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California Regional Water Quality Control Board <br /> Central Valley Region �, J <br /> Winston H.Hickox Sacramento Main Office Gray Davis <br /> Secretaryfor Internet Address: bttp://www.swrcb.ca.gov/—rwgcb5 Governor <br /> Environmental 3443 Routier Road,Suite A,Sacramento,California 95827-3003 <br /> Protection Phone(916)255-3000•FAX(916)255-3015 <br /> 1 December 2000 == <br /> 0 <br /> co <br /> Mr. Troung Mai <br /> Environmental Resource Management <br /> 620 Burcut Drive <br /> Sacramento, Ca 95814 <br /> DRAFT SITE INVESTIGATION WORKPLAN,AR CAD Y DISPOSAL SITE, HOLT, SAN <br /> JOA QUIN COUNTY, REPORT REVIEW <br /> On 2 November 2000, the Central Valley Regional Water Quality Control Board Staff(Staff)received <br /> the Draft Site Investigation Work Plan, Arcady Disposal Site, Holt, California, prepared by <br /> Environmental Resource Management. This report was submitted as a requirement of the 19 April 2000 <br /> Board letter issued to the law firm Bright and Brown and to William De Paoli. Upon review, Staff has <br /> deemed this version of the work plan as incomplete. To receive Board approval, the final work plan will <br /> need to expand in detail the data quality objectives for this investigation regarding all water quality <br /> issues. This letter was prepared to convey the Staff's concerns with the presented plan. <br /> Item Location in Work Plan Staff's Comments <br /> # Document <br /> 1. General This Work Plan and all forthcoming <br /> documents related to this case should <br /> include cover letters from the responsible <br /> parties stating their understanding, <br /> concurrence and responsibilities associated <br /> with the submitted document. <br /> 2. Page 2, Three additional organic During your preliminary investigation the <br /> Paragraph 2 constituents (toluene, bromodichloromethane, and chloroform <br /> bromodichloromethane, and were reported at 2 ug/1 and 11 ug/1, <br /> chloroform) were detected in respectively. The CalEPA Cancer Potency <br /> groundwater. Toluene was Factor for drinking water limit for <br /> detected well below the bromodichloromethane is 0.27 ug/1, while <br /> California Maximum the CalEPA Cancer Potency Factor for <br /> Contaminant Levels of 150 drinking water limit for chloroform is 1.1 <br /> ug/1. No chemical specific ug/l. The California Maximum <br /> MCLS are available for the Contaminant Levels are not the only <br /> other constituents regulatory limits used by the Regional Board <br /> when evaluating water quality. <br /> California Environmental Protection Agency <br /> Recycled Paper <br />