SCH Number 2011122037

Project Info

Title

Voices College-Bound Language Academy at Hellyer Elementary School

Description

The Department of Toxic Substances Control (DTSC) has approved a Removal Action Workplan (RAW) for the proposed Voices College-Bound Language Academy (Voices Academy) property pursuant to Education Code section 17213.2 of the California Health & Safety Code. The RAW, which is incorporated by reference, consists of removal activities to address elevated levels of naturally occurring asbestos (NOA) in soil at the Site. The RAW evaluates removal action alternatives and identifies a preferred removal action to accommodate the planned classroom construction. The preferred removal action alternative includes excavation of 2,000 cubic yards (CY) of excess soils, off-Site disposal of this soil at an approved landfill, and import of 150 CY of clean fill material to cap exposed soils after construction. Classrooms and hardscape will serve as a cap for most of the Site. All of the samples were analyzed by transmitting electron microscope (TEM) methods. Chrysotile asbestos was detected using TEM at concentrations exceeding 0.01% (by weight percent) in greater than 25% of the samples which exceeds the Department of Toxic Substances Control's (DTSC) Schools Unit criteria thus requiring mitigation to prevent exposure to NOA.

3 documents in project