| Field Name |
Definition |
NWSS Requirement |
GenomeTrakr requirement |
US FDA guidance for LFFM-funded laboratories |
US CDC guidance for ELC-funded laboratories |
Example Data |
US NWSS Data Dictionary |
NCBI validation (value format) |
Field Source |
Notes/Questions |
PHA4GE synonym |
| sample_name |
Sample Name is a name that you choose for the sample. It can have any format, but we suggest that you make it concise, unique and consistent within your lab, and as informative as possible. Every Sample Name from a single Submitter must be unique. |
mandatory |
mandatory |
Biosamples are created at the extraction level (each RNA extraction will get a unique BioSample ID). Create a base ID for each sample collection (for example, LABID_001), then add an index to represent each extraction (e.g. LABID_001.01). Every Sample Name from a single Submitter must be unique. |
wwtp12_raw_20210609 |
[none] |
NA |
|
SARS-CoV-2: clinical or host-associated |
|
|
| sample_title |
Title of the sample. If no value is specified, this will be imputed as “SARS-CoV-2: wastewater surveillance sample from Wastewater metagenome”. |
optional |
optional |
Enter the following "SARS-CoV-2: wastewater surveillance sample from Wastewater metagenome" |
SARS-CoV-2: wastewater surveillance sample from Wastewater metagenome |
[none] |
NA |
|
SARS-CoV-2: clinical or host-associated |
|
|
| isolation_source |
Describes the physical, environmental and/or local geographical source of the biological sample from which the sample was derived. |
mandatory |
mandatory |
Describes the physical, environmental and/or local geographical source of the biological sample from which the sample was derived. Select "Wastewater" from the pick list. |
Wastewater |
[none] |
NA |
{text} |
PHA4GE |
|
|
| collection_date |
The date on which the sample was collected; date/time ranges are supported by providing two dates from among the supported value formats, delimited by a forward-slash character; collection times are supported by adding "T", then the hour and minute after the date, and must be in Coordinated Universal Time (UTC), otherwise known as "Zulu Time" (Z); supported formats include "DD-Mmm-YYYY", "Mmm-YYYY", "YYYY" or ISO 8601 standard "YYYY-mm-dd", "YYYY-mm", "YYYY-mm-ddThh:mm:ss"; e.g., 30-Oct-1990, Oct-1990, 1990, 1990-10-30, 1990-10, 21-Oct-1952/15-Feb-1953, 2015-10-11T17:53:03Z; valid non-ISO dates will be automatically transformed to ISO format. |
mandatory |
mandatory |
The date on which the sample was collected; date/time ranges are supported by providing two dates from among the supported value formats, delimited by a forward-slash character. The date should be provided in ISO 8601 standard format "YYYY-MM-DD". Sample pooling guidance: enter the latest collection date within the pooled samples. |
5/1/2021 |
sample_collect_date |
sample_collect_date |
{timestamp} |
SARS-CoV-2: clinical or host-associated |
|
|
| collection_time |
For grab samples: the time of day the sample was collected in your timezone. 1-12 AM - 1-12 PM. |
optional |
optional |
For grab samples: the time of day the sample was collected in your timezone. 1:00 AM - 12:00 PM |
|
8:00 AM |
sample_collect_time |
custom attribute |
|
|
|
| geo_loc_name |
Geographical origin of the sample; use the appropriate name from this list http://www.insdc.org/documents/country-qualifier-vocabulary. Use a colon to separate the country or ocean from more detailed information about the location, eg "Canada: Vancouver" or "Germany: halfway down Zugspitze, Alps". |
mandatory |
mandatory |
Geographical origin of the sample. Use the appropriate country names from this list http://www.insdc.org/documents/country-qualifier-vocabulary. Use a colon to separate the country or ocean from more detailed information about the location. Note that US state should be spelled out directly following the colon. |
USA:Virginia |
[none] |
wwtp_jurisdiction |
{term}:{term}:{text} |
SARS-CoV-2: clinical or host-associated |
|
|
| organism |
The most descriptive organism name for this sample (to the species, if possible). It is OK to submit an organism name that is not in our database. In the case of a new species, provide the desired organism name, and our taxonomists may assign a provisional taxID. In the case of unidentified species, choose the appropriate Genus and include 'sp.', e.g., "Escherichia sp.". When sequencing a genome from a non-metagenomic source, include a strain or isolate name too, e.g., "Pseudomonas sp. UK4". For more information about providing a valid organism, including new species, metagenomes (microbiomes) and metagenome-assembled genomes, see https://www.ncbi.nlm.nih.gov/biosample/docs/organism/. |
mandatory |
mandatory |
For all wastewater surveillance samples using this attribute package, use "wastewater metagenome", even if metagenomic sequencing was not applied to this sample. |
wastewater metagenome |
[none] |
Enter the following "SARS-CoV-2: wastewater surveillance sample from Wastewater metagenome |
|
SARS-CoV-2: clinical or host-associated |
|
|
| specimen_processing |
Any laboraotry processing applied to the sample from the point of collection through RNA extraction. |
optional |
optional |
Critical for interpreting data. If the sample is a replicate, specify the type of replicate using the options in the dropdown. |
|
technical replicate, biological replicate |
NA |
custom attribute |
|
biological replicate: when processing occurs prior to concentration (e.g. multiple grabs taken at the same time or multiple aliquots from the same grab); technical replicate: when different concentration, extraction, storage, etc. protocols have occurred on the same grab or composite sample |
specimen processing |
| specimen_processing_id |
Identifer used to distinguish specimen processing treatments |
optional |
optional |
Identifer used to distinguish specimen processing treatments, for example IDs used to indentify replicates. |
|
replicate_1, rep_1 |
NA |
custom attribute |
|
|
|
| specimen_processing_details |
Detailed description of the speciman processing steps employed. |
optional |
optional |
Detailed description of the speciman processing steps employed. |
|
Grabbed sample was separated into two, 50mL aliquots |
NA |
custom attribute |
|
|
speciman processing details |
| ww_surv_target_1 |
Taxonomic name of the surveillance target. For the COVID-19 response, use 'SARS-CoV-2'. |
mandatory |
mandatory |
If a target for wastewater surveillance activity known, please list all. If looking for emerging pathogens, use "unknown". If no target specified, put "NA". For the COVID-19 response, use "SARS-CoV-2". For corresponding SRA, also include a custom variable with this field name (i.e., "ww_surv_target_1") and value (e.g., "SARS-CoV-2") to link the SRA to BioSample in the event multiple SRA's and targets correspond to the same BioSample. |
SARS-CoV-2 |
[none] |
pcr_target |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_1_known_present |
Is genetic material of the surveillance target(s) known to the submitter to be present in this wastewater sample? Presence defined as microbiological evidence of the target organism in the wastewater sample, such as genetic- or culture-based detection. |
mandatory |
mandatory |
Select from "yes" or "no" picklist. Presence defined as microbiological evidence of the target organism in the wastewater sample, such as genetic- or culture-based detection. |
yes |
[none] |
NA |
no | yes |
Wastewater surveillance-specific |
|
|
| ww_sample_matrix |
The wastewater matrix that was sampled. |
mandatory |
mandatory |
Select a value from the pick list. |
|
raw wastewater |
sample_matrix |
raw wastewater | sewer pipeline sediments | post grit removal | primary sludge | primary effluent | secondary sludge | secondary effluent | other | restricted access | not applicable | not collected | not provided | missing |
Wastewater surveillance-specific |
|
|
| ww_sample_duration |
Duration of composite sample collected, in units of hours, e.g., 24. Specify integer values. If the sample is not a composite sample, use 0. |
mandatory |
mandatory |
Specify integer values. If the sample is not a composite sample, use 0. |
|
24 |
composite_freq |
{integer}{text} |
Wastewater surveillance-specific |
|
|
| ww_sample_type |
Type of wastewater sample collected |
mandatory |
mandatory |
Select a value from the pick list. |
|
composite |
sample_type |
grab | composite | swab-grab | swab-composite | restricted access | not applicable | not collected | not provided | missing |
Wastewater surveillance-specific |
|
|
| ww_population |
Number of persons contributing wastewater to this sample collection site; if unknown, estimate to the nearest order of magnitude, e.g., 10000. If no estimate is available, input NA. |
mandatory |
mandatory |
Specify a numeric value. If unknown, estimate to the nearest order of magnitude. If no estimate is available, input "NA". US CDC NWSS recommendation: if population is less than 3,000 people, input 3000. |
93000 |
population_served |
population_served |
{integer} |
Wastewater surveillance-specific |
|
|
| collection_site_id |
ID that uniquely identifies the sample collection site among other sample collection sites in this BioProject. It must be unique at the level of the submitter's data BioProject. |
optional |
mandatory |
ID that uniquely identifies the sample collection site among other sample collection sites in this BioProject. It must be unique at the level of the submitter's data BioProject. Where possible, and with agreement from the facility, include the full name of the wastewater treatment plant. If annonymity is requested, create a masking ID to use for all samples collected at this site (e.g. AL-plant-1). |
Use an anonymized ID that does not identify the wastewater utility unless you have obtained written permission from the utility to publish the utility's name. Use only numbers, English alphabetic characters, underscores, and hyphens (white space is not allowed). |
C.C. Williams Wastewater Treatment Plant, or ALplant.1 |
NA |
custom attribute |
Wastewater surveillance-specific |
|
|
| project_name |
A concise name that describes the overall project, for example "Analysis of sequences collected from Antarctic soil" |
optional |
mandatory |
Name of the coordinated sequencing efforts or project within which the sequencing was organized. For FDA LFFM-funded laboratories, specify which funding year (FY) for which the isolate was collected. FY1, FY2, etc. |
GenomeTrakr; LFFM ww project |
|
NA |
custom attribute |
|
|
|
| bioproject_accession |
The accession number of the BioProject(s) to which the BioSample belongs. If the BioSample belongs to more than one BioProject, enter multiple bioproject_accession columns. A valid BioProject accession has prefix PRJN, PRJE or PRJD, e.g., PRJNA12345. |
mandatory |
mandatory |
Required if submission is linked to a BioProject. BioProjects are an organizing tool that links together raw sequence data, assemblies, and their associated metadata. A valid BioProject accession has prefix PRJN, PRJE or PRJD, e.g., PRJNA12345 and is created once at the beginning of a new sequencing project. Your laboratory can have one or many BioProjects. |
PRJNA99999 |
[none] |
NWSS Umbrella linked local BioProject |
|
SARS-CoV-2: clinical or host-associated |
|
|
| collected_by |
Name of persons or institute who collected the sample |
optional |
mandatory |
Name of person, lab, organization, or jurisdiction that led the program or study for which the wastewater sample was collected. |
virginia department of health |
[none] |
NA |
{text} |
SARS-CoV-2: clinical or host-associated |
|
|
| description |
Description of the sample. |
optional |
optional |
Opportunity to add additional free text metadata (was the sample a replicate?) |
|
[Any useful descriptive metadata.] |
NA |
{text} |
SARS-CoV-2: clinical or host-associated |
|
|
| sequenced_by |
The name of the agency that generated the sequence, e.g., Centers for Disease Control and Prevention. |
optional |
mandatory |
Name of the laboratory that generated the sequence data |
|
virginia division of consolidated laboratory services |
NA |
{text} |
SARS-CoV-2: clinical or host-associated |
|
|
| ww_sample_site |
The type of site where the wastewater sample was collected. |
optional |
mandatory |
Select a value from the pick list. |
|
wastewater treatment plant |
institution_type |
correctional facilility | long-term care facility | hospital | child day care | school | college or university | social services shelter | other residential building | ship | airplane | airport | septic tank | other holding tank | wastewater treatment plant | wastewater lagoon | sewer pipeline | food or meat processing plant | other: define |
Wastewater surveillance-specific |
|
environmental site |
| ww_surv_jurisdiction |
A jurisdiction identifer that can be used to support linking the sample to a public health surveillance system, e.g., va. |
optional |
optional |
A jurisdiction identifer that can be used to support linking the sample to a public health surveillance system. For GenomeTrakr labs: this information should be captured in geo_loc_name, leave this field empty. |
va |
reporting_jurisdiction |
reporting_jurisdiction |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_system_sample_id |
The sample ID used for submission to a public health surveillance system (e.g., CDC's National Wastewater Surveillance System), e.g., s123456. |
mandatory |
optional |
Not relevant for GenomeTrakr labs, unless a laboratory is also reporting results of this sample to NWSS. |
s123456 |
sample_id |
sample_id |
{text} |
Wastewater surveillance-specific |
|
|
| ww_population_source |
Source of value specified in 'ww_population', e.g., wastewater utility billing records, population of jurisdiction encompassing the wastewater service area, census blocks clipped to wastewater service area polygon. |
optional |
optional |
Provide a brief description. The purpose of this field is to provide a sense of the accuracy of the value specified in 'population_served'. Examples include: wastewater utility billing records, population of jurisdiction encompassing the wastewater service area, census block approximation of service area polygon. Also, if 'ww_population' is suppressed (e.g., specified as 3000 to suppress a true value less than 3000), use the term "suppressed" (e.g., "wastewater utility billing records; suppressed"). |
census block approximation of service area polygon |
[none] |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| purpose_of_ww_sampling |
The reason the sample was collected. |
optional |
mandatory |
The reason the sample was collected. For GenomeTrakr labs, this is likely "public health surveillance community-level" |
public health surveillance community-level |
[none] |
NA |
public health surveillance community-level | public health surveillance institution-level | public health surveillance building-level | research | other | restricted access | not applicable | not collected | not provided | missing |
Wastewater surveillance-specific |
|
|
| purpose_of_ww_sequencing |
The reason the sample was sequenced, e.g., identification of mutations within a specific region, presence of clinically known mutations, or diversity of mutations across entire genome. |
optional |
optional |
Describe the reason(s) for sequencing the wastewater sample, which will be dependent on the methods used. For example, identification of mutations within a specific region, presence of clinically known mutations, or diversity of mutations across entire genome. |
detection of target organism by RT PCR or ddPCR |
[none] |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_processing_protocol |
The protocol used to process the wastewater sample. Processing includes laboratory procedures prior to and including nucleic acid purification (e.g., pasteurization, concentration, extraction, etc). Specify a reference, website, or brief description. |
optional |
optional |
Populate the individual protocol attributes instead of summarizing here. |
|
|
pretreatment_specify |
{text} |
Wastewater surveillance-specific |
|
|
| collection_volume |
|
optional |
optional |
Enter the volume of the sample collected |
|
1L |
NA |
custom attribute |
|
|
|
| concentration_method |
The method used to concentrate a target organism, nucleic acid, organelle, etc within a sample. |
optional |
mandatory |
The method used to concentrate a target organism, nucleic acid, organelle, etc within a sample. |
peg precipitation + ultracentrifugation |
[none] |
concentration_method |
custom attribute |
Wastewater surveillance-specific |
|
|
| extraction_method |
The protocol used to extract nucleic acids (DNA or RNA) from a sample |
optional |
mandatory |
The protocol used to extract nucleic acids (DNA or RNA) from a sample |
|
qiagen rneasy kit |
extraction_method |
custom attribute |
Wastewater surveillance-specific |
|
|
| extraction_control |
Organism (or nucleic acid) used in the extraction protocol to determine successful extraction. |
mandatory |
mandatory |
The extraction control used to spike samples prior to processing and used to determine success of extraction, or extraction efficiency. |
murine norovirus |
[none] |
NA (e.g. murine norovirus, OC43 Recovery Control, none, etc.) |
custom attribute |
|
|
|
| ww_surv_target_1_conc |
The concentration of the wastewater surveillance target specified in 'ww_surv_target_1' on a per wastewater unit basis, e.g., 200000. |
optional |
mandatory |
Submitters should report Ct values for RT qPCR and concentration values for ddPCR. |
200000 |
sars_cov2_avg_conc |
pcr_target_avg_conc |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_1_conc_unit |
The units of the value specified in 'ww_surv_target_1_conc', e.g., copies/L wastewater. |
optional |
mandatory |
Suggested units for liquid wastewater samples are "Ct values", "copies per liter wastewater", for sludge samples: "copies per gram sludge", "mg per gram sludge", or "micrograms per gram sludge" |
copies/L wastewater |
sars_cov2_units |
pcr_target_units |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_1_gene |
The name of the gene quantified for the the surveillance target specified in 'ww_surv_target_1', e.g., N gene. |
optional |
mandatory |
For example, "N gene" for quantification of SARS-CoV-2 RNA using the US CDC N1 or N2 assay. |
|
N gene |
pcr_gene_target |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_1_protocol |
The protocol used to quantify 'ww_surv_target_1'. Specify a reference, website, or brief description. |
optional |
mandatory |
Specify a reference, website, or brief description. |
|
author et al, title, journal, year |
pcr_target_ref |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_2 |
Taxonomic name of the second surveillance target, if any |
optional |
optional |
If a target for wastewater surveillance activity known, please list all. If looking for emerging pathogens, use "unknown". If no target specified, put "NA". For the COVID-19 response, use "SARS-CoV-2". For corresponding SRA, also include a custom variable with this field name (i.e., "ww_surv_target_1") and value (e.g., "SARS-CoV-2") to link the SRA to BioSample in the event multiple SRA's and targets correspond to the same BioSample. |
|
[none] |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_2_conc |
The concentration of the wastewater surveillance target specified in 'ww_surv_target_2' on a per wastewater unit basis, e.g., 24000. |
optional |
optional |
For example, SARS-CoV-2 concentrations measured by RT-qPCR would be provided units of "copies per liter" wastewater or "copies per gram" of sludge. |
For example, SARS-CoV-2 concentrations measured by RT-qPCR would be provided units of "copies per liter" wastewater or "copies per gram" of sludge. |
24000 |
NA |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_2_conc_unit |
The units of the value specified in 'ww_surv_target_2_conc', e.g., copies/L wastewater. |
optional |
optional |
Units should be on a per unit of wastewater basis. Suggested units for liquid wastewater samples are "copies per liter wastewater", suggested units for sludge samples are "copies per gram sludge", "mg per gram sludge", or "micrograms per gram sludge". |
Units should be on a per unit of wastewater basis. Suggested units for liquid wastewater samples are "copies per liter wastewater", suggested units for sludge samples are "copies per gram sludge", "mg per gram sludge", or "micrograms per gram sludge". |
copies/L wastewater |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_2_gene |
The name of the gene quantified for the the surveillance target specified in 'ww_surv_target_2', e.g., ORF1-ORF2 junction. |
optional |
mandatory |
For example, "N gene" for quantification of SARS-CoV-2 RNA using the US CDC N1 or N2 assay. |
For example, "N gene" for quantification of SARS-CoV-2 RNA using the US CDC N1 or N2 assay. |
ORF1-ORF2 junction |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_surv_target_2_known_present |
Is genetic material of the surveillance target(s) known to the submitter to be present in this wastewater sample? Presence defined as microbiological evidence of the target organism in the wastewater sample, such as genetic- or culture-based detection. |
optional |
mandatory |
Select from "yes" or "no" picklist. Presence defined as microbiological evidence of the target organism in the wastewater sample, such as genetic- or culture-based detection. |
Select from "yes" or "no" picklist. Presence defined as microbiological evidence of the target organism in the wastewater sample, such as genetic- or culture-based detection. |
yes |
NA |
no | yes |
Wastewater surveillance-specific |
|
|
| ww_endog_control_1 |
The name of an organism, gene, or compound used as an endogenous wastewater control, e.g., pepper mild mottle virus. |
optional |
mandatory |
Provide the name of the organism, gene, or compound used as an endogenous wastewater control. Common endogenous controls may serve as a proxy for human excretory content and as laboratory processing controls. |
pepper mild mottle virus |
hum_frac_target_mic, hum_frac_target_chem, other_norm_name |
hum_frac_target_mic |
{text} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_1_conc |
The concentration of the endogenous control specified in 'ww_endog_control_1' on a per wastewater unit basis, e.g., 700000000. |
optional |
optional |
Specify the concentration in units per liter wastewater or gram of sludge; the same units specified in 'ww_endog_control_1_units'. |
700000000 |
hum_frac_mic_conc, hum_frac_chem_conc, other_norm_con |
hum_frac_mic_conc |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_1_protocol |
The protocol used to quantify 'ww_endog_control_1'. Specify a reference, website, or brief description. |
optional |
optional |
Specify a reference, website, or brief description. |
|
author et al, title, journal, year |
hum_frac_target_mic_ref |
{text} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_1_units |
The units of the value specified in 'ww_endog_control_1_conc', e.g., copies/L wastewater. |
optional |
optional |
Units should be on a per unit of wastewater basis. Suggested units for liquid wastewater samples are "copies/L wastewater", "mg/L wastewater", or "micrograms/L wastewater"; suggested units for sludge samples are "copies/g sludge", "mg/g sludge", or "micrograms/g sludge". |
copies/L wastewater |
hum_frac_mic_unit, hum_frac_chem_unit, other_norm_unit |
hum_frac_mic_unit |
{text} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_2 |
The name of an organism, gene, or compound used as an endogenous wastewater control, e.g., crassphage. |
optional |
optional |
Provide the name of the organism, gene, or compound used as an endogenous wastewater control. Common endogenous controls may serve as a proxy for human excretory content and as laboratory processing controls. |
crassphage |
hum_frac_target_mic, hum_frac_target_chem, other_norm_name |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_2_conc |
The concentration of the endogenous control specified in 'ww_endog_control_2' on a per wastewater unit basis, e.g., 140000000. |
optional |
optional |
Specify the concentration in units per liter wastewater or gram of sludge and specify the units in 'ww_endog_control_2_units'. |
140000000 |
hum_frac_mic_conc, hum_frac_chem_conc, other_norm_con |
NA |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_2_protocol |
The protocol used to quantify 'ww_endog_control_2'. Specify a reference, website, or brief description. |
optional |
optional |
Specify a reference, website, or brief description. |
|
author et al, title, journal, year |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_endog_control_2_units |
The units of the value specified in 'ww_endog_control_2_conc', e.g., copies/L wastewater. |
optional |
optional |
Units should be on a per unit of wastewater basis. Suggested units for liquid wastewater samples are "copies/L wastewater", "mg/L wastewater", or "micrograms/L wastewater"; suggested units for sludge samples are "copies/g sludge", "mg/g sludge", or "micrograms/g sludge". |
copies/L wastewater |
hum_frac_mic_unit, hum_frac_chem_unit, other_norm_unit |
NA |
{text} |
Wastewater surveillance-specific |
|
|
| ww_flow |
Daily volumetric flow through collection site, in units of liters per day, e.g., 110000000. |
optional |
mandatory |
Daily volumetric flow through collection site, in units of liters per day, e.g., 110000000. |
Numeric value in units of liters per day. If only an instantaneous flow measurement is available, report it in units of liters per day. |
110000000 |
flow_rate |
{integer} |
Wastewater surveillance-specific |
|
|
| instantaneous_flow |
For grab samples: enter the an instantaneous volumetric flow measurement. The time of this measurement should correspond to when the grab sample was taken, and should be reported in UNITS per LITER per day. |
optional |
optional |
For grab samples: enter the an instantaneous volumetric flow measurement. The time of this measurement should correspond to when the grab sample was taken, and should be reported in units of liters per day. |
|
|
NA |
custom attribute |
|
|
|
| ww_temperature |
Temperature of the wastewater sample at the time of sampling in Celsius, e.g., 25. |
optional |
mandatory |
Temperature of the wastewater sample at the time of sampling in Celsius, e.g., 25. |
|
25 |
collection_water_temp |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_total_suspended_solids |
Total concentration of solids in raw wastewater influent sample including a wide variety of material, such as silt, decaying plant and animal matter in milligrams per liter, e.g., 500. |
optional |
optional |
[none] |
|
500 |
tss |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_industrial_effluent_percent |
Percentage of industrial effluents received by wastewater treatment plant, e.g., 10. |
optional |
optional |
[none] |
|
10 |
industrial_input |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_ph |
pH measurement of the sample, or liquid portion of sample, or aqueous phase of the fluid, e.g., 7.2. |
optional |
optional |
[none] |
|
7.2 |
ph |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_sample_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 or derived from the conductivity measurement (practical salinity) in milligram per liter, e.g., 100. |
optional |
optional |
[none] |
|
100 |
conductivity |
{integer} |
Wastewater surveillance-specific |
|
|
| ww_pre_treatment |
Describe any process of pre-treatment that removes materials that can be easily collected from the raw wastewater, e.g., flow equilibration basin promotes settling of some solids. |
optional |
optional |
Processes within the sewer distribution system or wastewater treatment plant that remove solids or chemically treat prior to wastewater surveillance sample collection. |
flow equilibration basin promotes settling of some solids |
[none] |
pretreatment |
{text} |
Wastewater surveillance-specific |
|
|
| ww_primary_sludge_retention_time |
The time primary sludge remains in tank in hours, e.g., 4. |
optional |
optional |
[none] |
|
4 |
NA |
{integer} |
Wastewater surveillance-specific |
|
|