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BROWN AND CALDWELL <br /> CONSULTING ENGINEERS <br /> August 29, 1989 <br /> 1<NV��2fiJ1iT l SES�iC SLTI� <br /> P <br /> PAYMENT <br /> RECEIVED <br /> SEP 51989 <br /> Ms. Diane Hinson ENVIRONMENTAL HEALTH <br /> Environmental Health Division PW WITISEWICES <br /> San Joaquin County Public Health Services <br /> 1601 East Hazelton Avenue <br /> Stockton, California 95201 017-3214-01/1 <br /> Subject: Permits for Additional Work at ARCO Station 434, <br /> 501 Kettleman Lane, Lodi <br /> Dear Ms. Hinson: <br /> We received your July 25, 1989 comments regarding Brown and Caldwell's work plan for <br /> ARCO Products Company (ARCO) Station 434, located at 501 Kettleman Lane in Lodi. We <br /> anticipate conducting the drilling and fieldwork in three phases: (1) installation, <br /> replacement/abandonment, and repair of on-site moni oring wells; (2) installation of additional <br /> off-site monitoring wells, and (3) installation of on-site vapor wells. Enclosed are the permit <br /> n" application, permit fee, data release authorization, map showing proposed well locations, and <br /> maps showing nearby underground utilities for the mi-site monitoring well work. <br /> We anticipate the on-site monitoring wells and on-si e vapor wells will be installed this fall. <br /> We are having difficulty obtaining owners' permi sion for two of the proposed off-site <br /> monitoring wells. When we have obtained permissi n for the off-site monitoring wells and <br /> a City of Lodi encroachment permit for a monitoring well near the southeast corner of the <br /> Kettleman Lane and Hutchins Street intersection (as requested by San Joaquin County in the <br /> July 25, 1989 letter), we will schedule the off-site onitoring well work. We pian to issuer. <br /> a Soil Remediation Proposal following the install tion of the on-site vapor wells and*a <br /> omprehensive Problem Assessment Report followinx the installation of the on-site and off- <br /> /Iite monitoring wells (as requested by Mr. Gordon Boggs of the California Regional Water <br /> Quality Control Board, Central Valley Region). <br /> 723 6 STREET SACRAMENTO,CALIFORNIA 95814-7092•(916)444-0123 <br />