Variance TWW-2021-LG-00118 to Allow the Generation, Accumulation, and Transport of Treated Wood Waste under Alternate Procedures by South Coast Water District
The Department of Toxic Substances Control (DTSC), pursuant to Section 25143 of the Health and Safety Code and Section 66260.210 of the California Code of Regulations Title 22, has issued a variance to South Coast Water District (CAL000434647) to generate and accumulate treated wood waste on-site. The applicant may transport the treated wood waste generated on-site to an authorized handler or disposal facility The treated wood waste is generated as a result of Tunnel support timber. The variance allows treated wood waste to be managed under procedures different from, but equally protective to human health and the environment to, the provisions of California Health and Safety Code (HSC) Articles 6, 6.5 and 9 of Chapter 6.5 and California Code of Regulations (CCR), Title 22, Division 4.5, Chapters 12, 13, 14, 15, 16, 18, and/or 20. Under the terms and conditions of Variance TWW-2021-LG-00118, South Coast Water District will ensure the treated wood waste will be appropriately managed. Because the variance activities are consistent with operations of a previously approved project, DTSC has prepared an addendum to a previously certified environmental impact report consistent with Public Resources Code 21166 and Title 14 CCR 15162-15164. The variance will expire on September 6, 2021 with possibility of extension for an additional six months. The treated wood waste management activities are part of a larger development project that will result in the location(s) becoming. TWW is being removed from the tunnel as part of the Tunnel Stabilization and Sewer Pipeline Replacement Project.