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yY <br /> B R O W N A N D <br /> r C A L D W E L L <br /> JUN 2 3 1994 <br /> ENVIRONMENTAL HEALTH <br /> June 21, 1994 PERMIT/SERVICES <br /> 3,33 <br /> Mr Chuck Carmel <br /> ARCO Products Company <br /> Post Office Box 5811 <br /> San Mateo, California 94402 017-1273-01/1 <br /> Subject First 1994 Quarterly Report for ARCO Station 2133, <br /> 2908 Benjamin Holt Drive, Stockton, California <br /> Dear Mr Carmel <br /> This report presents water level measurements, results of groundwater sampling, and <br /> summarizes the status of the groundwater extraction system (GWES) This work was <br /> performed during the first quarter of 1994 at ARCO Products Company (ARCO) Station 2133 <br /> located at 2908 Benjamin Holt Drive in Stockton, California The field work for the quarterly <br /> groundwater sampling was performed on March 21 and 22, 1994, by Groundwater <br /> Technology, Inc. (GTI) Field work for the operation and maintenance of the GWES was <br /> conducted by Brown and Caldwell This report was prepared under Task Order 2133-94-5 <br /> There is one groundwater extraction well (R) on site There are eleven on-site groundwater <br /> monitoring wells (E-2 through E-6, E-9 through E-12, and MW-1 and MW-2), and six off-site <br /> groundwater monitoring wells (E-7, E-8, PR-1, PR-2, BHD-1, and BHD-2) (Figure 1). In <br /> addition, seven soil vapor extraction wells (V-1 through V-7) and six air spargmg wells (S-1 <br /> through S-6) were installed in October 1993 (also shown on Figure 1 ) All groundwater <br /> monitoring wells were sampled during the quarterly sampling event <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 no additional environmental <br /> contamination beyond that described in this report exists at the site <br /> 127TaF%0RM1ST94Q_rRJU r <br /> Environmental Engmeenng And consulting Analytical Services <br /> 9616 N1IcR0% AtF,Ut P o Box 13449 S 1 C R A M E N T 0 CA 95813 3449 <br /> {9161444 0 12 3 FAX (916) 856 5277 <br />