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y.. v <br /> Pat Leary 6 August 1991 <br /> RWQCB Page 4 <br /> Client: Exxon Company, U.S.A <br /> 1200 Smith Street, Room 31123 <br /> Houston, Texas 77002-4415 <br /> Contact: Debbie Harris <br /> 9. CEOA/NEPA <br /> An EIR/EIS or a Negative Declaration has not been prepared. <br /> 10. Spill Plan <br /> The spill prevention plan for the treatment system is <br /> described in detail in the attached technical report as part <br /> of the system operating procedure. All treated groundwater <br /> passes through an LEL monitoring tank, where headspace vapor <br /> levels are monitored. If any hydrocarbon vapors are detected, <br /> the entire system is shut down. In addition, periodic <br /> sampling of the effluent is performed according to the <br /> schedule outlined in Appendix D of the attached technical <br /> report. <br /> The entire system will be constructed on a seamless concrete <br /> pad and a berm will provide containment. All underground <br /> piping that transport groundwater will be double contained. <br /> Periodic site monitoring will be provided by technicians. In <br /> addition, either a computer controlled remote or an automatic <br /> dialer will be used to provide an early warning if the system <br /> shuts down. <br /> B. NPDES PERMIT APPLICATION <br /> Effluent Reclamation Feasibility Study <br /> EA has proposed to reinject a major portion of the extracted <br /> groundwater. A total of 28, 800 gpd is expected to be <br /> extracted from the recovery wells. After the water has been <br /> treated, approximately 21, 600 gpd (a maximum of 28, 800 gpd) <br /> may be reinjected. The remaining 7, 200 gpd will have to be <br /> disposed of into the storm sewer system. Among the options <br /> considered for disposing the treated groundwater has been <br /> disposal into the local POTW, use for industry and others. <br />