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C (DPY <br /> 5T; fArU5 <br /> ENVIRONMENTAL INC 3330 Cameron Park Drive Ste 550 <br /> ��L �$ 30 Cameron Park California 95682 <br /> (530)676-6004-Fax (530)676-6005 <br /> .,aL��r� coax July 14, 2005 <br /> S A RN S K W <br /> HAI. t,R T iMhct No U6100-16-9 <br /> Mr Craig Mitchell <br /> San Joaquin Valley <br /> Air Pollution Control District <br /> 230 Kiernan AYcnac, Suite 130 <br /> Modesto, California 95356-9321 <br /> Re Source Test Report <br /> Authority to Construct (N-5026-2-3) <br /> ARCO Station No 6100 <br /> 25775 South Patterson Pass <br /> Tracy, California <br /> Dear Mr Mitchell <br /> Stratus Environmental, Inc (Stratus) has prepared this letter, on behalf of Atlantic <br /> Richfield Company (ARCO- a BP Affiliated Company), to present the results of source <br /> testing conducted during start-up of a Solleco Equipment LLC, 500 cubic feet per minute <br /> (cfin) soil vapor extraction (SVE) system at ARCO Station No 6100, located at 25775 <br /> South Patterson Pass, Tracy, California (Figure 1) The start-up operations and sampling <br /> were conducted in the presence of San Joaquin Valley Air Pollution Control District <br /> (SJVAPCD) personnel on May 16, 2005 <br /> The construction of the SVE system, consisting of a 40 horsepower (hp) liquid ring <br /> blower and a 500 cfm rated thermal oxidizer, was completed during April 2005, in <br /> accordance with the SJVAPCD Authority to Construct (ATC) dated February 7, 2005 <br /> (Permit No N-5026-2-3 The SVE system was shutdown on May 16, 2005, after <br /> collecting compliance air samples in the presence of SJVAPCD personnel Upon receipt <br /> of the analytical results of air samples collected on May 16, 2005, and complying with <br />' SJVAPCD ATC requirements, the SVE system was re-started for continuous operation <br /> on May 20, 2005 <br /> The operation of the SVE system was initiated by extracting petroleum hydrocarbon <br /> laden soil vapors from wells VW-1, VW-3, VW-4, VW-8, VW-14, MW-2, MW-8, and <br /> MW-9 Soil vapors were extracted using the 40 hp blower and abated in the thermal <br /> oxidizer prior to discharge to the atmosphere Propane was used as supplemental fuel to <br /> maintain operating temperature in the oxidizer Combustion air was also used to <br /> maintain oxygen levels to ensure complete oxidation of extracted petroleum <br /> • hydrocarbons Figure 2 presents the locations of the extraction wells, remediation system <br /> K 113p-Arco for URS161001Aeports\ARCO 6100 Source Test Report_500 cfm doe <br />