Variance TWW-2021-LG-00326 to Allow the Generation/Accumulation/Transport of Treated Wood Waste under Alternate Procedures by San Francisco Municipal Agency

Summary

SCH Number
2021050065
Public Agency
Department of Toxic Substances Control
Document Title
Variance TWW-2021-LG-00326 to Allow the Generation/Accumulation/Transport of Treated Wood Waste under Alternate Procedures by San Francisco Municipal Agency
Document Type
NOE - Notice of Exemption
Received
Posted
5/4/2021

Document Description
The Department of Toxic Substances Control (DTSC) has issued a variance to San Francisco Municipal Agency (SFMTA) (CAD9820008732) to generate and accumulate treated wood waste on-site. The treated wood waste is generated as a result of the railway replacement. 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-00326, San Francisco Municipal Agency (SFMTA) will ensure the treated wood waste will be appropriately managed. The treated wood waste management activities include replacing the old tie-ballast railway with a direct fixation fastening system over concrete slab. As such, the old wood ties would need to be disposed. Treated wood waste is a fully regulated California-only hazardous waste because it exhibits the hazardous waste characteristic of toxicity. From 2007 to December 31, 2020, treated wood waste was managed under alternative management standards, established in 22 CCR 67386. The legislation that authorized the alternative management standards for treated wood waste expired on December 31, 2020. San Francisco Municipal Agency (SFMTA) is a transit agency, who runs light rail vehicles on railway. Under the variance, the authorized large quantity generator may generate and accumulate treated wood waste on-site. Accumulation of treated wood waste includes taking appropriate precautions to prevent unauthorized access to and prevent leaching to the environment of the treated wood waste. No transportation activities are authorized as a part of this variance. The variance will expire on October 27, 2021 with possibility of extension for an additional six months.

Contact Information
Kahui Lim
Department of Toxic Substances Control
Lead/Public Agency
1001 I Street
Sacramento, CA 95814

Phone : (916) 255-3711
Kahui.Lim@dtsc.ca.gov

Location

Counties
San Francisco
Regions
San Francisco Bay Area
Cross Streets
48th Avenue and Taraval Street, San Francisco, CA 94116

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
CCR Title 14, Sec. 15301
Reasons for Exemption
All analysis conducted included the potential extension of the variance for an additional six months. DTSC has determined none of the exceptions to the categorical exemptions apply to this project, as described in Public Resources Code Section 21084(c), (d), and (e), and 14 CCR Section 15300.2. This project consists of the accumulation and storage of the treated wood waste is consistent with the operation, repair, maintenance, permitting, leasing, licensing, or minor alteration of existing public or private structure, involving negligible or no expansion of existing or former use.

Attachments

Notice of Exemption
NOE_WW-2021-LG-00326_signed   PDF 149 K

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