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eft, <br /> JAN 0 9 14�}� <br /> B R O WN A D ENVIRONMENTAL HEALTH <br /> C A L D W E L L PERMIT/SERVICES <br /> January 3, 1995 <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 Compap- "ARCO) Static-, ?133 located <br /> at 2908 Benjamin Holt Drive in Stockton, California Listed below is a summary of activities <br /> and discharge of groundwater at the site from October 15, 1994, through November 3, 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 /> 11/3/94 Collected effluent water sample for laboratory analysis of total petroleum <br /> hydrocarbons, benzene, ethylbenzene, toluene, and xylenes (hPA Methods <br /> 5030/8015 Modified/8020), and total lead <br /> The total volume of water discharged during the period was 84,000 gallons The average flow <br /> rate during this period (19 days) was approximately 3 1 gallons per minute The average daily <br /> flow was 4,421 gallons k <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 Kork 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 /> 1273\CORRESP\1273DEC RPT <br /> Environmental Engineering Ano Consulting Analytical Services <br /> 9616 MICRON -%%E`LE SLITE 600 S %CROIENTO CA 9) 827 2627 <br /> (916) 4i3 0123 F%r (916) 8)6 X277 <br />