1. Standard Test Method for Total Carbon and Organic Carbon in Water by Ultraviolet, or Persulfate Oxidation, or Both, and Infrared Detection, ASTM D4839-03,2017
2. Standard Specification for Reagent Water,2018
3. Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners, ASTM D5890-19,2019
4. Standard Test Method for Evaluation of Hydraulic Properties of Geosynthetic Clay Liners Permeated with Potentially Incompatible Aqueous Solutions, ASTM D6766-20a,2020
5. Standard Test Methods for Loss on Ignition (LOI) of Solid Combustion Residues, ASTM D7348-21,2021