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• s <br /> Chevron Environmental Penny T.Fourell <br /> ManaS�nt Company Environmental Manager <br /> Property Management <br /> 6001 Bollinger Canyo4 Road <br /> P-O-Box 6012 <br /> San Ramon,CA 94583-012 <br /> Tel(925)842-5216 <br /> Fax(925)942-0213 <br /> February 10,2003 C h ev ro ffexa eo <br /> Transmitted via facsimile: (559)445.5910 <br /> Total Pages=2 <br /> Mr. Shelton Cray <br /> California Regional Water Quality Control Board, <br /> Central Valley Region <br /> 1685 E. Street <br /> Fresno,California 93706-2020 <br /> Soil Disposal Issues:Revised for Clarification <br /> City of Tracy <br /> Westside Channel Outfall Project <br /> Byron Road <br /> Tracy,California <br /> Dear Mr.Gray: <br /> Per your request on January 24,2002, this letter describes Chevron Environmental Management <br /> Company's (ChevronTexaco's) plan for managing petroleum-affected soil generated by City <br /> of Tracy Westside Channel Outfall (WSCO)project construction and excavation activities <br /> along Byron Road where petroleum-affected soil associated with ChevronTexaco's historical <br /> pipelines previously have been encountered. <br /> In cooperation with City of Tracy contractors, soil visually identified as potentially <br /> containing petroleum constituents will be segregated into stockpiles and placed on, and <br /> covered by,plastic sheeting. If necessary,affected soil may be relocated to a nearby location <br /> for temporary storage; relocated soils will be placed on,and covered by plastic sheeting. In <br /> the event that stockpile odor becomes a nuisance problem, ChevronTexaco will implement a <br /> mitigation plan to abate the issue. <br /> Samples of stockpiled soil will be collected to assist in the evaluation of potential <br /> disposal/reuse options. Typically, a three-point composite soil sample will be collected for <br /> every 750 cubic yards of soil. ,Samples will be sent to the laboratory in separate containers <br /> and the laboratory will composite the three samples into one before performing analysis. <br /> Soil samples will be collected following standard environmental protocols. Sample <br /> containers will be labeled, stored in an ice-cooled chest, and transliorted to a California- <br /> certified laboratory,under chain-of-custody procedures. <br /> Soil samples typically will be analyzed for the following constituents: total petroleum <br /> hydrocarbons (TPH) quantified as crude (TPHc) using U.S. Environmental Protection <br /> Agency (EPA)Method 8015M; benzene, toluene, ethylbenzene, and xylenes (BTEX)using <br /> £0/20 ZWON £L:ZL £O. OL/20 2020 292 526 ON�Nd(1S OW3 A9HO <br />