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Table 2 <br /> GROUND WATER ELVATIONS AND SAMPLE ANALYTICAL RESULTS <br /> Rutz Grocery Store _4W <br /> 4491 West Durham Perry Road <br /> Tracy,California <br /> Sample Collection TOC DTW GWE SPH TPHg B T E X MTBE <br /> No Date- (feet) (feet) (feet) (feet) (pg/L)_ _(µg/L) (pg1L) (Fg/L) (Pg/I-) (Ag/L)__ <br /> RW-1 10/19/95 --- 1505 -- 000 18,000 2,000 1,500 370 1,500 1,400 <br /> !2119195 --- 1646 --- --- --- --- --- --- --- --- <br /> I2/20/95(3) --- --- --- 000 220 12 23 <0 5 23 410 <br /> 1/5/96(l) 1679 <br /> 712196 1530 <br /> 10/18/96 --- 1531 --- --- --- --- --- --- --- --- <br /> 8120/98 9907 --- ... --- --- --- --- <br /> Domestic 9/4/91 -— --- 000 <50 <0 5 <0 5 <0 5 <0 5 -- <br /> Well 1!7193 --- -- 000 <50 <0 5 <0 5 <0 5 <0 5 --- <br /> 4/7/93 -- _� 000 <50 <05 <0 5 <0 5 <0 5 --- <br /> 115/1996(1) 000 <50 <05 <0 5 <0 5 <0 5 <5 0 <br /> 712196 --- --- --- 000 <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 10/18/96 --- --- --- 000 <50 <0 5 <0 5 <0 5 <2 0 <5 0 <br /> 1/22197 --- --- --- 000 <50 <0 5 <0 5 <0 5 <2 0 <5 0 <br /> 4/22/97 000 <50 <0 5 <0 5 <0 5 <2 0 <5 0 <br /> 7/24197 --- --- --- 000 <50 <0 5 <0 5 <0 5 <2 0 <5 0 <br /> 11/14/97 --- --- --- 000 <50 12 10 07 <2 0 <5 0 <br /> 1/22198 000 <100 <0 5 <0 5 <0 5 <1 5 <5 0 <br /> 5/12/98 000 <50 <0 5 <0 5 <0 5 <0 5 <5 0(5) <br /> 8/20/98 --- --- --- 000 <50 <0 5 <0 5 <0 5 <0 5 <5 0(5) <br /> 1114198 --- --- -` 000 <50 <0 5 <0 5 <0 5 5 <5 (5) <br /> 313199 000 <50 <0 5 <0 5 <0 5 l 1 5 <55 0 <br /> 5113/99 000 <50 <0 5 <0 5 <0 5 <0 5 <0 5 <br /> HP-1 10120/93 --- --- 000 <50 <0 3 <0 3 <0 3 <0 3 --- <br /> HP-2 10/20/93 000 <50 <0 3 <0 3 <0 3 <0 3 <br /> 14P-3 10/20/93 - --- --- 000 <50 <0 3 <0 3 <0 3 <0 3 --- <br /> HP-4 10120/93 --- --- --- 000 <50 <0 3 <0 3 <0 3 <0 3 --- <br /> HP-5 10/20/93 --- _- _- 000 <50 <0 3 <0 3 <0 3 <0 3 --- <br /> HP-6 10/20/93 000 <50 <0 3 <0 3 <0 3 <0 3 <br /> of Top of casing referenced to mean sea level <br /> TOC Depth to water <br /> DTW Ground water elevation(corrected for presence of SPH,if applicable) <br /> GWE Separate-phase hydrocarbons <br /> SPH Total petroleum hydrocarbons as gasoline by EPA Method 8015(CA LUFT modified) <br />' TPHg Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020(CA LUFT modified) <br /> BTEX Methyl tertiary butyl ether by EPA Method 8020 through 1122198,EPA Method 8260 thereafter <br /> MTBE Not detected in concentrations exceeding the indicated method detection limit <br />' <50 Not tested/measured <br /> Micrograms per liter <br /> µg/l, Samples unpreserved and 7 day holding period exceeded,samples analyzed 13 days after collection <br /> (1) MTBE by EPA Method 8260= 1,300 pg/L <br />' (2) Water sample collected from RW-1 after approximately 18 hours of pumping at 5 gpm <br /> (3) In addition to MTBE,39 pg/L of tert-Butanol was detected by Method 8260 <br /> (4) All other fuel oxygenates were not present in concentrations exceeding method detection limits the sample <br /> (5) Additional fuel oxygenates(ETBE,TBA,DIPS,TAME)were not detected in concentrations <br /> exceeding method detection limits by EPA Method 8240 or 8260 <br /> f <br />' Page 4 of 4 <br />