Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
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Test Method for Determination of Microplastics Particle and Fiber Size, Distribution, Shape, and Concentration in Waters with High to Low Suspended Solids Using a Dynamic Image Particle Size and Shape Analyzer
Standard Guide for Evaluating and Expressing the Uncertainty of Radiochemical Measurements
Standard Practice for Depth Measurement of Surface Water
Standard Test Method for Adenosine Triphosphate (ATP) Content of Microorganisms in Water
Standard Test Method for Determination of Turbidity Below 5 NTU in Static Mode
Standard Test Method for Determination of Pesticides and Polychlorinated Biphenyls (PCBs) in Aqueous Solution by a Tandem Gas Chromatography/Mass Spectrometry/Mass Spectrometry (GC/MS/MS)
Standard Terminology Relating to Water
Standard Practice for Sampling Zooplankton with Pumps
Standard Test Method for On-Line Measurement of Turbidity Below 5 NTU in Water
Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Matrices by Co-solvation followed by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
Standard Practice for the Preparation of Substitute Ocean Water
Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents
Standard Guide for Quality Planning and Field Implementation of a Water Quality Measurement Program
