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fl • <br /> BROWN AND <br /> C A L D W E L L <br /> November 22, 1994 <br /> Mr Kyle Christie <br /> ARCO Products Company <br /> 2000 Alameda de las Pulgas <br /> Post Office Box 5811 <br /> San Mateo, California 94402 017-1273-01/1 <br /> Subject Status of Groundwater Extraction System, ARCO Station 2133, <br /> Stockton, California <br /> Dear Mr Christie <br /> This letter presents the current status of the groundwater extraction system and the results of <br /> groundwater discharge sampling at ARCO Products Company (ARCO) Station 2133, located <br /> at 2908 Benjanun Holt Drive in Stockton, California Listed below is a summary of activities <br /> and discharge of groundwater at the site from September 15, 1994, through October 14, 1994 <br /> Table I presents a summary of the laboratory analysis in this reporting period (The complete <br /> laboratory report for this reporting period is included in Attachment A) <br /> 10/14/94 Collected effluent water sample for laboratory analysis of total petroleum <br /> hydrocarbons, benzene, ethylbenzene, toluene, and xylenes (EPA Methods <br /> 5030/8015 Modified/8020), and total lead <br /> The total volume of water discharged during the period was 119,570 gallons The average <br /> flow rate during this period (29 days) was approximately 2 9 gallons per minute The average <br /> daily flow was 4,123 gallons <br /> Table 2 presents the average pounds per day of each constituent discharged to the sanitary <br /> sewer The quantity of hydrocarbons being discharged is in compliance with the City of <br /> Stockton Wastewater Discharge Permit issued for this site The constituent quantities were <br /> calculated using the following formula <br /> This report was prepared in accordance with the standards of the environmental consulting industry at the time it was <br /> prepared It should not be relied upon by parties other than those for whom it was prepared and then only to the <br /> extent of the scope of work which was authorized This report does not guarantee that any additional environmental <br /> conditions beyond that described in this report exist at this site <br /> 127MORRESFNI273NOV RPT <br /> Environmental Engineering Ana Consulting Analyticai services <br /> 9616 MICRO% ANE ,LE $LITE 600 $ ICROUNTO CA 9 827 2627 <br /> (916) 444 0123 Fi\ (916) a�6 )277 <br />