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Advanced <br /> GeoEnvironmental, Inc . _--- ' <br /> of Nort/tNrn <br /> 19 March 1997 <br /> AGE-ITC Project No. 95-0103 <br /> Mr. Russell Chapin <br /> CHAPIN BROS. <br /> 1203 North Carlton Avenue <br /> Stockton, California 95203 <br /> Subject: Status of Extraction Unit and Sparging System Setup <br /> CHAPIN BROS., INC. <br /> 1766 Monte Diablo Avenue, Stockton, California <br /> Dear Mr. Chapin: <br /> The following is an update for the setup of a soil extraction (SVE) and in-situ air sparging (IAS) <br /> system at the referenced site: <br /> • On 04 March 1997, a King, Buck/Hasstech (KBH) catalytic oxidation system (soil vapor <br /> extraction system) was delivered to the site by VPS, Inc. It is our understanding that the <br /> extraction system was supplied to you by the Underground Storage Tank Cleanup Fund. <br /> • The unit arrived in good condition with no visible exterior damage. However, after an <br /> interior inspection, several internal metal braces were discovered to have come loose during <br /> transportation. Also,several coil-iection sleeves for natural gas input were missing or broken. <br /> • After inspection of the unit, AGE contacted KBH. According to KBH personnel, the unit <br /> delivered to the site was constructed in 1990 and was the 32nd unit constructed by KBH. <br /> • Replacement parts for all missing or broken items Nvere purchased and are presently being <br /> installed. <br /> • On 12 March 1997, the natural gas line was extended and comnected to the SVE unit. <br /> • On 17 March 1997, installation of the necessary electrical power source was initiated. <br /> However, testing of the electrical source cannot be completed until final installation of the <br /> natural gas line. Final gas line installation is scheduled for 21 March 1997. <br /> • The EnvioSparge IAS system was delivered to the site on 19 March 1997. The EnviroSparge <br /> system will be connected to the existing sparging point piping. <br /> • We anticipate startup procedures for both units to commence on 25 March 1997. <br /> 1803 West March Lane, Suite A, Stockton,California 95207 <br /> Telephone(209)956-0264 FAX(209)956-0700 <br />