Emergency Permit for Management of Hazardous Waste, Watkins Manufacturing, Vista, California

The California Department of Toxic Substances Control has issued an Emergency Permit to Watkins Manufacturing, located in Vista, California, to address an imminent safety risk involving one 55-gallon drum of Methyl Methacrylate. Due to the risk of peroxide formation which could lead to fire or explosion, the permit authorizes Clean Harbors Environmental Services to chemically stabilize the hazardous waste at the Watkins Manufacturing site before it is transported to an authorized treatment, storage, and disposal facility. This action is conducted under the authority of California Code of Regulations Title 22, Division 4.5, Chapter 20, Section 66270.61. The period of performance for this emergency action is from July 31, 2025, to September 29, 2025. Key operational requirements include the establishment of a designated exclusion zone, where only authorized Clean Harbors technicians are permitted to perform treatment activities. Following the expiration of the permit, Watkins Manufacturing is required to submit a signed final report to the Department of Toxic Substances Control within 10 business days, certifying that all residual hazardous waste has been properly managed and the treatment area has been cleared in accordance with regulatory standards.