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ENVIRONMENTAL HEALTH DEPARTMENT <br /> °PQU. SAN JOAQUIN COUNTY <br /> 2 •G Unit Supervisors <br /> c A ?, Donna K.Heran,R.E.H.S. <br /> Director 304 East Weber Avenue, Third Floor Carl Borgman,R.E.H.S. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> Douglas W.Wilson,R.E.H.S. <br /> • �gC'FORa�P • Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. <br /> Program Manager Fax: (209) 464-0138 Robert McCleilon,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> ELL I S CECCHINI FILE G <br /> CECCHINI CECCHINI & GIOVANNONI <br /> 6 NORTHRIDGE COURT JUN 132005 <br /> ANTIOCH CA 94509 <br /> e <br /> RE: Cherokee Truck (former) SITE CODE: 1800 <br /> 3535 E. Cherokee Road RO#000118 <br /> Stockton, CA. 95205 CUF#: 8109 <br /> WORK PLAN: "Monitoring Well Installation Work Plan" <br /> DATED: May 20, 2005 <br /> PREPARED BY: Eyrene Fisher—AGE Consulting <br /> STATUS: APPROVED, with conditions noted below. <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN N&S <br /> 25296.10, subd(c)(3)1: <br /> • Install two, 2" PVC monitoring wells onsite for ongoing vertical <br /> definition investigation. One is shallow with the screened interval <br /> set from 65' to75' bgs and the other with the screened interval set <br /> from 95' to 105' bgs and, <br /> • Collect and analyze selected soil samples for TPHg and TPHd by <br /> EPA Method 8015m and BTEX, 1,2-DCA, EDB, MtBE and Oxygenates <br /> by EPA Method 8260B and, <br /> • Submit a report of findings to EHD. <br /> COMMENTS AND CONDITIONS: <br /> • Report of Findings is to be in the format of a Site Conceptual Model <br /> (SCM). Cross sections, bore logs, tabulated analytical data, and iso- <br /> concentrations maps for ALL constituents of concern from ALL <br /> subsurface data collected to date are to be included in the SCM. <br /> Conclusions for delineation, mass, migration, and remedial <br /> feasibility are to be based on site-specific data for this site. Cost <br /> estimates and feasibility evaluations for each remedial alternative, as <br /> well as a professional evaluation/discussion of the site are also to be <br /> included in the SCM. Recommendations for further investigation <br /> and/or remedial action alternatives are to be included in the <br /> discussion. <br />