|
Category |
Code |
Description |
Source |
Reference |
Low level method |
Active
|
Alias
|
Modified By
|
Modified Date
|
|
Measurement
|
SWFMD
|
Streamflow by doppler meter.
|
|
|
|
Y
|
|
CNEU461
|
12/08/2004
|
|
Measurement
|
SWFMF
|
Streamflow by flume.
|
|
|
|
Y
|
|
CNEU461
|
12/08/2004
|
|
Measurement
|
SWFMFLOAT
|
Streamflow by floating object method
|
|
|
|
Y
|
|
CNEU461
|
11/02/2006
|
|
Measurement
|
SWFMR
|
Streamflow reported, method not known.
|
|
|
|
Y
|
|
CNEU461
|
12/08/2004
|
|
Measurement
|
SWFMT
|
Streamflow by totaling meter.
|
|
|
|
Y
|
|
CNEU461
|
12/08/2004
|
|
Measurement
|
SWFMW90
|
Streamflow by 90 degree v-notch weir, using Stevens Water Resources Data Book tables.
|
|
Stevens Water Resources Data Book, 1998. Leupold & Stevens, Inc. Beaverton, OR.
|
|
Y
|
|
CNEU461
|
11/29/2010
|
|
Measurement
|
SWFMZ
|
Streamflow by other method.
|
|
|
|
Y
|
|
CNEU461
|
12/08/2004
|
|
Analysis
|
SWRI-ORD-GC/ECD
|
Ordnance Compounds by Gas Chromatograph with Electron Capture Detection (GC/ECD)
|
|
Southwest Research Institute, 1992. San Antonio, TX, proprietary method.
|
|
Y
|
|
CNEU461
|
10/07/2014
|
|
Analysis
|
SWRI-ORD-HPLC
|
Picric and Picramic Acid Ordnance Compounds by High-Performance Liquid Chromatography (HPLC)
|
|
Southwest Research Institute, 1992. San Antonio, TX, proprietary method
|
|
Y
|
|
CNEU461
|
10/07/2014
|
|
Analysis
|
SYSTEA-NO3EASYCHEM09
|
EasyChem Methodology for Nitrate by Discrete Analysis, Systea Easy (1-Reagent) Nitrate Method (Colorimetric, Automated, 1 Reagent), February 2009 Revision
|
|
Systea Scientific, LLC, 900 Jorie Blvd, Suite 35, Oak Brook, IL 60523, http://www.easychem.com, February 2009 revision
|
|
Y
|
|
CNEU461
|
06/17/2015
|
|
Analysis
|
TA-SOP8000DRYWT-R8
|
Determination of % Dry Weight for EPA SW-846 Method 8000.
|
|
TestAmerica Labs Inc
|
|
Y
|
|
CNEU461
|
01/12/2017
|
|
Analysis
|
TBE-2015-R4
|
Lead-210 Activity in Various Matrices (Soil and Sediment), Revision 4
|
|
Teledyne Brown Engineering Environmental Services, Huntsville, AL, Revision 4, 10/5/2011
|
|
Y
|
|
CNEU461
|
07/07/2015
|
|
Analysis
|
TBE-CS137-2007
|
Cs-137 Radiochemistry, Teledyne-Brown Engineering SOP, based on EPA 901.1 (Gamma Radiation Detection)
|
|
|
|
Y
|
|
CNEU461
|
05/24/2016
|
|
Analysis
|
TBE-PB210-2015
|
Pb-210 Radiochemistry, Teledyne-Brown Engineering SOP, based on EPA 901.1 (Gamma Radiation Detection)
|
|
|
|
Y
|
|
CNEU461
|
05/24/2016
|
|
Measurement
|
TD10AU-FM
|
Turner Designs 10AU flourometer for continuous or discrete Chlorophyll a, Blue Green Algae, Rhodamine WT, Flourescein, Ammonium, Histamine, CDOM, Oil
|
|
Turner Designs, Inc., 845 W. Maude Ave, Sunnyvale, CA 94085, (877) 316-8049, http://www.turnerdesigns.com
|
|
Y
|
|
CNEU461
|
06/04/2007
|
|
Analysis
|
TDS-CALC-HEM85
|
Total Dissolved Solids (TDS), Calculated, Hem 1985
|
|
Hem, J.D., 1985, Study and interpretation of the chemical characteristics of natural water (3rd Ed.): USGS Water Supply Paper 2254.
|
|
Y
|
|
mbac461
|
08/26/2024
|
|
Measurement
|
TDS-METER
|
Total Dissolved Solids (TDS) by Field Meter.
|
|
|
N
|
Y
|
TDSMETER
|
KKIN461
|
03/15/2024
|
|
Analysis
|
Teasdale1999
|
In situ, High-Resolution Measurement of Dissolved Sulfide Using Diffusive Gradients in Thin Films with Computer-Imaging Densitometry
|
|
Teasdale P.R., Hayward S., Davison W., 1999, In situ, High-Resolution Measurement of Dissolved Sulfide Using Diffusive Gradients in Thin Films with Computer-Imaging Densitometry. Anal Chem. 71(11):2186-91
|
|
Y
|
|
KKIN461
|
12/09/2014
|
|
Collection
|
TedlarBag
|
Tedlar Bag – Air/Gas Grab Sampler
|
|
|
|
Y
|
|
CNEU461
|
03/06/2017
|
|
Measurement
|
TEMP-THERMISTOR
|
Temperature by thermistor
|
|
Generic, technology-based method. Use in place of instrument-specific methods. If you wish, put instrument-specific info in comment field.
|
N
|
Y
|
TEMPTHERM, TEMPTHERMISTOR
|
KKIN461
|
10/20/2025
|
|
Measurement
|
TEMPHG
|
Temperature by Mercury Thermometer
|
|
|
|
Y
|
|
RDAR461
|
03/26/2001
|
|
Measurement
|
TEMPLOGGER
|
Temperature by data logger
|
|
|
|
Y
|
|
RDAR461
|
06/11/2002
|
|
Measurement
|
TEMPTEP
|
Temperature by Triethyl Phosphate Thermometer
|
|
|
|
Y
|
|
CNEU461
|
03/10/2004
|
|
Measurement
|
TEOS-10-DensityCalc
|
Seawater density calculated using the reciprocal of the pressure derivative of the Gibbs function at constant absolute salinity and in situ temperature. In other words, density calculated from conductivity, temperature, and pressure sensor measurements. Calculated using TEOS-10 standard.
|
|
IOC, SCOR and IAPSO, 2010: The international thermodynamic equation of seawater – 2010: Calculation and use of thermodynamic properties, Intergovernmental Oceanographic Commission, Manuals and Guides No. 56, UNESCO, 196 pp.
|
N
|
Y
|
|
CNEU461
|
06/01/2026
|
|
Measurement
|
TEOS-10-DepthCalc
|
Seawater depth is a function of sea pressure and seawater density. The units of measurement are meters. Depth = sea pressure/(density*g) where seawater density is in g/cm3 and sea pressure is in dbar, and g is the acceleration of gravity and equals 9.8 m/s2. Calculated using TEOS-10 standard.
|
|
IOC, SCOR and IAPSO, 2010: The international thermodynamic equation of seawater – 2010: Calculation and use of thermodynamic properties, Intergovernmental Oceanographic Commission, Manuals and Guides No. 56, UNESCO, 196 pp.
|
N
|
Y
|
|
CNEU461
|
06/01/2026
|
|
Measurement
|
TEOS-10-SalinityCalc
|
Absolute Salinity is a modification of Practical Salinity of the PSS-78 standard and using ITS 90, which is the modern standard for temperature. Calculated using TEOS-10 standard.
|
|
IOC, SCOR, and IAPSO (2010), The international thermodynamic equation of seawater – 2010: Calculation and use of thermodynamic properties, Intergovernmental Oceanographic Commission, Manuals and Guides No. 56, UNESCO, 196 pp.
|
N
|
Y
|
|
CNEU461
|
07/01/2026
|
|
Analysis
|
TESL-SOP-3002-3
|
Total Nitrogen by Combustion and Chemiluminescence Detection, Revision 3.0
|
|
City of Tacoma, Washington, Environmental Services Laboratory, Revision 3.0, July 2017.
|
|
Y
|
|
CNEU461
|
06/25/2020
|
|
Analysis
|
TFW-AM9-99-006-Grav
|
Particle/Grain Size Fines by Dry Sieve Gravimetric Method, TFW, 1999.
|
|
Schuett-Hames, D., R. Conrad, A Pleus, and M. McHenry. 1999. TFW Monitoring Program method manual for the salmonid spawning gravel composition survey. Prepared for WADNR under the Timber, Fish, and Wildlife Agreement. TFW-AM9-99-006.
|
N
|
Y
|
|
CNEU461
|
07/06/2023
|
|
Measurement
|
TIDETABLE
|
Derived from Tide Table
|
|
|
|
Y
|
|
CNEU461
|
06/04/2007
|
|
Measurement
|
TRANS-TUBE
|
Transparency tube with Secchi disk or similar
|
|
|
|
Y
|
|
CNEU461
|
03/15/2010
|
|
Measurement
|
Transmissometer
|
Underwater beam transmittance by photoelectric transmissometer, wavelength 650-60 nm, pathlength 25 cm.
|
|
|
|
Y
|
|
CNEU461
|
06/23/2016
|
|
Measurement
|
TRC-CALC
|
Total Residual Chlorine (TRC) by Field Measurement of Manganese+TRC minus Manganese using a Residual Chlorine Meter
|
|
|
|
Y
|
|
mbac461
|
08/26/2024
|
|
Analysis
|
Tritium-EE-GPC
|
Tritium by electrolytic enrichment and gas proportional counting
|
|
Tritium Laboratory, University of Miami, Rosenstiel School of Marine and Atmospheric Science, Division of Marine and Atmospheric Chemistry, 2010
|
|
Y
|
|
CNEU461
|
10/10/2013
|
|
Measurement
|
TURB-FNRM
|
Turbidity, nephelometric, field non-ratio meter (white light, 90 deg detector only)
|
|
|
|
Y
|
|
CNEU461
|
10/05/2004
|
|
Measurement
|
TURB-FRM
|
Turbidity, nephelometric, field ratio meter (white light, 90 deg detector w/correction detectors)
|
|
|
|
Y
|
|
CNEU461
|
10/05/2004
|
|
Measurement
|
TURB-METER
|
Turbidity Meter
|
|
|
N
|
Y
|
TURBM
|
KKIN461
|
10/02/2024
|
|
Measurement
|
TURB-NEPH-780
|
Turbidity by nephelometric field meter, 780 nm infrared light, 90 degree detector, 0-1600 NTU range
|
|
Generic, technology-based method. Use in place of instrument-specific methods. If you wish, put instrument-specific info in comment field.
|
|
Y
|
|
CNEU461
|
03/31/2020
|
|
Analysis
|
TURB-SampleCell
|
Turbidity meter, cuvette style where sample is removed from the environment and poured into sample cell inserted into meter.
|
|
|
N
|
Y
|
|
CNEU461
|
01/13/2026
|
|
Measurement
|
TURB-SENSOR
|
Turbidity sensor or probe used in-situ
|
|
|
N
|
Y
|
|
CNEU461
|
01/13/2026
|
|
Measurement
|
TurbiditySeawater
|
Turbidity by optical backscatter at 700nm with 124 degree detector
|
|
Generic, technology-based method. Use in place of instrument-specific methods. If you wish, put instrument-specific info in comment field.
|
|
Y
|
|
CNEU461
|
06/23/2016
|
|
Analysis
|
TX1005
|
Total Petroleum Hydrocarbons (TPH) Ranges by Gas Chromatography/Flame Ionization Detection (GC/FID), Texas Commission on Environmental Quality, Revision 03, June 2001.
|
|
Texas Commission on Environmental Quality, Austin, TX, Revision 03, June 2001.
|
|
Y
|
|
CNEU461
|
03/25/2020
|
|
Analysis
|
TX1006
|
Aliphatic and Aromatic Hydrocarbon Fractions by Gas Chromatography/Flame Ionization Detection (GC/FID), Texas Commission on Environmental Quality, Draft Revision, May 2000.
|
|
Texas Commission on Environmental Quality, Austin, TX, Draft Revision, May 2000.
|
|
Y
|
|
CNEU461
|
03/25/2020
|
|
Analysis
|
UFA
|
UFA for Pore water extraction
|
Ecology-MEL
|
|
|
Y
|
|
CNEU461
|
04/06/2017
|
|
Analysis
|
uNBOD4.57-CALC
|
Ultimate Nitrogenous Biological Oxygen Demand (uNBOD) calculated by constant 4.57 x TKN (Total Kjeldahl Nitrogen)
|
|
|
N
|
Y
|
|
CNEU461
|
10/19/2023
|
|
Measurement
|
UNESCO83-DensityCalc
|
Seawater density calculated from conductivity, temperature and pressure sensor measurements. For sigma-t, density is reported as a function of temperature and salinity at pressure = 0, minus 1000.
|
|
Fofonoff, N.P. and R.C. Millard Jr.,, 1983. Algorithms for computation of fundamental properties of seawater. UNESCO technical papers in marine science. 44, 53pp.
|
|
Y
|
|
CNEU461
|
08/18/2021
|
|
Measurement
|
UNESCO83-DepthCalc
|
Seawater depth calculated from pressure sensor measurements using UNESCO Technical Papers in Marine Science No. 44 formula. This empirical formula takes compressibility (density) into account. An ocean water column at 0 °C (t = 0) and 35 PSU (s = 35) is assumed. The gravity variation with latitude and pressure is computed. Then, depth is calculated from pressure.
|
|
Fofonoff, N.P. and R.C. Millard Jr.,, 1983. Algorithms for computation of fundamental properties of seawater. UNESCO technical papers in marine science. 44, 53pp.
|
|
Y
|
|
mbac461
|
08/26/2024
|
|
Analysis
|
UNGER86
|
GC Determinations Butyltins in Natural Waters by Flame Photometric Detection of Hexyl Derivatives with Mass Spectrometric Confirmation
|
|
Unger, M. A., MacIntyre, W. G., Greaves, J., and Huggett, R. J.: 1986, GC Determinations of Butyltins in Natural Waters by Flame Photometric Detection of Hexyl Derivatives with Mass Spectrometric Confirmation, Chemosphere 15, 461–470.
|
|
Y
|
|
CNEU461
|
10/17/2007
|
|
Analysis
|
UNH-SOP1.06
|
Water Sample Filtration and Analysis for Total Suspended Solids (TSS, Dried at 90-120 deg C), Chlorophyll and Phaepigments
|
|
U. New Hampshire, Jackson Estuarine Lab SOP 1.06. IN Mueller, C, et al. (eds.) 1992. SOPs and Field Methods Used for Conducting Ecological Risk Assessment Case Studies. Naval Command, Control, and Ocean Surveillance Center, TD 2296, San Diego, CA, 470p.
|
|
Y
|
UNHSOP1.06
|
CNEU461
|
09/29/2016
|
|
Analysis or Measurement
|
UNKNOWN
|
Unknown method - only for historic data or results where the method can't be determined.
|
|
|
N
|
Y
|
|
KKIN461
|
09/04/2024
|
|
Bioassay
|
UNKNOWN-BIOASSAY
|
Unknown bioassay method - only for historic data or results where the method can't be determined.
|
|
|
|
Y
|
|
CNEU461
|
07/07/2010
|
|
1537 records
|