic amplification (PCR, TMA, NASBA) of specific nucleic acids
MIXS:0000039	library size	lib_size	Total number of clones in the library prepared for the project
MIXS:0000040	library reads sequenced	lib_reads_seqd	Total number of clones sequenced from the library
MIXS:0000041	library layout	lib_layout	Specify whether to expect single, paired, or other configuration of reads
MIXS:0000042	library vector	lib_vector	Cloning vector type(s) used in construction of libraries
MIXS:0000043	library screening strategy	lib_screen	Specific enrichment or screening methods applied before and/or after creating libraries
MIXS:0000044	target gene	target_gene	Targeted gene or locus name for marker gene studies
MIXS:0000045	target subfragment	target_subfragment	Name of subfragment of a gene or locus. Important to e.g. identify special regions on marker genes like V6 on 16S rRNA
MIXS:0000046	pcr primers	pcr_primers	PCR primers that were used to amplify the sequence of the targeted gene, locus or subfragment. This field should contain all the primers used for a single PCR reaction if multiple forward or reverse primers are present in a single PCR reaction. The primer sequence should be reported in uppercase letters
MIXS:0000047	multiplex identifiers	mid	Molecular barcodes, called Multiplex Identifiers (MIDs), that are used to specifically tag unique samples in a sequencing run. Sequence should be reported in uppercase letters
MIXS:0000048	adapters	adapters	Adapters provide priming sequences for both amplification and sequencing of the sample-library fragments. Both adapters should be reported; in uppercase letters
MIXS:0000049	pcr conditions	pcr_cond	Description of reaction conditions and components of PCR in the form of 'initial denaturation:94degC_1.5min; annealing=...'
MIXS:0000050	sequencing method	seq_meth	Sequencing method used; e.g. Sanger, pyrosequencing, ABI-solid
MIXS:0000051	sequence quality check	seq_quality_check	Indicate if the sequence has been called by automatic systems (none) or undergone a manual editing procedure (e.g. by inspecting the raw data or chromatograms). Applied only for sequences that are not submitted to SRA,ENA or DRA
MIXS:0000052	chimera check	chimera_check	A chimeric sequence, or chimera for short, is a sequence comprised of two or more phylogenetically distinct parent sequences. Chimeras are usually PCR artifacts thought to occur when a prematurely terminated amplicon reanneals to a foreign DNA strand and is copied to completion in the following PCR cycles. The point at which the chimeric sequence changes from one parent to the next is called the breakpoint or conversion point
MIXS:0000053	taxonomic identity marker	tax_ident	The phylogenetic marker(s) used to assign an organism name to the SAG or MAG
MIXS:0000056	assembly quality	assembly_qual	The assembly quality category is based on sets of criteria outlined for each assembly quality category. For MISAG/MIMAG; Finished: Single, validated, contiguous sequence per replicon without gaps or ambiguities with a consensus error rate equivalent to Q50 or better. High Quality Draft:Multiple fragments where gaps span repetitive regions. Presence of the 23S, 16S and 5S rRNA genes and at least 18 tRNAs. Medium Quality Draft:Many fragments with little to no review of assembly other than reporting of standard assembly statistics. Low Quality Draft:Many fragments with little to no review of assembly other than reporting of standard assembly statistics. Assembly statistics include, but are not limited to total assembly size, number of contigs, contig N50/L50, and maximum contig length. For MIUVIG; Finished: Single, validated, contiguous sequence per replicon without gaps or ambiguities, with extensive manual review and editing to annotate putative gene functions and transcriptional units. High-quality draft genome: One or multiple fragments, totaling ≥ 90% of the expected genome or replicon sequence or predicted complete. Genome fragment(s): One or multiple fragments, totalling < 90% of the expected genome or replicon sequence, or for which no genome size could be estimated
MIXS:0000057	assembly name	assembly_name	Name/version of the assembly provided by the submitter that is used in the genome browsers and in the community
MIXS:0000058	assembly software	assembly_software	Tool(s) used for assembly, including version number and parameters
MIXS:0000059	annotation	annot	Tool used for annotation, or for cases where annotation was provided by a community jamboree or model organism database rather than by a specific submitter
MIXS:0000060	number of contigs	number_contig	Total number of contigs in the cleaned/submitted assembly that makes up a given genome, SAG, MAG, or UViG
MIXS:0000061	feature prediction	feat_pred	Method used to predict UViGs features such as ORFs, integration site, etc.
MIXS:0000062	reference database(s)	ref_db	List of database(s) used for ORF annotation, along with version number and reference to website or publication
MIXS:0000063	similarity search method	sim_search_meth	Tool used to compare ORFs with database, along with version and cutoffs used
MIXS:0000064	taxonomic classification	tax_class	Method used for taxonomic classification, along with reference database used, classification rank, and thresholds used to classify new genomes
MIXS:0000065	16S recovered	16s_recover	Can a 16S gene be recovered from the submitted SAG or MAG?
MIXS:0000066	16S recovery software	16s_recover_software	Tools used for 16S rRNA gene extraction
MIXS:0000067	number of standard tRNAs extracted	trnas	The total number of tRNAs identified from the SAG or MAG
MIXS:0000068	tRNA extraction software	trna_ext_software	Tools used for tRNA identification
MIXS:0000069	completeness score	compl_score	Completeness score is typically based on either the fraction of markers found as compared to a database or the percent of a genome found as compared to a closely related reference genome. High Quality Draft: >90%, Medium Quality Draft: >50%, and Low Quality Draft: < 50% should have the indicated completeness scores
MIXS:0000070	completeness software	compl_software	Tools used for completion estimate, i.e. checkm, anvi'o, busco
MIXS:0000071	completeness approach	compl_appr	The approach used to determine the completeness of a given SAG or MAG, which would typically make use of a set of conserved marker genes or a closely related reference genome. For UViG completeness, include reference genome or group used, and contig feature suggesting a complete genome
MIXS:0000072	contamination score	contam_score	The contamination score is based on the fraction of single-copy genes that are observed more than once in a query genome. The following scores are acceptable for; High Quality Draft: < 5%, Medium Quality Draft: < 10%, Low Quality Draft: < 10%. Contamination must be below 5% for a SAG or MAG to be deposited into any of the public databases
MIXS:0000005	contamination screening input	contam_screen_input	The type of sequence data used as input
MIXS:0000073	contamination screening parameters	contam_screen_param	Specific parameters used in the decontamination sofware, such as reference database, coverage, and kmers. Combinations of these parameters may also be used, i.e. kmer and coverage, or reference database and kmer
MIXS:0000074	decontamination software	decontam_software	Tool(s) used in contamination screening
MIXS:0000075	sorting technology	sort_tech	Method used to sort/isolate cells or particles of interest
MIXS:0000076	single cell or viral particle lysis approach	single_cell_lysis_appr	Method used to free DNA from interior of the cell(s) or particle(s)
MIXS:0000054	single cell or viral particle lysis kit protocol	single_cell_lysis_prot	Name of the kit or standard protocol used for cell(s) or particle(s) lysis
MIXS:0000055	WGA amplification approach	wga_amp_appr	Method used to amplify genomic DNA in preparation for sequencing
MIXS:0000006	WGA amplification kit	wga_amp_kit	Kit used to amplify genomic DNA in preparation for sequencing
MIXS:0000077	binning parameters	bin_param	The parameters that have been applied during the extraction of genomes from metagenomic datasets
MIXS:0000078	binning software	bin_software	Tool(s) used for the extraction of genomes from metagenomic datasets
MIXS:0000079	reassembly post binning	reassembly_bin	Has an assembly been performed on a genome bin extracted from a metagenomic assembly?
MIXS:0000080	MAG coverage software	mag_cov_software	Tool(s) used to determine the genome coverage if coverage is used as a binning parameter in the extraction of genomes from metagenomic datasets
MIXS:0000081	viral identification software	vir_ident_software	Tool(s) used for the identification of UViG as a viral genome, software or protocol name including version number, parameters, and cutoffs used
MIXS:0000082	predicted genome type	pred_genome_type	Type of genome predicted for the UViG
MIXS:0000083	predicted genome structure	pred_genome_struc	Expected structure of the viral genome
MIXS:0000084	detection type	detec_type	Type of UViG detection
MIXS:0000085	vOTU classification approach	votu_class_appr	Cutoffs and approach used when clustering new UViGs in “species-level” vOTUs. Note that results from standard 95% ANI / 85% AF clustering should be provided alongside vOTUS defined from another set of thresholds, even if the latter are the ones primarily used during the analysis
MIXS:0000086	vOTU sequence comparison approach	votu_seq_comp_appr	Tool and thresholds used to compare sequences when computing "species-level" vOTUs
MIXS:0000087	vOTU database	votu_db	Reference database (i.e. sequences not generated as part of the current study) used to cluster new genomes in "species-level" vOTUs, if any
MIXS:0000088	host prediction approach	host_pred_appr	Tool or approach used for host prediction
MIXS:0000089	host prediction estimated accuracy	host_pred_est_acc	For each tool or approach used for host prediction, estimated false discovery rates should be included, either computed de novo or from the literature
MIXS:0000091	relevant electronic resources	url
MIXS:0000090	relevant standard operating procedures	sop	Standard operating procedures used in assembly and/or annotation of genomes, metagenomes or environmental sequences
MIXS:0000093	elevation	elev	Elevation of the sampling site is its height above a fixed reference point, most commonly the mean sea level. Elevation is mainly used when referring to points on the earth's surface, while altitude is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit
MIXS:0000094	altitude	alt	Altitude is a term used to identify heights of objects such as airplanes, space shuttles, rockets, atmospheric balloons and heights of places such as atmospheric layers and clouds. It is used to measure the height of an object which is above the earth‚Äôs surface. In this context, the altitude measurement is the vertical distance between the earth's surface above sea level and the sampled position in the air
MIXS:0000095	elevation	elev	Elevation of the sampling site is its height above a fixed reference point, most commonly the mean sea level. Elevation is mainly used when referring to points on the earth's surface, while altitude is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit
MIXS:0000240	geographic location (depth)	depth	Depth is defined as the vertical distance below local surface, e.g. For sediment or soil samples depth is measured from sediment or soil surface, respectively. Depth can be reported as an interval for subsurface samples
MIXS:0000096	barometric pressure	barometric_press	Force per unit area exerted against a surface by the weight of air above that surface
MIXS:0000097	carbon dioxide	carb_dioxide	Carbon dioxide (gas) amount or concentration at the time of sampling
MIXS:0000098	carbon monoxide	carb_monoxide	Carbon monoxide (gas) amount or concentration at the time of sampling
MIXS:0000100	humidity	humidity	Amount of water vapour in the air, at the time of sampling
MIXS:0000101	methane	methane	Methane (gas) amount or concentration at the time of sampling
MIXS:0000103	organism count	organism_count	Total cell count of any organism (or group of organisms) per gram, volume or area of sample, should include name of organism followed by count. The method that was used for the enumeration (e.g. qPCR, atp, mpn, etc.) Should also be provided. (example: total prokaryotes; 3.5e7 cells per ml; qpcr)
MIXS:0000104	oxygen	oxygen	Oxygen (gas) amount or concentration at the time of sampling
MIXS:0000107	pollutants	pollutants	Pollutant types and, amount or concentrations measured at the time of sampling; can report multiple pollutants by entering numeric values preceded by name of pollutant
MIXS:0000108	respirable particulate matter	resp_part_matter	Concentration of substances that remain suspended in the air, and comprise mixtures of organic and inorganic substances (PM10 and PM2.5); can report multiple PM's by entering numeric values preceded by name of PM
MIXS:0000109	sample salinity	samp_salinity	Salinity is the total concentration of all dissolved salts in a liquid or solid (in the form of an extract obtained by centrifugation) sample. While salinity can be measured by a complete chemical analysis, this method is difficult and time consuming. More often, it is instead derived from the conductivity measurement. This is known as practical salinity. These derivations compare the specific conductance of the sample to a salinity standard such as seawater
MIXS:0000110	sample storage temperature	samp_store_temp	Temperature at which sample was stored, e.g. -80 degree Celsius
MIXS:0000111	sample volume or weight for DNA extraction	samp_vol_we_dna_ext	Volume (ml), weight (g) of processed sample, or surface area swabbed from sample for DNA extraction
MIXS:0000112	solar irradiance	solar_irradiance	The amount of solar energy that arrives at a specific area of a surface during a specific time interval
MIXS:0000113	temperature	temp	Temperature of the sample at the time of sampling
MIXS:0000114	ventilation rate	ventilation_rate	Ventilation rate of the system in the sampled premises
MIXS:0000115	volatile organic compounds	volatile_org_comp	Concentration of carbon-based chemicals that easily evaporate at room temperature; can report multiple volatile organic compounds by entering numeric values preceded by name of compound
MIXS:0000116	sample storage duration	samp_store_dur	Duration for which the sample was stored
MIXS:0000118	wind speed	wind_speed	Speed of wind measured at the time of sampling
MIXS:0000119	dissolved oxygen	diss_oxygen	Concentration of dissolved oxygen
MIXS:0000137	glucosidase activity	glucosidase_act	Measurement of glucosidase activity
MIXS:0000162	dissolved organic nitrogen	diss_org_nitro	Dissolved organic nitrogen concentration measured as; total dissolved nitrogen - NH4 - NO3 - NO2
MIXS:0000172	aminopeptidase activity	aminopept_act	Measurement of aminopeptidase activity
MIXS:0000173	bacterial carbon production	bacteria_carb_prod	Measurement of bacterial carbon production
MIXS:0000174	biomass	biomass	Amount of biomass; should include the name for the part of biomass measured, e.g. Microbial, total. Can include multiple measurements
MIXS:0000175	bishomohopanol	bishomohopanol	Concentration of bishomohopanol
MIXS:0000176	bromide	bromide	Concentration of bromide
MIXS:0000177	chlorophyll	chlorophyll	Concentration of chlorophyll
MIXS:0000178	diether lipids	diether_lipids	Concentration of diether lipids; can include multiple types of diether lipids
MIXS:0000179	dissolved hydrogen	diss_hydrogen	Concentration of dissolved hydrogen
MIXS:0000180	phaeopigments	phaeopigments	Concentration of phaeopigments; can include multiple phaeopigments
MIXS:0000181	phospholipid fatty acid	phosplipid_fatt_acid	Concentration of phospholipid fatty acids; can include multiple values
MIXS:0000182	redox potential	redox_potential	Redox potential, measured relative to a hydrogen cell, indicating oxidation or reduction potential
MIXS:0000183	salinity	salinity	Salinity is the total concentration of all dissolved salts in a water sample. While salinity can be measured by a complete chemical analysis, this method is difficult and time consuming. More often, it is instead derived from the conductivity measurement. This is known as practical salinity. These derivations compare the specific conductance of the sample to a salinity standard such as seawater
MIXS:0000184	silicate	silicate	Concentration of silicate
MIXS:0000185	water content	water_content	Water content measurement
MIXS:0000191	turbidity	turbidity	Measure of the amount of cloudiness or haziness in water caused by individual particles
MIXS:0000203	water current	water_current	Measurement of magnitude and direction of flow within a fluid
MIXS:0000206	particle classification	particle_class	Particles are classified, based on their size, into six general categories:clay, silt, sand, gravel, cobbles, and boulders; should include amount of particle preceded by the name of the particle type; can include multiple values
MIXS:0000215	sewage type	sewage_type	Type of wastewater treatment plant as municipial or industrial
MIXS:0000247	ancestral data	ances_data	Information about either pedigree or other ancestral information description (e.g. parental variety in case of mutant or selection), e.g. A/3*B (meaning [(A x B) x B] x B)
MIXS:0000280	gastrointestinal tract disorder	gastrointest_disord	History of gastrointestinal tract disorders; can include multiple disorders
MIXS:0000283	nose/mouth/teeth/throat disorder	nose_mouth_teeth_throat_disord	History of nose/mouth/teeth/throat disorders; can include multiple disorders
MIXS:0000284	dermatology disorder	dermatology_disord	History of dermatology disorders; can include multiple disorders
MIXS:0000310	carbon/nitrogen ratio	carb_nitro_ratio	Ratio of amount or concentrations of carbon to nitrogen
MIXS:0000348	pre-treatment	pre_treatment	The process of pre-treatment removes materials that can be easily collected from the raw wastewater
MIXS:0000349	primary treatment	primary_treatment	The process to produce both a generally homogeneous liquid capable of being treated biologically and a sludge that can be separately treated or processed
MIXS:0000350	reactor type	reactor_type	Anaerobic digesters can be designed and engineered to operate using a number of different process configurations, as batch or continuous, mesophilic, high solid or low solid, and single stage or multistage
MIXS:0000351	secondary treatment	secondary_treatment	The process for substantially degrading the biological content of the sewage
MIXS:0000352	tertiary treatment	tertiary_treatment	The process providing a final treatment stage to raise the effluent quality before it is discharged to the receiving environment
MIXS:0000353	wastewater type	wastewater_type	The origin of wastewater such as human waste, rainfall, storm drains, etc.
MIXS:0000490	alkyl diethers	alkyl_diethers	Concentration of alkyl diethers
MIXS:0000498	mean friction velocity	mean_frict_vel	Measurement of mean friction velocity
MIXS:0000502	mean peak friction velocity	mean_peak_frict_vel	Measurement of mean peak friction velocity
MIXS:0000503	n-alkanes	n_alkanes	Concentration of n-alkanes; can include multiple n-alkanes
MIXS:0000504	nitrogen	nitro	Concentration of nitrogen (total)
MIXS:0000505	phosphate	phosphate	Concentration of phosphate
MIXS:0000508	organic carbon	org_carb	Concentration of organic carbon
MIXS:0000509	organic matter	org_matter	Concentration of organic matter
MIXS:0000514	organic nitrogen	org_nitro	Concentration of organic nitrogen
MIXS:0000515	particulate organic carbon	part_org_carb	Concentration of particulate organic carbon
MIXS:0000516	petroleum hydrocarbon	petroleum_hydrocarb	Concentration of petroleum hydrocarbon
MIXS:0000525	total carbon	tot_carb	Total carbon content
MIXS:0000530	total nitrogen content	tot_nitro_content	Total nitrogen content of the sample
MIXS:0000533	total organic carbon	tot_org_carb	Definition for soil: total organic carbon content of the soil, definition otherwise: total organic carbon content
MIXS:0000551	air temperature regimen	air_temp_regm	Information about treatment involving an exposure to varying temperatures; should include the temperature, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include different temperature regimens
MIXS:0000553	antibiotic regimen	antibiotic_regm	Information about treatment involving antibiotic administration; should include the name of antibiotic, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple antibiotic regimens
MIXS:0000555	chemical mutagen	chem_mutagen	Treatment involving use of mutagens; should include the name of mutagen, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple mutagen regimens
MIXS:0000556	fertilizer regimen	fertilizer_regm	Information about treatment involving the use of fertilizers; should include the name of fertilizer, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple fertilizer regimens
MIXS:0000557	fungicide regimen	fungicide_regm	Information about treatment involving use of fungicides; should include the name of fungicide, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple fungicide regimens
MIXS:0000558	gaseous environment	gaseous_environment	Use of conditions with differing gaseous environments; should include the name of gaseous compound, amount administered, treatment duration, interval and total experimental duration; can include multiple gaseous environment regimens
MIXS:0000559	gravity	gravity	Information about treatment involving use of gravity factor to study various types of responses in presence, absence or modified levels of gravity; treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple treatments
MIXS:0000560	growth hormone regimen	growth_hormone_regm	Information about treatment involving use of growth hormones; should include the name of growth hormone, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple growth hormone regimens
MIXS:0000561	herbicide regimen	herbicide_regm	Information about treatment involving use of herbicides; information about treatment involving use of growth hormones; should include the name of herbicide, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimens
MIXS:0000567	host wet mass	host_wet_mass	Measurement of wet mass
MIXS:0000568	humidity regimen	humidity_regm	Information about treatment involving an exposure to varying degree of humidity; information about treatment involving use of growth hormones; should include amount of humidity administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimens
MIXS:0000569	light regimen	light_regm	Information about treatment(s) involving exposure to light, including both light intensity and quality.
MIXS:0000570	mineral nutrient regimen	mineral_nutr_regm	Information about treatment involving the use of mineral supplements; should include the name of mineral nutrient, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple mineral nutrient regimens
MIXS:0000571	non-mineral nutrient regimen	non_mineral_nutr_regm	Information about treatment involving the exposure of plant to non-mineral nutrient such as oxygen, hydrogen or carbon; should include the name of non-mineral nutrient, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple non-mineral nutrient regimens
MIXS:0000573	pesticide regimen	pesticide_regm	Information about treatment involving use of insecticides; should include the name of pesticide, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple pesticide regimens
MIXS:0000575	radiation regimen	radiation_regm	Information about treatment involving exposure of plant or a plant part to a particular radiation regimen; should include the radiation type, amount or intensity administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple radiation regimens
MIXS:0000576	rainfall regimen	rainfall_regm	Information about treatment involving an exposure to a given amount of rainfall, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimens
MIXS:0000577	rooting medium carbon	root_med_carbon	Source of organic carbon in the culture rooting medium; e.g. sucrose.
MIXS:0000578	rooting medium macronutrients	root_med_macronutr	Measurement of the culture rooting medium macronutrients (N,P, K, Ca, Mg, S); e.g. KH2PO4 (170¬†mg/L).
MIXS:0000579	rooting medium micronutrients	root_med_micronutr	Measurement of the culture rooting medium micronutrients (Fe, Mn, Zn, B, Cu, Mo); e.g. H3BO3 (6.2¬†mg/L).
MIXS:0000580	rooting medium organic supplements	root_med_suppl	Organic supplements of the culture rooting medium, such as vitamins, amino acids, organic acids, antibiotics activated charcoal; e.g. nicotinic acid (0.5¬†mg/L).
MIXS:0000581	rooting medium regulators	root_med_regl	Growth regulators in the culture rooting medium such as cytokinins, auxins, gybberellins, abscisic acid; e.g. 0.5¬†mg/L NAA.
MIXS:0000582	salt regimen	salt_regm	Information about treatment involving use of salts as supplement to liquid and soil growth media; should include the name of salt, amount administered, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple salt regimens
MIXS:0000590	water temperature regimen	water_temp_regm	Information about treatment involving an exposure to water with varying degree of temperature, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimens
MIXS:0000591	watering regimen	watering_regm	Information about treatment involving an exposure to watering frequencies, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimens
MIXS:0000634	total depth of water column	tot_depth_water_col	Measurement of total depth of water column
MIXS:0000653	biochemical oxygen demand	biochem_oxygen_dem	Amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period
MIXS:0000656	chemical oxygen demand	chem_oxygen_dem	A measure of the capacity of water to consume oxygen during the decomposition of organic matter and the oxidation of inorganic chemicals such as ammonia and nitrite
MIXS:0000657	efficiency percent	efficiency_percent	Percentage of volatile solids removed from the anaerobic digestor
MIXS:0000660	emulsions	emulsions	Amount or concentration of substances such as paints, adhesives, mayonnaise, hair colorants, emulsified oils, etc.; can include multiple emulsion types
MIXS:0000661	gaseous substances	gaseous_substances	Amount or concentration of substances such as hydrogen sulfide, carbon dioxide, methane, etc.; can include multiple substances
MIXS:0000662	industrial effluent percent	indust_eff_percent	Percentage of industrial effluents received by wastewater treatment plant
MIXS:0000664	inorganic particles	inorg_particles	Concentration of particles such as sand, grit, metal particles, ceramics, etc.; can include multiple particles
MIXS:0000665	organic particles	org_particles	Concentration of particles such as faeces, hairs, food, vomit, paper fibers, plant material, humus, etc.
MIXS:0000669	sludge retention time	sludge_retent_time	The time activated sludge remains in reactor
MIXS:0000672	soluble inorganic material	soluble_inorg_mat	Concentration of substances such as ammonia, road-salt, sea-salt, cyanide, hydrogen sulfide, thiocyanates, thiosulfates, etc.
MIXS:0000673	soluble organic material	soluble_org_mat	Concentration of substances such as urea, fruit sugars, soluble proteins, drugs, pharmaceuticals, etc.
MIXS:0000683	bacterial production	bac_prod	Bacterial production in the water column measured by isotope uptake
MIXS:0000684	bacterial respiration	bac_resp	Measurement of bacterial respiration in the water column
MIXS:0000689	total phosphate	tot_phosphate	Total amount or concentration of phosphate
MIXS:0000692	conductivity	conduc	Electrical conductivity of water
MIXS:0000698	dissolved inorganic nitrogen	diss_inorg_nitro	Concentration of dissolved inorganic nitrogen
MIXS:0000703	downward PAR	down_par	Visible waveband radiance and irradiance measurements in the water column
MIXS:0000704	fluorescence	fluor	Raw or converted fluorescence of water
MIXS:0000706	light intensity	light_intensity	Measurement of light intensity
MIXS:0000719	particulate organic nitrogen	part_org_nitro	Concentration of particulate organic nitrogen
MIXS:0000725	photon flux	photon_flux	Measurement of photon flux
MIXS:0000728	primary production	primary_prod	Measurement of primary production, generally measured as isotope uptake
MIXS:0000735	size-fraction lower threshold	size_frac_low	Refers to the mesh/pore size used to pre-filter/pre-sort the sample. Materials larger than the size threshold are excluded from the sample
MIXS:0000736	size-fraction upper threshold	size_frac_up	Refers to the mesh/pore size used to retain the sample. Materials smaller than the size threshold are excluded from the sample
MIXS:0000738	soluble reactive phosphorus	soluble_react_phosp	Concentration of soluble reactive phosphorus
MIXS:0000741	suspended particulate matter	suspend_part_matter	Concentration of suspended particulate matter
MIXS:0000744	total dissolved nitrogen	tot_diss_nitro	Total dissolved nitrogen concentration, reported as nitrogen, measured by: total dissolved nitrogen = NH4 + NO3NO2 + dissolved organic nitrogen
MIXS:0000745	total inorganic nitrogen	tot_inorg_nitro	Total inorganic nitrogen content
MIXS:0000747	total particulate carbon	tot_part_carb	Total particulate carbon content
MIXS:0000751	chemical administration	chem_administration	List of chemical compounds administered to the host or site where sampling occurred, and when (e.g. Antibiotics, n fertilizer, air filter); can include multiple compounds. For chemical entities of biological interest ontology (chebi) (v 163), http://purl.bioontology.org/ontology/chebi
MIXS:0000752	miscellaneous parameter	misc_param	Any other measurement performed or parameter collected, that is not listed here
MIXS:0000753	oxygenation status of sample	oxy_stat_samp	Oxygenation status of sample
MIXS:0000754	perturbation	perturbation	Type of perturbation, e.g. chemical administration, physical disturbance, etc., coupled with perturbation regimen including how many times the perturbation was repeated, how long each perturbation lasted, and the start and end time of the entire perturbation period; can include multiple perturbation types
MIXS:0000755	sample storage location	samp_store_loc	Location at which sample was stored, usually name of a specific freezer/room
MIXS:0000756	ventilation type	ventilation_type	Ventilation system used in the sampled premises
MIXS:0000757	wind direction	wind_direction	Wind direction is the direction from which a wind originates
MIXS:0000758	surface material	surf_material	Surface materials at the point of sampling
MIXS:0000965	menarche	menarche	Date of most recent menstruation
MIXS:0000988	hydrocarbon resource type	hcr	Main Hydrocarbon Resource type. The term "Hydrocarbon Resource" HCR defined as a natural environmental feature containing large amounts of hydrocarbons at high concentrations potentially suitable for commercial exploitation. This term should not be confused with the Hydrocarbon Occurrence term which also includes hydrocarbon-rich environments with currently limited commercial interest such as seeps, outcrops, gas hydrates etc. If "other" is specified, please propose entry in "additional info" field
MIXS:0001038	biotic regimen	biotic_regm	Information about treatment(s) involving use of biotic factors, such as bacteria, viruses or fungi.
MIXS:0001040	climate environment	climate_environment	Treatment involving an exposure to a particular climate; treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple climates
MIXS:0001041	culture rooting medium	cult_root_med	Name or reference for the hydroponic or in vitro culture rooting medium; can be the name of a commonly used medium or reference to a specific medium, e.g. Murashige and Skoog medium. If the medium has not been formally published, use the rooting medium descriptors.
MIXS:0001043	growth facility	growth_facil	Type of facility where the sampled plant was grown; controlled vocabulary: growth chamber, open top chamber, glasshouse, experimental garden, field. Alternatively use Crop Ontology (CO) terms, see http://www.cropontology.org/ontology/CO_715/Crop%20Research
MIXS:0001044	growth habit	growth_habit	Characteristic shape, appearance or growth form of a plant species
MIXS:0001052	mechanical damage	mechanical_damage	Information about any mechanical damage exerted on the plant; can include multiple damages and sites
MIXS:0001056	pH regimen	ph_regm	Information about treatment involving exposure of plants to varying levels of ph of the growth media, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimen
MIXS:0001057	plant growth medium	plant_growth_med	Specification of the media for growing the plants or tissue cultured samples, e.g. soil, aeroponic, hydroponic, in vitro solid culture medium, in vitro liquid culture medium. Recommended value is a specific value from EO:plant growth medium (follow this link for terms http://purl.obolibrary.org/obo/EO_0007147) or other controlled vocabulary
MIXS:0001058	plant product	plant_product	Substance produced by the plant, where the sample was obtained from
MIXS:0001059	plant sex	plant_sex	Sex of the reproductive parts on the whole plant, e.g. pistillate, staminate, monoecieous, hermaphrodite.
MIXS:0001060	plant structure	plant_struc	Name of plant structure the sample was obtained from; for Plant Ontology (PO) (v releases/2017-12-14) terms, see http://purl.bioontology.org/ontology/PO, e.g. petiole epidermis (PO_0000051). If an individual flower is sampled, the sex of it can be recorded here.
MIXS:0001061	rooting conditions	root_cond	Relevant rooting conditions such as field plot size, sowing density, container dimensions, number of plants per container.
MIXS:0001062	rooting medium pH	root_med_ph	pH measurement of the culture rooting medium; e.g. 5.5.
MIXS:0001063	rooting medium solidifier	root_med_solid	Specification of the solidifying agent in the culture rooting medium; e.g. agar.
MIXS:0001068	seasonal environment	season_environment	Treatment involving an exposure to a particular season (e.g. Winter, summer, rabi, rainy etc.), treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment
MIXS:0001069	standing water regimen	standing_water_regm	Treatment involving an exposure to standing water during a plant's life span, types can be flood water or standing water, treatment regimen including how many times the treatment was repeated, how long each treatment lasted, and the start and end time of the entire treatment; can include multiple regimens
MIXS:0001070	tissue culture growth media	tiss_cult_growth_med	Description of plant tissue culture growth media used
MIXS:0001078	sediment type	sediment_type	Information about the sediment type based on major constituents
MIXS:0001079	tidal stage	tidal_stage	Stage of tide
MIXS:0001080	current land use	cur_land_use	Present state of sample site
MIXS:0001097	atmospheric data	atmospheric_data	Measurement of atmospheric data; can include multiple data
MIXS:0000282	liver disorder	liver_disord	History of liver disorders; can include multiple disorders
MIXS:0000285	sexual activity	sexual_act	Current sexual partner and frequency of sex
MIXS:0000312	current vegetation	cur_vegetation	Vegetation classification from one or more standard classification systems, or agricultural crop
MIXS:0000759	surface-air contaminant	surf_air_cont	Contaminant identified on surface
MIXS:0000858	biological status	biol_stat	The level of genome modification
MIXS:0000924	time since last toothbrushing	time_last_toothbrush	Specification of the time since last toothbrushing
MIXS:0000943	time since last wash	time_since_last_wash	Specification of the time since last wash
MIXS:0000989	hydrocarbon type produced	hc_produced	Main hydrocarbon type produced from resource (i.e. Oil, gas, condensate, etc). If other is specified, please propose entry in additional info field
MIXS:0000121	relative air humidity	rel_air_humidity	Partial vapor and air pressure, density of the vapor and air, or by the actual mass of the vapor and air
MIXS:0000290	basin name	basin	Name of the basin (e.g. Campos)
MIXS:0000314	current vegetation method	cur_vegetation_meth	Reference or method used in vegetation classification
MIXS:0000859	genetic modification	genetic_mod	Genetic modifications of the genome of an organism, which may occur naturally by spontaneous mutation, or be introduced by some experimental means, e.g. specification of a transgene or the gene knocked-out or details of transient transfection
MIXS:0000905	special diet	special_diet	Specification of special diet; can include multiple special diets
MIXS:0000944	dominant hand	dominant_hand	Dominant hand of the subject
MIXS:0000966	pregnancy	pregnancy	Date due of pregnancy
MIXS:0000122	absolute air humidity	abs_air_humidity	Actual mass of water vapor - mh20 - present in the air water vapor mixture
MIXS:0000248	host common name	host_common_name	Common name of the host, e.g. Human
MIXS:0000291	field name	field	Name of the hydrocarbon field (e.g. Albacora)
MIXS:0000315	history/previous land use	previous_land_use	Previous land use and dates
MIXS:0000967	douche	douche	Date of most recent douche
MIXS:0000123	surface humidity	surf_humidity	Surfaces: water activity as a function of air and material moisture
MIXS:0000286	birth control	birth_control	Specification of birth control medication used
MIXS:0000316	history/previous land use method	previous_land_use_meth	Reference or method used in determining previous land use and dates
MIXS:0000554	reservoir name	reservoir	Name of the reservoir (e.g. Carapebus)
MIXS:0000860	sample capture status	samp_capt_status	Reason for the sample
MIXS:0000884	IHMC medication code	ihmc_medication_code	Can include multiple medication codes
MIXS:0000124	air temperature	air_temp	Temperature of the air at the time of sampling
MIXS:0000249	sample disease stage	samp_dis_stage	Stage of the disease at the time of sample collection, e.g. inoculation, penetration, infection, growth and reproduction, dissemination of pathogen.
MIXS:0000318	history/crop rotation	crop_rotation	Whether or not crop is rotated, and if yes, rotation schedule
MIXS:0000393	hydrocarbon resource original temperature	hcr_temp	Original temperature of the hydrocarbon resource
MIXS:0000968	menopause	menopause	Date of onset of menopause
MIXS:0000125	surface temperature	surf_temp	Temperature of the surface at the time of sampling
MIXS:0000250	host taxid	host_taxid	NCBI taxon id of the host, e.g. 9606
MIXS:0000394	depth (TVDSS) of hydrocarbon resource temperature	tvdss_of_hcr_temp	True vertical depth subsea (TVDSS) of the hydrocarbon resource where the original temperature was measured (e.g. 1345 m)
MIXS:0000639	history/agrochemical additions	agrochem_addition	Addition of fertilizers, pesticides, etc. - amount and time of applications
MIXS:0000969	HRT	hrt	Whether subject had hormone replacement theraphy, and if yes start date
MIXS:0000287	hysterectomy	hysterectomy	Specification of whether hysterectomy was performed
MIXS:0000395	hydrocarbon resource original pressure	hcr_pressure	Original pressure of the hydrocarbon resource
MIXS:0000760	surface moisture pH	surf_moisture_ph	ph measurement of surface
MIXS:0000861	host subject id	host_subject_id	A unique identifier by which each subject can be referred to, de-identified, e.g. #131
MIXS:0001081	history/tillage	tillage	Note method(s) used for tilling
MIXS:0000255	host age	host_age	Age of host at the time of sampling; relevant scale depends on species and study, e.g. Could be seconds for amoebae or centuries for trees
MIXS:0000288	gynecological disorder	gynecologic_disord	History of gynecological disorders; can include multiple disorders
MIXS:0000397	depth (TVDSS) of hydrocarbon resource pressure	tvdss_of_hcr_pressure	True vertical depth subsea (TVDSS) of the hydrocarbon resource where the original pressure was measured (e.g. 1578 m )
MIXS:0000761	building occupancy type	build_occup_type	The primary function for which a building or discrete part of a building is intended to be used
MIXS:0001086	history/fire	fire	Historical and/or physical evidence of fire
MIXS:0000128	surface moisture	surf_moisture	Water held on a surface
MIXS:0000251	host life stage	host_life_stage	Description of life stage of host
MIXS:0000289	urogenital disorder	urogenit_disord	History of urogenital disorders, can include multiple disorders
MIXS:0000319	history/flooding	flooding	Historical and/or physical evidence of flooding
MIXS:0000404	permeability	permeability	Measure of the ability of a hydrocarbon resource to allow fluids to pass through it. (Additional information: https://en.wikipedia.org/wiki/Permeability_(earth_sciences))
MIXS:0000129	dew point	dew_point	The temperature to which a given parcel of humid air must be cooled, at constant barometric pressure, for water vapor to condense into water.
MIXS:0000320	history/extreme events	extreme_event	Unusual physical events that may have affected microbial populations
MIXS:0000403	porosity	porosity	Porosity of deposited sediment is volume of voids divided by the total volume of sample
MIXS:0000862	host sex	host_sex	Physical sex of the host
MIXS:0000864	host disease status	host_disease_stat	List of diseases with which the host has been diagnosed; can include multiple diagnoses. The value of the field depends on host; for humans the terms should be chosen from do (disease ontology) at http://www.disease-ontology.org, other hosts are free text
MIXS:0000990	lithology	lithology	Hydrocarbon resource main lithology (Additional information: http://petrowiki.org/Lithology_and_rock_type_determination). If "other" is specified, please propose entry in "additional info" field
MIXS:0001082	horizon	horizon	Specific layer in the land area which measures parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath
MIXS:0000321	horizon method	horizon_meth	Reference or method used in determining the horizon
MIXS:0000992	depositional environment	depos_env	Main depositional environment (https://en.wikipedia.org/wiki/Depositional_environment). If "other" is specified, please propose entry in "additional info" field
MIXS:0000866	host body habitat	host_body_habitat	Original body habitat where the sample was obtained from
MIXS:0000993	hydrocarbon resource geological age	hcr_geol_age	Geological age of hydrocarbon resource (Additional info: https://en.wikipedia.org/wiki/Period_(geology)). If "other" is specified, please propose entry in "additional info" field
MIXS:0000405	oil water contact depth	owc_tvdss	Depth of the original oil water contact (OWC) zone (average) (m TVDSS)
MIXS:0000763	indoor space	indoor_space	A distinguishable space within a structure, the purpose for which discrete areas of a building is used
MIXS:0000867	host body site	host_body_site	Name of body site where the sample was obtained from, such as a specific organ or tissue (tongue, lung etc...). For foundational model of anatomy ontology (fma) (v 4.11.0) or Uber-anatomy ontology (UBERON) (v releases/2014-06-15) terms, please see http://purl.bioontology.org/ontology/FMA or http://purl.bioontology.org/ontology/UBERON
MIXS:0000323	water content method	water_content_soil_meth	Reference or method used in determining the water content of soil
MIXS:0000406	formation water salinity	hcr_fw_salinity	Original formation water salinity (prior to secondary recovery e.g. Waterflooding) expressed as TDS
MIXS:0000764	indoor surface	indoor_surf	Type of indoor surface
MIXS:0000868	host body product	host_body_product	Substance produced by the body, e.g. Stool, mucus, where the sample was obtained from. For foundational model of anatomy ontology (fma) or Uber-anatomy ontology (UBERON) terms, please see https://www.ebi.ac.uk/ols/ontologies/fma or https://www.ebi.ac.uk/ols/ontologies/uberon
MIXS:0000262	smoker	smoker	Specification of smoking status
MIXS:0000263	host total mass	host_tot_mass	Total mass of the host at collection, the unit depends on host
MIXS:0000407	sulfate in formation water	sulfate_fw	Original sulfate concentration in the hydrocarbon resource
MIXS:0000765	filter type	filter_type	A device which removes solid particulates or airborne molecular contaminants
MIXS:0000264	host height	host_height	The height of subject
MIXS:0000265	host HIV status	host_hiv_stat	HIV status of subject, if yes HAART initiation status should also be indicated as [YES or NO]
MIXS:0000325	pooling of DNA extracts (if done)	pool_dna_extracts	Indicate whether multiple DNA extractions were mixed. If the answer yes, the number of extracts that were pooled should be given
MIXS:0000408	vfa in formation water	vfa_fw	Original volatile fatty acid concentration in the hydrocarbon resource
MIXS:0000766	heating and cooling system type	heat_cool_type	Methods of conditioning or heating a room or building
MIXS:0000256	host length	host_length	The length of subject
MIXS:0000327	storage conditions (fresh/frozen/other)	store_cond	Explain how and for how long the soil sample was stored before DNA extraction
MIXS:0000767	substructure type	substructure_type	The substructure or under building is that largely hidden section of the building which is built off the foundations to the ground floor level
MIXS:0000894	drug usage	drug_usage	Any drug used by subject and the frequency of usage; can include multiple drugs used
MIXS:0000994	source rock kerogen type	sr_kerog_type	Origin of kerogen. Type I: Algal (aquatic), Type II: planktonic and soft plant material (aquatic or terrestrial), Type III: terrestrial woody/ fibrous plant material (terrestrial), Type IV: oxidized recycled woody debris (terrestrial) (additional information: https://en.wikipedia.org/wiki/Kerogen). If "other" is specified, please propose entry in "additional info" field
MIXS:0000317	host body-mass index	host_body_mass_index	Body mass index, calculated as weight/(height)squared
MIXS:0000328	link to climate information	link_climate_info	Link to climate resource
MIXS:0000768	building setting	building_setting	A location (geography) where a building is set
MIXS:0000869	host diet	host_diet	Type of diet depending on the host, for animals omnivore, herbivore etc., for humans high-fat, meditteranean etc.; can include multiple diet types
MIXS:0000995	source rock lithology	sr_lithology	Lithology of source rock (https://en.wikipedia.org/wiki/Source_rock). If "other" is specified, please propose entry in "additional info" field
MIXS:0000266	major diet change in last six months	diet_last_six_month	Specification of major diet changes in the last six months, if yes the change should be specified
MIXS:0000642	mean annual temperature	annual_temp	Mean annual temperature
MIXS:0000769	light type	light_type	Application of light to achieve some practical or aesthetic effect. Lighting includes the use of both artificial light sources such as lamps and light fixtures, as well as natural illumination by capturing daylight. Can also include absence of light
MIXS:0000870	host last meal	host_last_meal	Content of last meal and time since feeding; can include multiple values
MIXS:0000996	source rock depositional environment	sr_dep_env	Source rock depositional environment (https://en.wikipedia.org/wiki/Source_rock). If "other" is specified, please propose entry in "additional info" field
MIXS:0000216	sample size sorting method	samp_sort_meth	Method by which samples are sorted; open face filter collecting total suspended particles, prefilter to remove particles larger than X micrometers in diameter, where common values of X would be 10 and 2.5 full size sorting in a cascade impactor.
MIXS:0000295	weight loss in last three months	weight_loss_3_month	Specification of weight loss in the last three months, if yes should be further specified to include amount of weight loss
MIXS:0000643	mean seasonal temperature	season_temp	Mean seasonal temperature
MIXS:0000871	host growth conditions	host_growth_cond	Literature reference giving growth conditions of the host
MIXS:0000997	source rock geological age	sr_geol_age	Geological age of source rock (Additional info: https://en.wikipedia.org/wiki/Period_(geology)). If "other" is specified, please propose entry in "additional info" field
MIXS:0000252	host substrate	host_substrate	The growth substrate of the host
MIXS:0000644	mean annual precipitation	annual_precpt	The average of all annual precipitation values known, or an estimated equivalent value derived by such methods as regional indexes or Isohyetal maps.
MIXS:0000770	space typical state	space_typ_state	Customary or normal state of the space
MIXS:0000895	IHMC ethnicity	ihmc_ethnicity	Ethnicity of the subject
MIXS:0001008	production start date	prod_start_date	Date of field's first production
MIXS:0000452	production rate	prod_rate	Oil and/or gas production rates per well (e.g. 524 m3 / day)
MIXS:0000645	mean seasonal precipitation	season_precpt	The average of all seasonal precipitation values known, or an estimated equivalent value derived by such methods as regional indexes or Isohyetal maps.
MIXS:0000771	typical occupant density	typ_occup_density	Customary or normal density of occupants
MIXS:0000872	host family relationship	host_family_relationship	Relationships to other hosts in the same study; can include multiple relationships
MIXS:0000896	host occupation	host_occupation	Most frequent job performed by subject
MIXS:0000253	host infra-specific name	host_infra_specific_name	Taxonomic information about the host below subspecies level
MIXS:0000267	presence of pets or farm animals	pet_farm_animal	Specification of presence of pets or farm animals in the environment of subject, if yes the animals should be specified; can include multiple animals present
MIXS:0000329	link to classification information	link_class_info	Link to digitized soil maps or other soil classification information
MIXS:0000453	water production rate	water_production_rate	Water production rates per well (e.g. 987 m3 / day)
MIXS:0000772	occupancy at sampling	occup_samp	Number of occupants present at time of sample within the given space
MIXS:0000217	occupant density at sampling	occup_density_samp	Average number of occupants at time of sampling per square footage
MIXS:0000254	host infra-specific rank	host_infra_specific_rank	Taxonomic rank information about the host below subspecies level, such as variety, form, rank etc.
MIXS:0000268	travel outside the country in last six months	travel_out_six_month	Specification of the countries travelled in the last six months; can include multiple travels
MIXS:0000454	water cut	water_cut	Current amount of water (%) in a produced fluid stream; or the average of the combined streams
MIXS:0001083	soil_taxonomic/FAO classification	fao_class	Soil classification from the FAO World Reference Database for Soil Resources. The list can be found at http://www.fao.org/nr/land/sols/soil/wrb-soil-maps/reference-groups
MIXS:0000218	address	address	The street name and building number where the sampling occurred.
MIXS:0000326	twin sibling presence	twin_sibling	Specification of twin sibling presence
MIXS:0000330	soil_taxonomic/local classification	local_class	Soil classification based on local soil classification system
MIXS:0000455	injection water fraction	iwf	Proportion of the produced fluids derived from injected water at the time of sampling. (e.g. 87%)
MIXS:0000873	host genotype	host_genotype	Observed genotype
MIXS:0000219	adjacent rooms	adj_room	List of rooms (room number, room name) immediately adjacent to the sampling room
MIXS:0000331	soil_taxonomic/local classification method	local_class_meth	Reference or method used in determining the local soil classification
MIXS:0000874	host phenotype	host_phenotype	Phenotype of human or other host. For phenotypic quality ontology (pato) (v 2018-03-27) terms, please see http://purl.bioontology.org/ontology/pato. For Human Phenotype Ontology (HP) (v 2018-06-13) please see http://purl.bioontology.org/ontology/HP
MIXS:0000897	medical history performed	medic_hist_perform	Whether full medical history was collected
MIXS:0001009	secondary and tertiary recovery methods and start date	add_recov_method	Additional (i.e. Secondary, tertiary, etc.) recovery methods deployed for increase of hydrocarbon recovery from resource and start date for each one of them. If "other" is specified, please propose entry in "additional info" field
MIXS:0000274	host body temperature	host_body_temp	Core body temperature of the host when sample was collected
MIXS:0000332	soil type	soil_type	Soil series name or other lower-level classification
MIXS:0000773	aerospace structure	aero_struc	Aerospace structures typically consist of thin plates with stiffeners for the external surfaces, bulkheads and frames to support the shape and fasteners such as welds, rivets, screws and bolts to hold the components together
MIXS:0000898	study completion status	study_complt_stat	Specification of study completion status, if no the reason should be specified
MIXS:0001010	injection water breakthrough date of specific well	iw_bt_date_well	Injection water breakthrough date per well following a secondary and/or tertiary recovery
MIXS:0000140	amount of light	amount_light	The unit of illuminance and luminous emittance, measuring luminous flux per unit area
MIXS:0000257	host dry mass	host_dry_mass	Measurement of dry mass
MIXS:0000269	lung/pulmonary disorder	pulmonary_disord	History of pulmonary disorders; can include multiple disorders
MIXS:0000334	soil type method	soil_type_meth	Reference or method used in determining soil series name or other lower-level classification
MIXS:0001011	biocide administration	biocide	List of biocides (commercial name of product and supplier) and date of administration
MIXS:0000258	host blood pressure diastolic	host_blood_press_diast	Resting diastolic blood pressure, measured as mm mercury
MIXS:0000270	lung/nose-throat disorder	nose_throat_disord	History of nose-throat disorders; can include multiple disorders
MIXS:0000456	biocide administration method	biocide_admin_method	Method of biocide administration (dose, frequency, duration, time elapsed between last biociding and sampling) (e.g. 150 mg/l; weekly; 4 hr; 3 days)
MIXS:0000646	slope gradient	slope_gradient	Commonly called 'slope'. The angle between ground surface and a horizontal line (in percent). This is the direction that overland water would flow. This measure is usually taken with a hand level meter or clinometer
MIXS:0000774	architectural structure	arch_struc	An architectural structure is a human-made, free-standing, immobile outdoor construction
MIXS:0000259	host blood pressure systolic	host_blood_press_syst	Resting systolic blood pressure, measured as mm mercury
MIXS:0000271	blood/blood disorder	blood_blood_disord	History of blood disorders; can include multiple disorders
MIXS:0000647	slope aspect	slope_aspect	The direction a slope faces. While looking down a slope use a compass to record the direction you are facing (direction or degrees); e.g., nw or 315 degrees. This measure provides an indication of sun and wind exposure that will influence soil temperature and evapotranspiration.
MIXS:0000775	average daily occupancy	avg_occup	Daily average occupancy of room
MIXS:0001012	chemical treatment	chem_treatment	List of chemical compounds administered upstream the sampling location where sampling occurred (e.g. Glycols, H2S scavenger, corrosion and scale inhibitors, demulsifiers, and other production chemicals etc.). The commercial name of the product and name of the supplier should be provided. The date of administration should also be included
MIXS:0000141	average dew point	avg_dew_point	The average of dew point measures taken at the beginning of every hour over a 24 hour period on the sampling day
MIXS:0000260	host color	host_color	The color of host
MIXS:0000457	chemical treatment method	chem_treatment_method	Method of chemical administration(dose, frequency, duration, time elapsed between administration and sampling) (e.g. 50 mg/l; twice a week; 1 hr; 0 days)
MIXS:0001084	profile position	profile_position	Cross-sectional position in the hillslope where sample was collected.sample area position in relation to surrounding areas
MIXS:0000136	corrosion rate at sample location	samp_loc_corr_rate	Metal corrosion rate is the speed of metal deterioration due to environmental conditions. As environmental conditions change corrosion rates change accordingly. Therefore, long term corrosion rates are generally more informative than short term rates and for that reason they are preferred during reporting. In the case of suspected MIC, corrosion rate measurements at the time of sampling might provide insights into the involvement of certain microbial community members in MIC as well as potential microbial interplays
MIXS:0000142	average temperature	avg_temp	The average of temperatures taken at the beginning of every hour over a 24 hour period on the sampling day
MIXS:0000261	host shape	host_shape	Morphological shape of host
MIXS:0001085	drainage classification	drainage_class	Drainage classification from a standard system such as the USDA system
MIXS:0000296	sample well name	samp_well_name	Name of the well (e.g. BXA1123) where sample was taken
MIXS:0000333	host pulse	host_pulse	Resting pulse, measured as beats per minute
MIXS:0000335	texture	texture	The relative proportion of different grain sizes of mineral particles in a soil, as described using a standard system; express as % sand (50 um to 2 mm), silt (2 um to 50 um), and clay (<2 um) with textural name (e.g., silty clay loam) optional.
MIXS:0000776	bathroom count	bathroom_count	The number of bathrooms in the building
MIXS:0000875	gravidity	gravidity	Whether or not subject is gravid, and if yes date due or date post-conception, specifying which is used
MIXS:0000272	amniotic fluid/gestation state	gestation_state	Specification of the gestation state
MIXS:0000297	well identification number	win	A unique identifier of a well or wellbore. This is part of the Global Framework for Well Identification initiative which is compiled by the Professional Petroleum Data Management Association (PPDM) in an effort to improve well identification systems. (Supporting information: https://ppdm.org/ and http://dl.ppdm.org/dl/690)
MIXS:0000336	texture method	texture_meth	Reference or method used in determining soil texture
MIXS:0000777	bedroom count	bedroom_count	The number of bedrooms in the building
MIXS:0000145	built structure age	built_struc_age	The age of the built structure since construction
MIXS:0000273	amniotic fluid/maternal health status	maternal_health_stat	Specification of the maternal health status
MIXS:0000998	sample type	samp_type	Type of material (i.e. sample) collected. Includes types like core, rock trimmings, drill cuttings, piping section, coupon, pigging debris, solid deposit, produced fluid, produced water, injected water, swabs, etc. If "other" is specified, please propose entry in "additional info" field
MIXS:0000275	amniotic fluid/foetal health status	foetal_health_stat	Specification of foetal health status, should also include abortion
MIXS:0000778	built structure setting	built_struc_set	The characterization of the location of the built structure as high or low human density
MIXS:0000999	sample subtype	samp_subtype	Name of sample sub-type. For example if "sample type" is "Produced Water" then subtype could be "Oil Phase" or "Water Phase". If "other" is specified, please propose entry in "additional info" field
MIXS:0001106	pH method	ph_meth	Reference or method used in determining ph
MIXS:0000276	amniotic fluid/color	amniotic_fluid_color	Specification of the color of the amniotic fluid sample
MIXS:0000721	built structure type	built_struc_type	A physical structure that is a body or assemblage of bodies in space to form a system capable of supporting loads
MIXS:0001015	sample collection point	samp_collection_point	Sampling point on the asset were sample was collected (e.g. Wellhead, storage tank, separator, etc). If "other" is specified, please propose entry in "additional info" field
MIXS:0000148	ceiling area	ceil_area	The area of the ceiling space within the room
MIXS:0000277	urine/kidney disorder	kidney_disord	History of kidney disorders; can include multiple disorders
MIXS:0000337	total organic carbon method	tot_org_c_meth	Reference or method used in determining total organic carbon
MIXS:0000278	urine/urogenital tract disorder	urogenit_tract_disor	History of urogenitaltract disorders; can include multiple disorders
MIXS:0000412	pressure	pressure	Pressure to which the sample is subject to, in atmospheres
MIXS:0000779	ceiling condition	ceil_cond	The physical condition of the ceiling at the time of sampling; photos or video preferred; use drawings to indicate location of damaged areas
MIXS:0000338	total nitrogen content method	tot_nitro_content_meth	Reference or method used in determining the total nitrogen
MIXS:0000409	sample true vertical depth subsea	samp_tvdss	Depth of the sample i.e. The vertical distance between the sea level and the sampled position in the subsurface. Depth can be reported as an interval for subsurface samples e.g. 1325.75-1362.25 m
MIXS:0000780	ceiling finish material	ceil_finish_mat	The type of material used to finish a ceiling
MIXS:0000413	sample measured depth	samp_md	In non deviated well, measured depth is equal to the true vertical depth, TVD (TVD=TVDSS plus the reference or datum it refers to). In deviated wells, the MD is the length of trajectory of the borehole measured from the same reference or datum. Common datums used are ground level (GL), drilling rig floor (DF), rotary table (RT), kelly bushing (KB) and mean sea level (MSL). If "other" is specified, please propose entry in "additional info" field
MIXS:0000650	microbial biomass	microbial_biomass	The part of the organic matter in the soil that constitutes living microorganisms smaller than 5-10 micrometer. If you keep this, you would need to have correction factors used for conversion to the final units
MIXS:0000781	ceiling signs of water/mold	ceil_water_mold	Signs of the presence of mold or mildew on the ceiling
MIXS:0000899	urine/collection method	urine_collect_meth	Specification of urine collection method
MIXS:0000339	microbial biomass method	microbial_biomass_meth	Reference or method used in determining microbial biomass
MIXS:0000782	ceiling structure	ceil_struc	The construction format of the ceiling
MIXS:0000340	links to additional analysis	link_addit_analys	Link to additional analysis results performed on the sample
MIXS:0000783	ceiling texture	ceil_texture	The feel, appearance, or consistency of a ceiling surface
MIXS:0000143	ceiling thermal mass	ceil_thermal_mass	The ability of the ceiling to provide inertia against temperature fluctuations. Generally this means concrete that is exposed. A metal deck that supports a concrete slab will act thermally as long as it is exposed to room air flow
MIXS:0000463	preservative added to sample	samp_preserv	Preservative added to the sample (e.g. Rnalater, alcohol, formaldehyde, etc.). Where appropriate include volume added (e.g. Rnalater; 2 ml)
MIXS:0000651	extreme_unusual_properties/salinity	extreme_salinity	Measured salinity
MIXS:0000341	extreme_unusual_properties/salinity method	salinity_meth	Reference or method used in determining salinity
MIXS:0000410	sample transport conditions	samp_transport_cond	Sample transport duration (in days or hrs) and temperature the sample was exposed to (e.g. 5.5 days; 20 ¬∞C)
MIXS:0000784	ceiling type	ceil_type	The type of ceiling according to the ceiling's appearance or construction
MIXS:0000652	extreme_unusual_properties/heavy metals	heavy_metals	Heavy metals present and concentrationsany drug used by subject and the frequency of usage; can include multiple heavy metals and concentrations
MIXS:0000785	cooling system identifier	cool_syst_id	The cooling system identifier
MIXS:0000343	extreme_unusual_properties/heavy metals method	heavy_metals_meth	Reference or method used in determining heavy metals
MIXS:0000786	date last rain	date_last_rain	The date of the last time it rained
MIXS:0000607	extreme_unusual_properties/Al saturation	al_sat	Aluminum saturation (esp. For tropical soils)
MIXS:0000787	design, construction, and operation documents	build_docs	The building design, construction and operation documents
MIXS:0000158	door area or size	door_size	The size of the door
MIXS:0000324	extreme_unusual_properties/Al saturation method	al_sat_meth	Reference or method used in determining Al saturation
MIXS:0000788	door condition	door_cond	The phsical condition of the door
MIXS:0000099	organism count qPCR information	organism_count_qpcr_info	If qpcr was used for the cell count, the target gene name, the primer sequence and the cycling conditions should also be provided. (Example: 16S rrna; FWD:ACGTAGCTATGACGT REV:GTGCTAGTCGAGTAC; initial denaturation:90C_5min; denaturation:90C_2min; annealing:52C_30 sec; elongation:72C_30 sec; 90 C for 1 min; final elongation:72C_5min; 30 cycles)
MIXS:0000789	door direction of opening	door_direct	The direction the door opens
MIXS:0000790	door location	door_loc	The relative location of the door in the room
MIXS:0001001	pH	ph	Ph measurement of the sample, or liquid portion of sample, or aqueous phase of the fluid
MIXS:0000791	door material	door_mat	The material the door is composed of
MIXS:0000421	alkalinity	alkalinity	Alkalinity, the ability of a solution to neutralize acids to the equivalence point of carbonate or bicarbonate
MIXS:0000792	door movement	door_move	The type of movement of the door
MIXS:0000298	alkalinity method	alkalinity_method	Method used for alkalinity measurement
MIXS:0000793	door signs of water/mold	door_water_mold	Signs of the presence of mold or mildew on a door
MIXS:0000423	sulfate	sulfate	Concentration of sulfate in the sample
MIXS:0000794	door type	door_type	The type of door material
MIXS:0000424	sulfide	sulfide	Concentration of sulfide in the sample
MIXS:0000795	door type, composite	door_comp_type	The composite type of the door
MIXS:0000419	total sulfur	tot_sulfur	Concentration of total sulfur in the sample
MIXS:0000796	door type, metal	door_type_metal	The type of metal door
MIXS:0000425	nitrate	nitrate	Concentration of nitrate in the sample
MIXS:0000797	door type, wood	door_type_wood	The type of wood door
MIXS:0000426	nitrite	nitrite	Concentration of nitrite in the sample
MIXS:0000798	drawings	drawings	The buildings architectural drawings; if design is chosen, indicate phase-conceptual, schematic, design development, and construction documents
MIXS:0000427	ammonium	ammonium	Concentration of ammonium in the sample
MIXS:0000799	elevator count	elevator	The number of elevators within the built structure
MIXS:0000102	total nitrogen concentration	tot_nitro	Total nitrogen concentration of water samples, calculated by: total nitrogen = total dissolved nitrogen + particulate nitrogen. Can also be measured without filtering, reported as nitrogen
MIXS:0000800	escalator count	escalator	The number of escalators within the built structure
MIXS:0000144	exposed ductwork	exp_duct	The amount of exposed ductwork in the room
MIXS:0000422	dissolved iron	diss_iron	Concentration of dissolved iron in the sample
MIXS:0000220	exposed pipes	exp_pipe	The number of exposed pipes in the room
MIXS:0000428	sodium	sodium	Sodium concentration in the sample
MIXS:0000170	exterior door count	ext_door	The number of exterior doors in the built structure
MIXS:0000429	chloride	chloride	Concentration of chloride in the sample
MIXS:0000430	potassium	potassium	Concentration of potassium in the sample
MIXS:0000802	fireplace type	fireplace_type	A firebox with chimney
MIXS:0000164	floor age	floor_age	The time period since installment of the carpet or flooring
MIXS:0000431	magnesium	magnesium	Concentration of magnesium in the sample
MIXS:0000165	floor area	floor_area	The area of the floor space within the room
MIXS:0000432	calcium	calcium	Concentration of calcium in the sample
MIXS:0000105	total iron	tot_iron	Concentration of total iron in the sample
MIXS:0000803	floor condition	floor_cond	The physical condition of the floor at the time of sampling; photos or video preferred; use drawings to indicate location of damaged areas
MIXS:0000225	floor count	floor_count	The number of floors in the building, including basements and mechanical penthouse
MIXS:0000433	dissolved organic carbon	diss_org_carb	Concentration of dissolved organic carbon in the sample, liquid portion of the sample, or aqueous phase of the fluid
MIXS:0000434	dissolved inorganic carbon	diss_inorg_carb	Dissolved inorganic carbon concentration in the sample, typically measured after filtering the sample using a 0.45 micrometer filter
MIXS:0000804	floor finish material	floor_finish_mat	The floor covering type; the finished surface that is walked on
MIXS:0000106	dissolved inorganic phosphorus	diss_inorg_phosp	Concentration of dissolved inorganic phosphorus in the sample
MIXS:0000805	floor signs of water/mold	floor_water_mold	Signs of the presence of mold or mildew in a room
MIXS:0000117	total phosphorus	tot_phosp	Total phosphorus concentration in the sample, calculated by: total phosphorus = total dissolved phosphorus + particulate phosphorus
MIXS:0000806	floor structure	floor_struc	Refers to the structural elements and subfloor upon which the finish flooring is installed
MIXS:0000166	floor thermal mass	floor_thermal_mass	The ability of the floor to provide inertia against temperature fluctuations
MIXS:0000437	suspended solids	suspend_solids	Concentration of substances including a wide variety of material, such as silt, decaying plant and animal matter; can include multiple substances
MIXS:0000226	frequency of cleaning	freq_clean	The number of times the building is cleaned per week
MIXS:0000435	density	density	Density of the sample, which is its mass per unit volume (aka volumetric mass density)
MIXS:0000227	frequency of cooking	freq_cook	The number of times a meal is cooked per week
MIXS:0000436	dissolved carbon dioxide	diss_carb_dioxide	Concentration of dissolved carbon dioxide in the sample or liquid portion of the sample
MIXS:0000438	dissolved oxygen in fluids	diss_oxygen_fluid	Concentration of dissolved oxygen in the oil field produced fluids as it contributes to oxgen-corrosion and microbial activity (e.g. Mic).
MIXS:0000807	furniture	furniture	The types of furniture present in the sampled room
MIXS:0000439	volatile fatty acids	vfa	Concentration of Volatile Fatty Acids in the sample
MIXS:0000808	gender of restroom	gender_restroom	The gender type of the restroom
MIXS:0000228	hallway/corridor count	hall_count	The total count of hallways and cooridors in the built structure
MIXS:0000440	benzene	benzene	Concentration of benzene in the sample
MIXS:0000441	toluene	toluene	Concentration of toluene in the sample
MIXS:0000809	handidness	handidness	The handidness of the individual sampled
MIXS:0000442	ethylbenzene	ethylbenzene	Concentration of ethylbenzene in the sample
MIXS:0000810	heating delivery locations	heat_deliv_loc	The location of heat delivery within the room
MIXS:0000443	xylene	xylene	Concentration of xylene in the sample
MIXS:0000812	heating system delivery method	heat_system_deliv_meth	The method by which the heat is delivered through the system
MIXS:0000444	API gravity	api	API gravity is a measure of how heavy or light a petroleum liquid is compared to water (source: https://en.wikipedia.org/wiki/API_gravity) (e.g. 31.1¬∞ API)
MIXS:0000833	heating system identifier	heat_system_id	The heating system identifier
MIXS:0000120	total acid number	tan	Total Acid Number¬†(TAN) is a measurement of acidity that is determined by the amount of¬†potassium hydroxide¬†in milligrams that is needed to neutralize the acids in one gram of oil.¬†It is an important quality measurement of¬†crude oil. (source: https://en.wikipedia.org/wiki/Total_acid_number)
MIXS:0000167	height carpet fiber mat	height_carper_fiber	The average carpet fiber height in the indoor environment
MIXS:0000126	viscosity	viscosity	A measure of oil's resistance¬†to gradual deformation by¬†shear stress¬†or¬†tensile stress (e.g. 3.5 cp; 100 ¬∞C)
MIXS:0000168	inside lux light	inside_lux	The recorded value at sampling time (power density)
MIXS:0000127	pour point	pour_point	Temperature at which a liquid becomes semi solid and loses its flow characteristics. In crude oil a high¬†pour point¬†is generally associated with a high paraffin content, typically found in crude deriving from a larger proportion of plant material. (soure: https://en.wikipedia.org/wiki/pour_point)
MIXS:0000813	interior wall condition	int_wall_cond	The physical condition of the wall at the time of sampling; photos or video preferred; use drawings to indicate location of damaged areas
MIXS:0000131	saturates wt%	saturates_pc	Saturate, Aromatic, Resin and Asphaltene¬†(SARA) is an analysis method that divides¬†crude oil¬†components according to their polarizability and polarity. There are three main methods to obtain SARA results. The most popular one is known as the Iatroscan TLC-FID and is referred to as IP-143 (source: https://en.wikipedia.org/wiki/Saturate,_aromatic,_resin_and_asphaltene)
MIXS:0000814	last time swept/mopped/vacuumed	last_clean	The last time the floor was cleaned (swept, mopped, vacuumed)
MIXS:0000133	aromatics wt%	aromatics_pc	Saturate, Aromatic, Resin and Asphaltene¬†(SARA) is an analysis method that divides¬†crude oil¬†components according to their polarizability and polarity. There are three main methods to obtain SARA results. The most popular one is known as the Iatroscan TLC-FID and is referred to as IP-143 (source: https://en.wikipedia.org/wiki/Saturate,_aromatic,_resin_and_asphaltene)
MIXS:0000229	maximum occupancy	max_occup	The maximum amount of people allowed in the indoor environment
MIXS:0000134	resins wt%	resins_pc	Saturate, Aromatic, Resin and Asphaltene¬†(SARA) is an analysis method that divides¬†crude oil¬†components according to their polarizability and polarity. There are three main methods to obtain SARA results. The most popular one is known as the Iatroscan TLC-FID and is referred to as IP-143 (source: https://en.wikipedia.org/wiki/Saturate,_aromatic,_resin_and_asphaltene)
MIXS:0000815	mechanical structure	mech_struc	mechanical structure: a moving structure
MIXS:0000135	asphaltenes wt%	asphaltenes_pc	Saturate, Aromatic, Resin and Asphaltene¬†(SARA) is an analysis method that divides¬†crude oil¬†components according to their polarizability and polarity. There are three main methods to obtain SARA results. The most popular one is known as the Iatroscan TLC-FID and is referred to as IP-143 (source: https://en.wikipedia.org/wiki/Saturate,_aromatic,_resin_and_asphaltene)
MIXS:0000230	number of houseplants	number_plants	The number of plant(s) in the sampling space
MIXS:0000231	number of pets	number_pets	The number of pets residing in the sampled space
MIXS:0000232	number of residents	number_resident	The number of individuals currently occupying in the sampling location
MIXS:0000300	additional info	additional_info	Information that doesn't fit anywhere else. Can also be used to propose new entries for fields with controlled vocabulary
MIXS:0000816	occupancy documentation	occup_document	The type of documentation of occupancy
MIXS:0000817	orientations of exterior wall	ext_wall_orient	The orientation of the exterior wall
MIXS:0000818	orientations of exterior window	ext_window_orient	The compass direction the exterior window of the room is facing
MIXS:0000188	outside relative humidity	rel_humidity_out	The recorded outside relative humidity value at the time of sampling
MIXS:0000819	presence of pets, animals, or insects	pres_animal	The number and type of animals present in the sampling space
MIXS:0000820	quadrant position	quad_pos	The quadrant position of the sampling room within the building
MIXS:0000821	relative sampling location	rel_samp_loc	The sampling location within the train car
MIXS:0000169	room air exchange rate	room_air_exch_rate	The rate at which outside air replaces indoor air in a given space
MIXS:0000233	room architectural elements	room_architec_element	The unique details and component parts that, together, form the architecture of a distinguisahable space within a built structure
MIXS:0000822	room condition	room_condt	The condition of the room at the time of sampling
MIXS:0000234	room count	room_count	The total count of rooms in the built structure including all room types
MIXS:0000192	room dimensions	room_dim	The length, width and height of sampling room
MIXS:0000193	room door distance	room_door_dist	Distance between doors (meters) in the hallway between the sampling room and adjacent rooms
MIXS:0000823	room location in building	room_loc	The position of the room within the building
MIXS:0000235	room moisture damage or mold history	room_moist_damage_hist	The history of moisture damage or mold in the past 12 months. Number of events of moisture damage or mold observed
MIXS:0000194	room net area	room_net_area	The net floor area of sampling room. Net area excludes wall thicknesses
MIXS:0000236	room occupancy	room_occup	Count of room occupancy at time of sampling
MIXS:0000824	room sampling position	room_samp_pos	The horizontal sampling position in the room relative to architectural elements
MIXS:0000825	room type	room_type	The main purpose or activity of the sampling room. A room is any distinguishable space within a structure
MIXS:0000195	room volume	room_vol	Volume of sampling room
MIXS:0000237	room window count	room_window_count	Number of windows in the room
MIXS:0000826	rooms connected by a doorway	room_connected	List of rooms connected to the sampling room by a doorway
MIXS:0000238	rooms that are on the same hallway	room_hallway	List of room(s) (room number, room name) located in the same hallway as sampling room
MIXS:0000242	rooms that share a door with sampling room	room_door_share	List of room(s) (room number, room name) sharing a door with the sampling room
MIXS:0000243	rooms that share a wall with sampling room	room_wall_share	List of room(s) (room number, room name) sharing a wall with the sampling room
MIXS:0000827	sampling day weather	samp_weather	The weather on the sampling day
MIXS:0000828	sampling floor	samp_floor	The floor of the building, where the sampling room is located
MIXS:0000244	sampling room ID or name	samp_room_id	Sampling room number. This ID should be consistent with the designations on the building floor plans
MIXS:0000196	sampling time outside	samp_time_out	The recent and long term history of outside sampling
MIXS:0000829	season	season	The season when sampling occurred
MIXS:0000830	seasonal use	season_use	The seasons the space is occupied
MIXS:0000831	shading device condition	shading_device_cond	The physical condition of the shading device at the time of sampling
MIXS:0000832	shading device location	shading_device_loc	The location of the shading device in relation to the built structure
MIXS:0000245	shading device material	shading_device_mat	The material the shading device is composed of
MIXS:0000834	shading device signs of water/mold	shading_device_water_mold	Signs of the presence of mold or mildew on the shading device
MIXS:0000835	shading device type	shading_device_type	The type of shading device
MIXS:0000214	specific humidity	specific_humidity	The mass of water vapour in a unit mass of moist air, usually expressed as grams of vapour per kilogram of air, or, in air conditioning, as grains per pound.
MIXS:0000836	specifications	specific	The building specifications. If design is chosen, indicate phase: conceptual, schematic, design development, construction documents
MIXS:0000197	temperature outside house	temp_out	The recorded temperature value at sampling time outside
MIXS:0000837	train line	train_line	The subway line name
MIXS:0000838	train station collection location	train_stat_loc	The train station collection location
MIXS:0000839	train stop collection location	train_stop_loc	The train stop collection location
MIXS:0000840	visual media	vis_media	The building visual media
MIXS:0000198	wall area	wall_area	The total area of the sampled room's walls
MIXS:0000841	wall construction type	wall_const_type	The building class of the wall defined by the composition of the building elements and fire-resistance rating.
MIXS:0000842	wall finish material	wall_finish_mat	The material utilized to finish the outer most layer of the wall
MIXS:0000221	wall height	wall_height	The average height of the walls in the sampled room
MIXS:0000843	wall location	wall_loc	The relative location of the wall within the room
MIXS:0000844	wall signs of water/mold	wall_water_mold	Signs of the presence of mold or mildew on a wall
MIXS:0000845	wall surface treatment	wall_surf_treatment	The surface treatment of interior wall
MIXS:0000846	wall texture	wall_texture	The feel, appearance, or consistency of a wall surface
MIXS:0000222	wall thermal mass	wall_thermal_mass	The ability of the wall to provide inertia against temperature fluctuations. Generally this means concrete or concrete block that is either exposed or covered only with paint
MIXS:0000223	water feature size	water_feat_size	The size of the water feature
MIXS:0000847	water feature type	water_feat_type	The type of water feature present within the building being sampled
MIXS:0000848	weekday	weekday	The day of the week when sampling occurred
MIXS:0000224	window area/size	window_size	The window's length and width
MIXS:0000849	window condition	window_cond	The physical condition of the window at the time of sampling
MIXS:0000850	window covering	window_cover	The type of window covering
MIXS:0000851	window horizontal position	window_horiz_pos	The horizontal position of the window on the wall
MIXS:0000852	window location	window_loc	The relative location of the window within the room
MIXS:0000853	window material	window_mat	The type of material used to finish a window
MIXS:0000246	window open frequency	window_open_freq	The number of times windows are opened per week
MIXS:0000854	window signs of water/mold	window_water_mold	Signs of the presence of mold or mildew on the window.
MIXS:0000855	window status	window_status	Defines whether the windows were open or closed during environmental testing
MIXS:0000856	window type	window_type	The type of windows
MIXS:0000857	window vertical position	window_vert_pos	The vertical position of the window on the wall