Res18 15661 - Laserfiche WebLink

Browse Search

Findina: Implementation of Mitigation Measure HAZ-2 would reduce the project -related impact related to the accidental release of hazardous building materials to a less -than -significant level. Facts in Suagort of Findina: This mitigation measure appropriately identifies the requirement of a HBMS, which would include measures for the abatement and disposal of identified hazardous materials and would be required to be reviewed and approved by the City. ImuactHAZ-3: Construction of the proposed project and the project variant could result in potential health risks associated with exposure to VOCs. Mitigation HAZ-3: The project applicant shall include the following in the Regional Water Board approved Response Plan to ensure that potential health risks associated with exposure to VOCs are below established thresholds: Following excavation of impacted soil and backfilling of excavations, soil gas confirmation samples will be collected from: 1) previous sample locations with VOC concentrations greater than appropriate risk thresholds; and 2) the former engine repair facility. An appropriate amount of time (to be indicated in the Response Plan) shall be allowed for soil gas conditions to equilibrate in newly placed fill material prior to the collection of soil gas confirmation samples in areas where fill has been placed. Following excavation and soil vapor confirmation sampling, the potential health risks associated with vapor intrusion shall be recalculated using previous and confirmation soil gas sample results to determine if and where vapor mitigation systems (VMS) would be required per the Response Plan. The project applicant shall provide written approval from the Regional Water Board of the successful implementation of the Response Plan and proposed residential land use to the City prior to issuance of a certificate of occupancy. Finding: Implementation of Mitigation Measure HAZ-3 would reduce the project - related impact to health risks associated with exposure to VOCs to a less -than -significant level. Facts in Support of Findina: This mitigation measure appropriately identifies necessary inclusions in the Response Plan to ensure potential health risks associated with exposure to VOCs are below established thresholds, and requires approval from the Regional Water Board for the successful implementation of the Response Plan. HYDROLOGY AND WATER QUALITY Impact HYD -1: If construction of the proposed project or the project variant results in the reuse of existing contaminated soil or contaminated imported fill materials for use as engineered fill or for surcharging, impacts to water quality could occur. Mitigation HYD -1: Implement Mitigation Measure HAZA Findina: Implementation of Mitigation Measure HAZ-1 would reduce the project - related impacts to water quality to a less -than -significant level. Facts in SuDDort of Findina: Mitigation Measure HAZ-1 appropriately identifies the process for preparation of a Response Plan, the requirements for the activities that shall be ATTY/RESO.0035/CC RESO CERTIFYING FINAL EIR— 1548 MAPLE RESO. NO. 15661 REV: 04-30-18 PR MUFF NO. 601 Page 18 of 49