Standard Test Method for Radium-226 in Water 
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Standard Practice for Sampling Steam
Standard Practice for Calculation and Adjustment of the Stiff and Davis Stability Index for Reverse Osmosis (Withdrawn 2019)
Standard Test Method for Operating Performance of Continuous Electrodeionization Systems on Feeds from 50–1000 μS/cm (Withdrawn 2020)
Standard Test Methods for Chloride Ion In Water (Withdrawn 2021)
Standard Practices for Sampling Water-Formed Deposits
Standard Practices for Identification of Crystalline Compounds in Water-Formed Deposits By X-Ray Diffraction (Withdrawn 2022)
Standard Practice for Analysis of Water-Formed Deposits by Wavelength-Dispersive X-Ray Fluorescence
Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
Standard Practice for Collection of On-Line Composite Samples of Suspended Solids and Ionic Solids in Process Water
Standard Test Methods for Accumulated Deposition in a Steam Generator Tube
Standard Practices for the Measurement of Radioactivity (Withdrawn 2023)
Standard Test Method for On-Line pH Measurement of Water of Low Conductivity
Standard Test Method for Determination of Parent and Alkyl Polycyclic Aromatics in Sediment Pore Water Using Solid-Phase Microextraction and Gas Chromatography/Mass Spectrometry in Selected Ion Monitoring Mode
Standard Test Method for On-Line Measurement of pH (Withdrawn 2023)