Metals

CASQA has a long history of focusing on true source control solutions for priority metals.

Evaluation of the Magnesium Numeric Action Level (PDF) (April 2020)

Brake Pad Copper Reduction Status Report (PDF) (Dec 2018)

Estimated Urban Runoff Copper Reductions Resulting from Brake Pad Copper Use Restrictions (PDF) (April 2016)

Zinc Sources in California Urban Runoff (PDF) (April 2015)

Brake Pad Copper Reduction – Metrics for Tracking Progress (PDF) (Dec 2014)

CASQA Review of Pyrethroid, Fipronil, and Toxicity Monitoring Data from California Urban Watersheds (PDF) (July 2013)