The LSPA received notice on October 16, 2023 from MassDEP’s Bureau of Waste Site Cleanup that the updated Compendium of Analytical Methods (CAM) protocols for Trace Metals, WSC-CAM-III A (6010D) and WSC-CAM-III D (6020B), have been posted to MassDEP's website. Also posted are summaries of the significant changes made to the respective existing protocols with these updates.

The effective date for these updated protocols is January 15, 2024. On and after January 15, 2024, any laboratory that is certifying compliance with MassDEP’s CAM protocols for these methods must be complying with these updated protocols.