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' Table 1
<br /> Groundwater Elevations and Sample Analytical Results
<br /> Fortner E-Z Serve Location No 100966
<br />�. 2537 Waterloo Road, Stockton, California
<br /> Well Sampling TOC DTW GWEi PSH TPHg B T E X MTBE
<br /> t No Date (feet) (feet) (feet) (feet) (µg/L) (µg/L) _G LE L) (EFL) (µg/L) Gtg/L)
<br /> MW-9 1/29/02 2114 5209 -3095 000 780 12 05 69 26 27
<br /> (Cont) 5/31102 21 14 5222 -3108 000 1,000 63 064 63 425 43
<br /> MW-10 6/7/01 2120 4855 -2735 000 16,000 1,100 430 910 5,100 <250
<br /> I1/6/O12 2120 5571 -3451 000 6,100 350 350 320 1,100 <100
<br /> 1/29/02 2120 5204 -3084 000 7,400 670 290 580 1,071 60
<br /> 5/31/02 21 20 5230 -31 10 000 16,000 750 200 540 389 56
<br /> MW-11 6/7/01 2099 48 12 -27 14 000 1,000 42 22 73 190 70
<br /> 71/6/012 2098 5545 -3447 000 970 10 72 16 46 140
<br /> 1/29/02 2098 51 84 -3086 000 5,000 200 84 500 618 150
<br /> 5/31/02 2098 51 98 -31 00 000 7,200 200 120 430 1,000 190
<br /> MW-12 6/7/01 2082 4801 -2719 000 19,000 6,600 <100 760 1,100 <1,000
<br /> 11/6/012 2082 5527 -3445 000 15,000 4,100 <30 950 1,800 <1,000
<br /> 1/29/02 2082 5172 -3090 000 19,000 3,100 13 500 3,211 350
<br /> 5/31/02 2082 5184 -31 02 000 16,000 3,200 10 120 3,024 330
<br /> VW-1 6/20/97 2059 -- -- -- -- -- -- -- -- --
<br /> 11/19/97 2059 5786 -3727 000 72,000 28,000 5,200 800 5,000 <5 0
<br />' 617/01 2059 48 11 -2752 000 8,100 3,700 75 140 250 <250
<br /> 11/6/012 2059 55 17 -3458 000 10,000 3,800 87 130 410 <1,000
<br /> 1/29/02 2059 5146 -30 87 000 1,100 700 74 270 286 54
<br /> 5/31/02 2059 5166 -31 07 000 5,000 6,800 52 ISO 1,330 200
<br />' VW-2 6/20/97 2095 5250 -31 65 000 -- -- -- -- -- --
<br /> 11/19/97 2085 5927 -3742 000 70,000 27,000 100 700 3,300 <
<br />' 6/7/01 2085 4859 -2774 000 570 71 1 5 28 57
<br /> 11/6/012 2085 5565 -34 80 000 1,100 35 1 8 22 32 87
<br /> 1/29/02 2085 5183 -3098 000 <500 14 24 46 13 1 75
<br /> 5/31/02 2085 5200 -31 15 000 <500 11 081 054 14 100
<br />' VW-3 11/19/97 2102 58 13 -37 11 000 110 22 1 5 < 41 9 1
<br /> 6/7/01 2102 4848 -2746 000 71 <0 5 072 <0 5 <0 5 <5
<br /> I 11/6/012 21 02 5553 -3451 000 72 <0 30 <0 30 <0 30 <0 60 <10
<br /> 1/29/02 2102 5191 -3089 000 <500 <0 5 <0 5 <0 5 <1 5 34
<br /> 5/31/02 21 02 52 10 -31 08 000 <500 <0 50 <0 50 <0 50 <1 5 3 7
<br /> Notes No known groundwater momtonng or sampling was conducted between December 9, 1994 and September 17, 1996 and
<br /> June 7,2001 and November 6,2001
<br /> TOC =Top of casing referenced to City of Stockton Benchmark No 63[elevation=20 87 feet above mean sea level]
<br /> DTW =Depth to water measured from top of casing
<br /> GWE =Groundwater elevation as referenced to benchmark in feet above mean sea level
<br /> PSH =Phase Separate Hydrocarbon thickness
<br /> TPHg =Total Petroleum Hydrocarbons as gasoline(EPA Method 8015)
<br /> 13 =Benzene(EPA Method 602 or 8020111
<br /> T =Toluene(EPA Method 602 or 8020/1)
<br /> E =Ethylbenzene(EPA Method 602 or 8020/1)
<br /> X =Total Xylenes(EPA Method 602 or 8020/1)
<br />' MTBE =Methyl t-Butyl Ether(EPA Method 8020 or 802 1)
<br /> pg/L=Micrograms per liter(--parts per billion)
<br /> <=Sample reported as"not detected,"in previous tables,reporting limit not known
<br /> i =If PSH present,corrected GWE=TOC-Measured DTW+Corrected PSH
<br /> Thickness(PSH Thickness x gas density[0 75 g/cc])
<br /> 2 =MTBE analysis performed by EPA Method 8260 beginning on November 6,2001
<br /> =Not measured,surveyed,sampled,or analyzed
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