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Oct <br /> — 0 <br /> MECHANICAL CONTRACTORS <br /> 1919 Market Street <br /> REV cP.O.Box 12954 <br /> Oakland,California 94804 <br /> 7 F 46. <br /> ., (415)834-2333 <br /> I I-{ Contractors License No. 184480 <br /> ENVIRONIv��. � � r�' <br /> PERMI'� �;'LRVICES <br /> June 14, 1990 <br /> Arco <br /> P.O. Box 5811 <br /> San Mateo, California 94402 <br /> Attention: Courtland Holman <br /> Reference: Station #595, 6100 North Highway 99, Stockton, California <br /> Work Order #110843 <br /> Dear Courtland, <br /> On May 23, 1990, we precision tested three (3) underground storage tanks using <br /> the "Petro-Tite" system. <br /> The results for the tank tests were as follows: <br /> PRODUCT CAPACITY RESULTS <br /> Supreme 12,000 gallons ALL TANKS HAD <br /> Regular 12,000 gallons RESULTS THAT WERE <br /> Unleaded 12,000 gallons INCONCLUSIVE <br /> The leak rates were not within the NFPA criteria of +_.050 gallons per hour. Please <br /> refer to attached letter to W. F. Lewis Construction for further explanation of <br /> inconclusive test results. <br /> If you have any additional questions or if we can be of further assistance to you, <br /> please call us at (415) 834-2333, extension 3.155. <br /> Very truly yours, <br /> SCOTT CO. OF CALIFORNIA <br /> Michael Schweickert-Start' <br /> Environmental Assistant <br /> MSS:jnj <br /> Enclosure as stated <br />