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Siskiyou County The remedial action taken place at sacs that have <br /> hydraulic lifts are due to underground tanks or piping <br /> leaks The cleanup has always been per the Regional <br /> Water Quality Control Board in that area. There are <br /> numerous saes under cleanup. Never was there a <br /> mention of hydraulic fluid being considered as part of <br /> the contamination sample for <br /> Solano County NIA <br /> Sonoma County This County does not keep or maintain records <br /> regarding hydraulic lifts. However, we estimated that <br /> F about 10% of our UST facilities have hydraulic lifts. <br /> Stanislaus County 'There have been two HLT leaks that were confined <br /> to the soil zone, but were still a threat to a wale <br /> r <br /> supply. The contamination never reached ground <br /> water because theg round water level was <br /> intermittently deep due to six consecutive drought <br /> years. Had <br /> the two HLTs not been removed and had <br /> there not been extensive over-excavation of the <br /> contaminated soils, the ground water would have been V <br /> �I contaminated as soon as the ground water level rose. <br /> Consequently, in both cases a water supply would <br /> have been directly affected." <br /> Tulare County NIA <br /> Santa Clara Valley "Generally, leaks have only reached ground water <br /> Water Distract [where] the depth to water is very shallow, i.e., less <br /> (LOP) than 10 feet. . . (None of the leaks threatened a <br /> water supply ] Although one to three leaks have been <br /> at sites where there is ongoing unrelated ground water <br /> cleanupaction. These are sites overseen by the San <br /> i <br /> { Francisco Bay Regional Water Board " <br /> 11 <br /> JI� <br /> 1 <br /> 22 <br />