Laserfiche WebLink
r <br /> • Petroleum Hydrocarbons as diesel (TPHd), Total Petroleum Hydrocarbons as gasoline <br /> (TPHg), Benzene, Toluene, Ethyl benzene and Xylene (BTEX), Lead scavengers (1,2- <br /> DCA and EDB), and Oxygenates including Ethanol and Methanol Samples were <br /> analyzed by Klff Analytical of Davis, California, a Department of Health Services <br /> (DHS)-certified laboratory. <br /> 3.0 LABORATORY ANALYTICAL RESULTS <br /> r <br /> The highest detection of MTBE encountered was 340 ppb found in MW-2, located <br /> northeast of the former tank pit on the northern boundary of the subject property The <br /> second highest detection of MTBE was 200 ppb found in groundwater monitoring well <br /> MW-3 located east of the former tank pit on the northern boundary of the subject <br /> 1 property TAME was also detected in wells MW-2 and MW-3 The following table <br /> shows the detections in this monitoring event and the previous monitoring events <br /> TPH as diesel was detected in MW-1, at a level of 100 ppb and in MW-4, at a level of <br /> 180 ppb <br /> TABLE I <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS <br /> TOTAL PETROLEUM HYDROCARBONS BTEX and MTBE <br /> ALL RESULTS ARE IN ug/L <br /> (Bold designates most recent measurements) <br /> 1 <br /> MomoonE C>zte TOT'ALPETROkNS ,11OMATICVOLA'UttORGANIC AND OXYGENATES <br /> WNl Gdkcrea HYSkOCh 11 <br /> GASOLINE DFESEL 6ENvUsr TOLUENE ETM XYLENE TAME T004114tw" MTAE F 2 ACA <br /> BENZENE Maws! and EDB <br /> Machu d <br /> MW-1 2/12/00 440 120 3 1 ND 051 110 16 170 240 MTBE NO <br /> I <br /> 4/28/00 ND ND NO ND NDND 25 610 2,800 MTBE ND <br /> 9/20/00 ND ND ND ND NO ND 10 16 160 MTBE NO <br /> 12/27/00 ND NO NO NO NO NO 063 ND 150 MTBE ND <br /> 7130101 NO 1.100 NO NO NO ND NO ND 40 MTBE ND <br />(t <br /> MW-2 2112100 NO NO ND ND END <br /> ND 150 130 1,800 MTBE NO <br /> 4/28/00 NO 64 NO ND ND 16 84 290 MTBE ND <br /> 9/20100 ND ND NO ND NO 73 28 980 MTBE ND <br /> E <br /> 7/00 ND ND ND ND ND 44 ND 720MT8E NO <br /> /01 ND NO NO NO NO 1.1 NO 340 MTBE ND <br /> MW-3 2/12100 ND ND NDNO ND NO NO NO T6MTBE ND <br /> 4/28/00 NO 140 NO ND ND NO ND NO 43 MTBE ND <br /> 9/20!00 ND ND ND ND ND ND NO ND 15MTBE ND <br /> Ethanol 5 1 <br /> AOL Avalon Environmental Consultants <br /> Joe's Truck Plaza Protect#9627-001-7 <br /> 15600 South Harlan Road <br /> August 16, 2001 2 Lathrop, California <br />