Published annually in April.
This volume contains 144 standards.
Volume 11.01 is divided into four sections:
- Terminology, Reagents, and the Reporting of Results–defines terminology relating to water, wastewater, reagent water, and fluvial sediment.
- Sampling and Flow Measurement–examines open channel flow measurement, water sampling, and aqueous sampling. Also includes a practice on liquid filtration for comparing particle size in the use of alternative types of particle counters.
- General Properties of Water; and Inorganic Constituents–explores how to assess such properties as pH, turbidity, corrosivity, and specific gravity.
- Inorganic Constituents–demonstrates how to determine inorganic constituents.