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i <br /> d <br /> r— �lrsJl � <br /> ti <br /> ou <br /> C A L D W E L L :►� <br /> 719 PM 12. 00 <br /> August 28, 1995 <br /> Mr Kyle Christie <br /> ARCO Products Company <br /> 2155 South Bascom Avenue, Suite 202 <br /> Campbell, California 95008 017-2060-0111 <br /> Subject Status of Groundwater Extraction System, ARCO Facility 2I33, <br /> Stockton California <br /> Dear Mr Christie <br /> This letter presents the current status of the groundwater extraction system and the results of <br /> the monthly groundwater discharge sampling event for all constituents listed in the permit for <br /> ARCO Products Company (ARCO) Facility 2133, located at 2908 Benjamin Holt Drive in <br /> Stockton, California Listed below is a summary of activities and discharge of groundwater <br /> at the site from June 12 through July 11, 1995. Table 1 presents a summary of the laboratory <br /> analysis to this reporting period (The complete laboratory report for this reporting period is <br /> included in Attachment A) <br /> 7111195 Collected effluent water sample for laboratory analysts of total petroleum <br /> hydrocarbons (EPA Method 418.1), benzene, ethylbenzene, toluene, and <br /> xylenes (EPA Methods 5030/8015 Modified/8020); total lead, cadmium, <br /> chrormum, copper, nickel, and zinc (EPA Method 200 7). <br /> The total volume of water discharged dunng the period was 92,276 gallons The average flow <br /> rate during this period (29 days)was approximately 2.2 gallons per minute. The average daily <br /> flow was 3,182 gallons. <br /> 206ONcoRRFSP4MY95 RPT <br /> Envrrorvneota!Eogineerrng Anc1 Consulting Analytical Services <br /> 9616 MICRON A% F',LE SUITE 640 SACRAMENTO CA 9 827 2627 <br /> (916) 444 0123 Fax (916) 856 )277 <br />