ARCHIVED REPORTS_XR0006746 CASE 1

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s ri r � rr �r r� r� r rr tr r � �■r it rr r � TAB ANALYTICAL RESULTS - GROUNDWATER (GEOPROBE) Former RINO Service Station, 1001 East Yosemite Avenue, Manteca, California OXYGENATES SAMPLE DATE SAMPLE ETHYL- LOCATION SAMPLED ID TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETRE TAME TBA METHANOL ETHANOL SB-1 09/02/99 SB1-GW 60 ND<0 5 ND<O 5 ND<0 5 ND<O 5 38 ND<O 5 ND<0 5 ND<O 5 ND<5 ND<50 ND<5 SB-2 09/02199 S[32-GW ND<50 ND<O 5 ND<0 5 ND<O 5 ND<O 5 i 89 ND<O 5 ND<0 5 ND<0 5 ND<5 ND<50 ND<5 SB-3 09/02/99 SB3-GW 30,000 48 98 81 47 90 1 ND<3 ND<3 1 ND<3 ND<30 ND<300 ND<30 SB-4 09/02/99 S84-GW 800 45 ND<O 5 11 17 120 N0<05 ND<O 5 ND<O 5 68 ND<50 ND<5 SB-5 09/08199 SB5-GW 950 15 ND<O 5 37 ND<O 5 940 ND<o s ND<O 5 11 48 ND<sa ND<s SB-6 09/08/99 SB6-GW 62,000 230 8,100 3,000 21,000 54 ND<20 ND<20 ND<20 ND<200 ND<50 ND<5 SB-7 09108/99 SB7-GW 1,700 51 39 21 170 [;=ND-10 088 31 ND<50ND<5 SB7-S (SPLIT) 1,900 22 33 12 210 300 ND<5 ND<5 ND<5 ND<50 ND<10,000 ND<10,000 SB-8 09/09/99 S68 GW250 1 1 ND<O 5 ND<0 5 ND<O 5 220 ND<O 5 ND<0 5 12 18 ND<50 ND<5 SB-9 09/09199 SB9-GW ND<50 ND<O 5 ND<O 5 ND<0 5 [�ND<0:5 062 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<50 ND<5 SB-10 1 09/09/99 SB10 GW 5,200 ND<2 ND<2 ND<2 ND<2 91600 38 ND<2 14 180 ND<200 ND<20 SB-11 09/09199 S611-GW ND<50 ND<O 5 ND<O 5 ND<0 5 ND<0 5 ND<O 5 ND<0 5 ND<O 5 1 ND<O 5 1 ND<5 ND<50 _16 NOTES All results are reported in micrograms per liter(ugll) Total Petroleum Hydrocarbons as Diesel(TPH-D)analyzed by Modified EPA Method 8015 Total Petroleum Hydrocarbons as Gasoline(TPH G) benzene toluene ethylbenzene xylenes(BTEX)analyzed by EPA 8260E Oxygenates Methyl-t butyl ether(MTBE) Di isopropyl ether(DIPE) Ethyl t-butyl ether(ETRE) Tert-amyl methyl ether(TAME) Tert-Butanol(TBA) Methanol and Ethanol analyzed by EPA 82608 SB-7S(SPLIT)sample analyzed by CLS Labs TPH-G analyzed by EPA 8015M BTEX by EPA 602 MTBE DIPE ETBE TAME and TBA by EPA 8260 Mod Ethanol and Methanol by GC-FID ND<50=Not Detected at reporting limit of 50 u911 I