The TDJ Group, Inc. is a manufacturer of proprietary chemicals, which are used to stabilize heavy metal wastes for a wide range of industry, including soil remediation and industrial waste recycling recently prepared a YouTube® video demonstrating the proper method
Regardless of waste type, all of TDJ Chemistries have been performance tested & validated for long-term stability by the U.S. EPA, U.S. Federal Highway Administration and the US Department of Defense.
The video demonstrates the proper sampling method referencing ASTM Standard D75 – Standard Practice for Sampling Aggregates and U.S. EPA Manual SW-846 Compendium, Chapter Nine: Sampling Plans.
The video emphasizes that collecting a single grab sample from a waste pile is insufficient and is not representative. It discusses sampling strategies and equipment.