1. Standard Methods for the Examination of Water and Wastewater,2005
2. Standard Test Method for Saturated Density, Moisture-Holding Capacity, and Porosity of Saturated Peat Materials,2017
3. Standard Test Method for Centrifuge Moisture Equivalent of Soils,2017
4. Standard Test for Determining Aerobic Aquatic Biodegradation of Lubricants or Their Components,2018
5. Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in Soil,2018