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1 <br /> SECOR www secor com <br /> S � � O � INTERNATIONAL <br />' INCORPORATED <br /> West Shaw Ave,Suds 104 <br /> Fres <br /> � Fresno CA 93711 <br /> 559-271-2650 TEL <br /> 559-271-5108 FAX <br />' December 8, 2004 <br /> Mr Harlin Knoll <br /> San Joaquin County Environmental Health Division <br />' 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br />' RE Work Plan for Groundwater Monitoring Well Destruction <br /> Chevron Service Station 9-2396 <br /> 25651 Highway 99 North <br />' Acampo, California <br /> SECOR Project No 77CH 92396 02 <br /> Dear Mr Knoll, <br />' SECOR International Incorporated (SECOR), on behalf of Chevron Environmental Management <br /> Company (Chevron), presents this work plan for the destruction of three groundwater monitoring <br /> wells located at the above-referenced site These monitoring wells were installed to facilitate <br /> quarterly groundwater sampling activities and were last sampled on October 8, 2004 SECOR <br /> proposes the destruction of the monitoring wells <br />�. SITE DESCRIPTION <br /> The site is a former Chevron service station located in a mixed commercial and residential area of <br /> Acampo, California (Figure 1) Former facilities included four steel, single-walled, fuel underground <br /> storage tanks (USTs) (one 10,000-gallon, two 6,000-gallon, and one 3,000-gallon), one steel waste <br /> oil UST (550-gallon), one steel heating oil UST (550-gallon), product line piping and pump islands, <br /> and station building The site is still an active Chevron service station that includes the following <br /> structures three 12,000-gallon gasoline USTs, product line piping and pump islands, and the station <br /> building <br /> PROPOSED SCOPE OF WORK <br /> Proposed activities in this work plan Include the destruction of three monitoring wells (MW-1, MW-2, <br /> and MW-3) The locations of the monitoring wells are shown on Figure 2 Field and laboratory <br /> procedures are presented in Attachment 1 <br /> ISite Specific Health and Safety Plan <br /> In accordance with Occupational Health and Safety Administration (OSHA) Standard "Hazardous <br /> I Waste Operations and Emergency Response" guidelines (29 CFR 1910 120), and by California <br /> Occupational Health and Safety Administration (Cal-OSHA) "Hazardous Waste Operations and <br /> Emergency Response" guidelines (CCR Title 8, Section 5192), SECOR will prepare, a Site-Specific <br /> I Health and Safety Plan for use during fieldwork The field staff and contractors will review, the Site- <br /> Specific Health and Safety Plan before beginning field operations at the site <br /> I <br />