|
Category |
Code |
Description |
Source |
Reference |
Low level method |
Active
|
Alias
|
Modified By
|
Modified Date
|
|
Measurement
|
FlowmeterMechanical
|
Flowmeter, mechanical (e.g., turbine, paddlewheel, jet)
|
|
|
|
Y
|
|
CNEU461
|
05/10/2023
|
|
Collection
|
FISH-MULTI
|
Fish collection, multiple methods (see Field Collection Comment).
|
|
|
|
Y
|
|
CNEU461
|
08/09/2021
|
|
Collection
|
COMP-CV-CFVI
|
Composite sample, constant volume/constant flow volume increment. Samples of equal volume are taken at equal increments of flow volume and composited.
|
|
Washington State Department of Ecology SOP ECY002, Standard Operating Procedure for Automatic Sampling for Stormwater Monitoring, V1, September 2009. http://www.ecy.wa.gov/programs/eap/qa/Agency/ECY_SOP_AutomatedSampling_v1_0.pdf
|
|
Y
|
|
CNEU461
|
12/30/2009
|
|
Measurement
|
LTGEM2000
|
Landtec GEM 2000 Portable Infrared Gas Analyzer/Field Meter
|
|
CES-Landtec, Colton, CA 92324, http://www.ces-landtec.com
|
|
Y
|
|
CNEU461
|
06/22/2006
|
|
Collection
|
COMP-CV-QTRPT
|
Composite water sample, constant volume. Samples of equal volume are taken at quarter points of the river cross-section and composited.
|
|
|
|
Y
|
|
CNEU461
|
02/02/2011
|
|
Bioassay
|
ASTM-E1706-95
|
Standard Test Method for Measuring the Toxicity of Sediment-Associated Contaminants with Fresh Water Invertebrates (Historical Method)
|
|
ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA, 19428-2959 USA, 1995. Historical Method.
|
|
Y
|
|
CNEU461
|
04/30/2013
|
|
Measurement
|
DO-CLARK
|
Dissolved Oxygen (DO) by Electrochemical Polarographic (Clark/Beckman) Cell Sensor with Fixed Membrane (Flow Dependent)
|
|
Generic, technology-based method. Use in place of instrument-specific methods. If you wish, put instrument-specific info in comment field.
|
N
|
Y
|
DO-CLARK-BECKMAN
|
CNEU461
|
03/18/2025
|
|
Analysis
|
KCEL-SOP457
|
Anatoxin-a by High Performance Liquid Chromatography with Fluorescence Detector (HPLC-FD)
|
|
King County Environmental Lab, Aquatic Toxicology Section, Seattle, WA, Draft SOP 457, 2009.
|
|
Y
|
|
CNEU461
|
03/02/2011
|
|
Analysis
|
BLIGHDYER59
|
Rapid method of total lipid extraction and purification, Bligh and Dyer, 1959
|
|
Bligh, E.G. and Dyer, W.J. A rapid method of total lipid extraction and
purification. Can. J. Biochem. Physiol. 37: 911-917, 1959.
|
|
Y
|
|
CNEU461
|
05/29/2009
|
|
Preparation
|
DRIEDTISSUE
|
Tissue dried prior to analysis.
|
|
|
|
Y
|
|
CNEU461
|
07/31/2014
|
|
Analysis
|
HASL-300-Pu-05-RC
|
Plutonium in Tissue - Solvent Extraction
|
|
The Procedures Manual of the Environmental Measurements Laboratory (EML), Volumes I & II, 28th Edition, US Department of Energy (DOE) Environmental Measurements Laboratory, Washington, D.C., HASL-300, February 1997
|
N
|
Y
|
Pu-05-RC, USDOE-PU-05-RC
|
CNEU461
|
11/04/2025
|
|
Measurement
|
SalinityMeterCalcCT
|
Salinity by meter, calculated from conductivity and temperature.
|
|
|
N
|
Y
|
|
CNEU461
|
12/19/2024
|
|
Analysis
|
KCEL-SOP604v8
|
Instrumental Analysis for Mercury in Environmental Samples by Cold Vapor Atomic Absorption Spectrometry (incorporates elements of EPA245.1 rev. 3, SW7470, SW7471B and PSEP-MET97).
|
|
King County Environmental Lab, Seattle, WA, SOP 604v8, 03/01/2017.
|
N
|
Y
|
|
CNEU461
|
01/16/2025
|
|
Measurement
|
SWFADCP
|
Streamflow by acoustic doppler current profiler
|
|
|
N
|
Y
|
|
CNEU461
|
04/25/2025
|
|
Analysis
|
Whitledge1981
|
Automated Nutrient Analyses
|
|
Whitledge, T.E., S.C. Malloy, C.J. Patton, and C.D. Wirick, 1981. Automated Nutrient Analyses in Seawater. BNL 51398. Brookhaven National Laboratory, 216 p
|
N
|
Y
|
|
CNEU461
|
07/25/2025
|
|
Analysis
|
DO-WT-CONDISPOTI88
|
Dissolved oxygen (DO) by Winkler titration modified per Carpenter (1965) as described by Condispoti (1898).
|
|
Codispoti, L., One man's advice on the determination of dissolved oxygen in seawater, https://cdn.ioos.noaa.gov/media/2017/12/codispoti1988_oxygenprotocol_a.pdf, 1988. Based on Carpenter, J. H., Limnol. Oceanogr., 10, 135–140, 1965.
|
N
|
Y
|
|
CNEU461
|
08/27/2025
|
|
Analysis
|
pH-R-SEACARB
|
pH calculated by R-seacarb package using dissolved inorganic carbon, total alkalinity, phosphate, temperature, salinity, and pressure inputs and total pH scale (pHT).
|
|
Simone R. Alin, et al.: Seasonality and response of ocean acidification and hypoxia to major environmental anomalies in the southern Salish Sea, North America (2014–2018), Biogeosciences, 21, 1639–1673, 2024. https://doi.org/10.5194/bg-21-1639-2024
|
N
|
Y
|
|
CNEU461
|
08/27/2025
|
|
Analysis
|
OIA 1677-09
|
Available Cyanide by Ligand Exchange and Flow Injection Analysis (FIA), 2010 Revision.
|
|
OI Analytical, College Station, TX; approved by EPA per 40 CFR 136.3(b)(27)(i).
|
N
|
Y
|
|
CNEU461
|
09/22/2025
|
|
Preparation
|
RYDIN2000-AlB-P-Dig
|
Total Phosphorus Digestion (NaOH) of Al-Bound Fraction
|
|
Rydin, Emil, Brian Huser and Eugene B. Welch, 2000. Amount of Phosphorus Inactivated by Alum Treatments in Washington Lakes, Limnology and Oceanography, Vol. 45, No. 1 (Jan., 2000), pp. 226-230 and Psenner, R., et al., 1988.
|
N
|
Y
|
|
CNEU461
|
10/30/2025
|
|
Preparation
|
RYDIN2000-P-FinalDig
|
Total Phosphorus Digestion of Final Extract
|
|
Rydin, Emil, Brian Huser and Eugene B. Welch, 2000. Amount of Phosphorus Inactivated by Alum Treatments in Washington Lakes, Limnology and Oceanography, Vol. 45, No. 1 (Jan., 2000), pp. 226-230 and Psenner, R., et al., 1988.
|
N
|
Y
|
|
CNEU461
|
10/30/2025
|
|
Analysis
|
Kasinak2015
|
Benchtop fluorometry of phycocyanin as a rapid approach for estimating cyanobacterial biovolume.
|
|
Kasinak, J.E., et al., 2015. Benchtop fluorometry of phycocyanin as a rapid approach for estimating cyanobacterial biovolume. J. Plankton Res. (2015) 37(1): 248–257.
|
N
|
Y
|
|
CNEU461
|
11/03/2025
|
|
Analysis
|
HASL-300-Po-02-RC
|
Polonium in Water, Vegetation, Soil, and Air Filters
|
|
The Procedures Manual of the Environmental Measurements Laboratory (EML), Volumes I & II, 28th Edition, US Department of Energy (DOE) Environmental Measurements Laboratory, Washington, D.C., HASL-300, February 1997
|
N
|
Y
|
Po-02-RC, USDOE-Po-02-RC
|
CNEU461
|
11/04/2025
|
|
Measurement
|
TURB-SENSOR
|
Turbidity sensor or probe used in-situ
|
|
|
N
|
Y
|
|
CNEU461
|
01/13/2026
|
|
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
|
|
Preparation
|
QuEChERS
|
Mini-Multiresidue Method for the Extraction of Residues
|
|
Determination of Pesticide Residues Using GC-MS and/or LC-MS/MS Following Acetonitrile Extraction/Partitioning and Clean-up by Dispersive SPE (QuEChERS-method), European prEN 15662
|
N
|
Y
|
|
CNEU461
|
02/12/2026
|
|
Collection
|
Lysimeter-Suction
|
Suction, vacuum, or porous cup lysimeter
|
|
|
N
|
Y
|
|
CNEU461
|
02/12/2026
|
|
Collection
|
Lysimeter-Gravity
|
Gravity, zero-tension, or passive lysimeter
|
|
|
N
|
Y
|
|
CNEU461
|
02/12/2026
|
|
Collection
|
VHG-SW-GW-Piezometer
|
Vertical hydraulic gradient between surface water and groundwater by instream piezometer.
|
|
|
N
|
Y
|
VHG-S-GW-Piezo
|
CNEU461
|
03/12/2026
|
|
Collection
|
PassivePED-LPDE
|
LPDE Polymeric Sampling Device or Polyethylene Device (PED) for passive equilibration sampling over a specific time interval. Typically a sheet of LDPE in a pouch or metal frame or as a strip in lab ex situ testing. See result comments in dataset for specific device configuration.
|
|
|
N
|
Y
|
|
CNEU461
|
03/19/2026
|
|
Collection
|
PassiveSPMD
|
Semi-Permeable Membrane Device (SPMD) for passive accumulation sampling over a specific time interval. Typically a thin walled, lay flat, non-porous, LDPE membrane tubing containing a thin film of lipid. See result comments in dataset for specific device configuration.
|
|
|
N
|
Y
|
|
CNEU461
|
03/19/2026
|
|
1530 records
|