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1 RAMAGE1D <br /> ENVIRONMENTAL j = Sai:rarfl�nto Office <br /> n nor 14670 Cantova Way, Suite 200 <br /> ItarkE o Murieta, CA 95683 <br /> Tel (916) 354-3250 <br /> Fax (916) 354-3251 <br /> October 16, 1997 <br /> Mr. Harlin Knoll, Sr. R.E.H.S. <br /> San Joaquin County PHS/EHD <br /> 304 East Weber Avenue, 3`d Floor <br /> Stockton, CA 95201-0388 <br /> Re: Recommendations—Environmental Corrective Action Strategy <br /> San Joaquin Catholic Cernettry <br /> Harding Way and Cemetery Lane, Stockton, California <br /> Dear Mr. Knoll: <br /> On behalf of the San Joaquin Catholic Cemetery, Ramage Environmental is pleased to <br /> provide the San Joaquin County Public Health Services Environmental Health Division <br /> (PHSIEHD)with this recommended environmental corrective action strategy for the <br /> above-referenced site. This letter is provided, as you requested during our telephone <br /> conversation on October 1.4, 1997. <br /> Based on significant concentrations of gasoline Hydrocarbons (including MTBE) in soil <br /> and groundwater at the site and given that a vapor extraction well network has been <br /> previously installed and a vapor extraction pilot test previously performed at the site, <br /> Ramage Environmental recommends the following corrective action strategy: <br /> 1. Prepare a Corrective Action Plan (CAP) and design of the selected remedial <br /> alternative as required by the California UST Regulations (Article 11, Chapter 16). A <br /> letter from your office requiring the CAP and design is requested so that pre-approval <br /> for the work can be secured from the UST Cleanup Fund. <br /> 2.. Use the approved final CAP and design as a bid document to obtain at least three bids <br /> for the construction and operation of the selected remedial alternative so that pre- <br /> approval for the work can be secured from the UST Cleanup Fund. <br /> 3. Implement active soil and groundwater remediation at the site in accordance with the <br /> CAP and the UST Cleanup Fund cost guidelines. <br /> To delineate the extent of impacted groundwater and re-establish groundwater monitoring <br /> at the site, Ramage Environmental recommends that two additional groundwater <br /> monitoring wells be installed at the site. The locations of the proposed wells are shown <br /> on the attached site plan. Wells should be installed with a hollow-stem auger drilling rig <br /> and constructed with the same specifications as existing wells VW-1 and VW-2. <br />