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�p <br /> �w <br /> B R O W N A N D <br /> C A L D W E L L <br /> May 15, 1995 <br /> Mr Kyle Christie <br /> ARCO Products Company <br /> 2155 South Bascom Avenue, Suite 202 <br /> Campbell, California 95008 017-2065-0111 <br /> Subject First 1995 Quarterly Report for ARCO Facility 434 <br /> 501 Kettleman Lane, Lodi, California Site Code 1341 <br /> Dear Mr Christie <br /> This report presents water-level measurements and results of groundwater sampling, and <br /> summarizes the progress of remediation operations for the first quarter of 1995 at ARCO <br /> Products Company (ARCO) Facility 434 Facility 434 is located at 501 Kettleman Lane in <br /> Lodi, California Fieldwork was performed by EMCON Associates (EMCON) on <br /> March 2, 1995 Remediation system data were collected by Brown and Caldwell personnel <br /> This report was prepared under Task Order 434-95-5 <br /> There are six on-site monitoring wells (W-IA, W-2, W-2A, W-2B, W-3, and W-9) and eight <br /> off-site monitoring wells (W-4 through W-8, and W-10 through W-12) as shown on Figure 1 <br /> In addition, there are eight soil vapor extraction wells (VE-1 through VE-8) on site <br /> Monitoring well W-6 could not be located by EMCON field personnel on March 2, 1995 <br /> Brown and Caldwell personnel conducted a site visit on March 7, 1995 with a licensed <br /> surveyor in an attempt to locate the well The well was not found During March, 1995, <br /> Krazan and Associates conducted a geophysical survey (ground penetrating radar) and located <br /> the well It appears that activities associated with the demolition of the American Savings <br /> Bank and construction of the Boston Chicken restaurant building may have demolished the <br /> well box and the top of the well casing The well will be destroyed according to State of <br /> California water well standards (Bulletin 74-90) in the second quarter of 1995. <br /> Field and Analytical Methods <br /> EMCON personnel measured depth-to-water and product thickness (when present), purged <br /> each well to be sampled, and collected groundwater samples at the site All groundwater <br /> monitoring wells were sampled except W-4, which was dry Depth-to-water measurements <br /> and a check for free product were made prior to purging <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 /> t 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 /> Environmental Engineering And Consulting Analytical Services <br /> 9616 M1cRov AL EhI,E $LITE 600 SACRi,LiEVTq CA 95827 2627 2055\REP RTS\1ST95gM1ZP1r <br /> (916) 444 0123 FAX M6) 856 5277 <br />