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� MemorandumN-' <br /> r <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD • CENTRAL VALLEY REGION <br /> 3443 Routier Road Phone: (916) 361-5600 <br /> Sacramento, CA 95827-3098 ATSS: 8-495-5600 <br /> TO: Ton Vorster, Senior Engineer FROM: David Brent <br /> Larry Pearson, Area Engineer <br /> Supervising Engineer <br /> DATE:15 July 1987 SIGNATURE: 1 <br /> SUBJECT: GASOLINE SPILL AT CORRAL HOLLOW AND GRANTLINE ROAD, TRACY, <br /> SAN JOAQUIN <br /> On 6 July 1987 I met with the parties involved in the 27 May 1987 <br /> gasoline spill at Corral Hollow and Grant Line Roads. The spill <br /> occurred when a high pressure gasoline transmission line owned <br /> by Chevron Pipeline Company was damaged during the construction <br /> of a sewer line. The purpose of the meeting was to; 1) determine <br /> which involved party was going to complete the cleanup and 2) <br /> define the required cleanup procedures. An attendance sheet is <br /> attached. <br /> It was decided that Pacific Asphalt, the contractor hired by the <br /> developer (Al and Mike Bogetti) would be responsible for <br /> completing cleanup. Chevron Oil, whom had removed contaminated <br /> soils and installed 3 monitoring wells made it known that they <br /> were no longer willing - to assume the cleanup role. This <br /> represents a change in their position, probably brought on by our <br /> letter to Mr. Bogetti stating his responsibility per Porter- <br /> Cologne. Chevron did offer technical support on a limited basis. <br /> I explained to Mr. Bruno (Pacific Asphalt) that the dewatering <br /> well closest to the spill may be sufficient, with some <br /> modifications, as an extraction well. He was told he must have a <br /> pump test done so it can be determined what size pump to use for <br /> the extraction system. I also told him that a registered <br /> engineer must do the cleanup work. He is to have the cleanup <br /> plan prepared and approved by the Regional Board before <br /> proceeding with cleanup. I called Mr. Bruno on 7 July 1987 to <br /> make sure he realized that in order for the cleanup alternative <br /> to be approved it would have to be prepared by a registered <br /> ,,pifessional engineer, preferably with groundwater cleanup <br /> r experience. He said a qualified consultant had already been <br /> contacted about doing the job. <br /> SUMMARY <br /> Pacific Asphalt is assuming responsibility for cleanup. The <br /> groundwater is going to be tested to determine the level of <br /> contamination at the dewatering well. Mr. Bill Silva, City of <br /> Tracy is going to check with Tracy STP management about the <br />