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File #: 19-887    Version: 1 Name:
Type: Ordinance Status: Passed
File created: 8/6/2019 Departments: PLANNING AND BUILDING
On agenda: 9/17/2019 Final action: 9/17/2019
Title: Adoption of an ordinance adding Section 9218 to Division VII (Building Regulations) of the San Mateo County Ordinance Code to establish regulations for management of building materials containing polychlorinated biphenyls (PCBs) during building demolition in compliance with the Municipal Regional Stormwater Permit, previously introduced on August 6, 2019 and waive the reading of the ordinance in its entirety.
Attachments: 1. 20190917_o_PCB Demo.pdf
Special Notice / Hearing: None__
Vote Required: Majority

To: Honorable Board of Supervisors

From: Steve Monowitz, Community Development Director

Subject: Adoption of an Ordinance amending the San Mateo County Ordinance Code, Division VII (Building Regulations), to require management of PCBs during building demolition projects

RECOMMENDATION:
title
Adoption of an ordinance adding Section 9218 to Division VII (Building Regulations) of the San Mateo County Ordinance Code to establish regulations for management of building materials containing polychlorinated biphenyls (PCBs) during building demolition in compliance with the Municipal Regional Stormwater Permit, previously introduced on August 6, 2019 and waive the reading of the ordinance in its entirety.

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BACKGROUND:
Water quality within the San Francisco Bay Region is regulated by the San Francisco Bay Regional Water Quality Control Board (Regional Water Board). The Regional Water Board's jurisdiction encompasses all or portions of Alameda, Contra Costa, Marin, Napa, Santa Clara, San Francisco, San Mateo, Solano, and Sonoma counties. The Regional Water Board protects water bodies within the region by developing Total Maximum Daily Loads (TMDLs), which are thresholds developed to restore water quality in water bodies impaired by pollutants, such as PCBs. The Regional Water Board has established a TMDL for PCBs in the San Francisco Bay (Bay), and the goals set in this TMDL require a reduction in the amount of PCBs entering the Bay. The Regional Water Board estimates that 20 kilograms per year (kg/year) of PCBs enter the Bay in stormwater runoff, and the TMDL requires that this amount be reduced to 2 kg/year by 2030, a 90% reduction.

In 2015, the Regional Water Board reissued the Municipal Regional Stormwater Permit (MRP), a National Pollutant Discharge Elimination System (NPDES) permit that regulates discharges of stormwater runoff from municipal separate storm sewer systems (MS4s)....

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