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� 4r M M = = M M
<br /> TABLE 2
<br /> Historical Groundwater Monitoring Data
<br /> 7-Eleven Store#17334
<br /> 4501 North Pershing Avenue
<br /> Stockton, California
<br /> Well lot Eth14= MTBE Sofa tt T
<br /> El tal4art ate $er+ ne talu ate ftnteno Xy141114 TPH-G TPH-0 802Q 8240 TRA We ETI* TAME 1]xyg�n OTW SST WTD
<br /> Groundwater Grab Samples
<br /> GP3 02/20/97 21 <0 5 <0 5 055 930 -- 1,700 -- -- -- -- -- -- -- -- --
<br /> GP4 02/20/97 9,100 33,000 3,900 24,000 150,0001 100,000 84,000 -- -- __ __
<br /> GP7 02/20/97 <0 5 <0 51 <0 5 <0 5 <501 <5 -- -- -- -- -- -- -- -- --
<br /> Monitoring Well Samples
<br /> MW-1
<br /> 7 34 72119107 4,200 1,100 580 1,5110 45,400 0,900 14,000 <4,000 0,0W O <I,OW 41,000 0 2 16,93 0,00 '1159
<br /> 03/22/98 2,200 3,400 880 3,200 23,000 - -- 11,000 <10,000 <500 <500 <500 02 1430 000 -696
<br /> 0611,50 6,000 7,200 1,730 BoSOOI 62,001 -- 210,,100 <10,000 <500 4500 <500 15 14,43 000 734
<br /> 08/25/98 -- -- --I --I .-I
<br /> Well destroyed 08/14/98 and replaced b MW-5A on 08/25/98
<br /> MW-1A
<br /> 7 26 12119/97 41 88 56 270 2,$00: 280 350 000 <25 <25 <26 0,1 18.88 0,00 -M62
<br /> 03/22/98 15 61 13 65 560 - - 360 <500 <25 <25 <25 02 1423 000 -697
<br /> 06/15198 as 8.9 U4,
<br /> 3.84 6.3 <100: 31 <100 �5 <15 <5 18 1437 000 7,26
<br /> 08/25/98
<br /> Well des tro ed 08/14/98 and replaced by MW-513 on 08/25/98
<br /> MW-2
<br /> 8 64 12119197 <0 5 <0,5 <04 <Gst 290 <50 <6 <$ <24 <6 <5 <5 011 10,139 0,00 .1125
<br /> 03/22198 ND 16 068 27 ND - - <10 <100 <5 <5 <5 02 1525 000 -661
<br /> 06115198 <0 3 <0.3 <0 5 <0 6 <100 <10 <100, 45 <5 <5 2 1 15 48 900 -684
<br /> 08/25198 0 363 1 11 254 129 170 - <5 <50 <5 <5 <5 - 1607 000 -743
<br /> 121'29!9$ <0 3 <0 3 1<0 3 <01$ <50 <5 <20 <5 <5 <$ 16.70 000 -6,06
<br /> 02/17199 <0 5 <0 5 <0 5 <0 5 <50 - <5 <5 <20 <5 <5 <5 12 1584 000 -743
<br /> f05121199 0.71 0.65 <0 3 1.15 <50 4i <5 <20 <5 <5 <5 Orb 15.76 0,00 -712
<br /> 08/28199 <0 3 <0 3 <0 3 <0 6 78 - <5 <5 <20 <5 <5 <5 09 1730 000 -866
<br /> 41/24193 <0.3 <0.3 0.8 0.70 <50 <5 <5 <20 <5 <5 <5 268 1725 000 -661
<br /> 02/02100 <0 3 <0 3 156 215 156 - <5 <5 <20 <5 <5 <5 1 3 1680 000 -816
<br /> 006/00 <0 6 <01.5 <0„5 <1 <100 � w <1 <50 <2 <2 <2 -05 14M 000 -631
<br /> 08/08100 I <0 5 <0 5 <051 <11 <100 <1 <50 <2 <2 <2 05, 1667, 000 -803
<br /> 17334TB2 W K4 Page 1 of 3
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