Major Auto Shredders and Metal Recyclers in California:
View Metal Shredder Residuals (MSR) in a larger map
Metal Shredder Residuals (MSR)
Metal Shredders: Applying today's science and technology to yesterday's decisions
In the late 1980s and early ‘90s, the California Department of Health Services – the predecessor of the Department of Toxic Substances Control (DTSC) –classified metal shredder residue as non-hazardous waste. This decision was based upon the best science at the time, but much has changed since then: vehicles and appliances and the materials they are made from are different; and technology has changed. These factors prompted DTSC to revisit decisions made more than 20 years ago.
Our goals in this effort are to:
What is DTSC doing?
We have asked the seven active and primary metal-shredding facilities in California to provide a study plan that provides updated information about the composition and characteristics of metal shredder residue currently being generated. We also:
What was the catalyst for revisiting this issue?
When DTSC Director Debbie Raphael was appointed in 2011, she was confronted with decades-old decisions about the management of metal shredder residue. Concerns over the continuing protectiveness and effectiveness of past decisions were raised.
Other considerations: Treated auto shredder residue is one of 11 “alternative daily cover” materials that CalRecycle has approved to be placed on municipal landfills at the end of each operating day. The material helps control fires, odor, blowing litter and scavenging. More information is available here.