D932-20 Standard Practice for Filamentous Iron Bacteria in Water and Water-Formed Deposits
D3731-20 Standard Practices for Measurement of Chlorophyll Content of Algae in Surface Waters
D4012-23a Standard Test Method for Adenosine Triphosphate (ATP) Content of Microorganisms in Water
D4412-19 Standard Test Methods for Sulfate-Reducing Bacteria in Water and Water-Formed Deposits
D4994-19 Standard Practice for Recovery of Viruses from Wastewater Sludges
D5246-19 Standard Test Method for Isolation and Enumeration of
D6503-19 Standard Test Method for Enterococci in Water Using Enterolert
D8429-21 Standard Test Method for
E1198-19 Standard Practice for Sampling Zooplankton with Pumps
E1199-19 Standard Practice for Sampling Zooplankton with a Clarke-Bumpus Plankton Sampler
E1200-19 Standard Practice for Preserving Zooplankton Samples
E1201-19 Standard Practice for Sampling Zooplankton with Conical Tow Nets
D4132 Standard Practice for Sampling Phytoplankton with Conical Tow Nets (Withdrawn 2020)
D4132-82(2012) Standard Practice for Sampling Phytoplankton with Conical Tow Nets (Withdrawn 2020)
D4133 Standard Practice for Sampling Phytoplankton with Pumps (Withdrawn 2020)
D4133-82(2012) Standard Practice for Sampling Phytoplankton with Pumps (Withdrawn 2020)
D4135 Standard Practice for Sampling Phytoplankton With Depth-Integrating Samplers (Withdrawn 2020)
D4136 Standard Practice for Sampling Phytoplankton with Water-Sampling Bottles (Withdrawn 2020)
D4137 Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020)
D4137-82(2012) Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020)
D4149 Standard Classification for Sampling Phytoplankton in Surface Waters (Withdrawn 2020)
D4149-82(2012) Standard Classification for Sampling Phytoplankton in Surface Waters (Withdrawn 2020)
D4201-96 Standard Test Method for Coliphages in Water (Withdrawn 2005)
D4249-83(2005) Standard Test Method for Enumeration of Candida albicans in Water (Withdrawn 2013)
D5244-92(2004) Standard Practice for Recovery of Enteroviruses from Waters (Withdrawn 2013)
D6734 Standard Test Method for Low Levels of Coliphages in Water (Withdrawn 2015)
D6734-01(2009) Standard Test Method for Low Levels of Coliphages in Water (Withdrawn 2015)