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Tas
<br /> Historical Groundwater Monitoring Data
<br /> 7-Eleven Store No 20632
<br /> 4627 DaVinci Drive
<br /> Stockton,California
<br /> Well
<br /> " _ Ethyl- _ MTBE MTBE _ Dissolved
<br /> IDIElevation Benzene Toluene, Benzene Xylene ;TPH-G 8020 r ;8260 TBA DIPS ETES€ TAME Oirygen DTW SPT WTE
<br /> Date (PgIL), (pg�-1 (NOW",�_° {R9«1� ,(N91 )___{I?gl�),=�(pg1L)_��[f!9f�1 (09!1.1 [fa91L)� (N9«1 _ N(!m91L1_ (feet) ,(fleet} {feet)
<br /> _
<br /> [G un --
<br /> GP-1 02/21/97 390 700 370 2,100 16,000 16,000
<br /> GP-6 02!21197 110 12 39 310' 2,800 1,$flfl --
<br /> GP-7 02121/97 34 6 5 26 110 440 68 —
<br /> T GP-8 02721/97 _<0 50 <0 50 <0 50 W 094 <50 _ 1,600 670 — — _
<br /> GP-9 02121197 <050 <0 50 <0 50 11
<br /> 050 <5 0 — — _ r
<br /> GP-10_ _ 02121197 -�0 50 <0 50 <0 50-, _70-50-
<br /> —
<br /> Monitoring 11 Samples
<br /> MW-1l 1- _ _ _ -- 713 0 00 -540
<br /> 1 73 10117/97 6 5 <0 5 <0 5 1.3 61 16 _ 13
<br /> 03/22/98 ND ND ND 0 76 ND -- 47 ND ND ND ND 0 4 5 35 0 01, -3 62
<br /> 06115/98 <0 3 <0 3 <0 5 <0 6 0100 - <10 <100 <5 <5 1 8 555 000 -382
<br /> <5 <5 <5 6 29 0 00 -4 56
<br /> 08/25/98 00 3 <0 3 <0 5 <0 6E<50 fl.8,
<br /> <5 050 < <5 <5 04 660 000 -487
<br /> 12129/98 <0 3 <0 3_ <03 <06 <5 <20 502/17/99 <05 <0 5 <05 <0 5 86 <2 <5 <5 <5 05 490 000 -317
<br /> < <0 S <5 <20 <5 <5 <5 10 605 0 00 -432
<br /> 05/21/99 <0 3_ <0 3 0 3 020 <5 <5 <5 09 680 000 -507
<br /> 08/28/99 <0 3 <0 3 <03 <06 <50 6 6 64
<br /> 020 <5 <5 <5 10 660 000 -487
<br /> 11/24/99 0 91 3 76` 2 41 - 688 259 <5 <5 020 <5 <5 <5 1 0 5 49 0 00 -3 76
<br /> 02102/00 <0 3 <03 <0 3 <06 <50 <5 211 <2 0 7 5 49 0 00 -3 76
<br /> 7 0100 -- 16 050 <2 <2
<br /> 05/16/00 <0 5 E<OO <0 5 1
<br /> 08/08/00 05 <0 5 <i <100 -- 12 <50 <2 <2 <2 0 4 6 47 0 00 74
<br /> !9!15100 0.81 <0 5 <0 5 1 5
<br /> 0100 - 76 050 <2 <2 ,F <2 0 5 5 85 0 00 -412
<br /> MW-2-2 < <0 5 440 1,800, 2,300 -- - -- -- 837 000 -555
<br /> 282 10/17/97 X05 005 05 _
<br /> 03/22/98 ND ND ND fl 78 ND - 2,000 ND ND ND ND 0 2 6 61 0 00 -3 79
<br /> <0 3 W <0 3 <0 5 v 00`6_, 13,390 - X1;600 <2,000 <100 0100", �` 0100 1 5 6 84 0 OD -4 02
<br /> 06115198 < <200 - 770 000 -488
<br /> 08125/98 0 6 <0 3 <0 5 <0 6 1,550 - 1,610 02,000 0200 200
<br /> <0 3 <0 3 <0 3 <0 6 W _2,130 - 18,280 - 0800 , -<200, �2a0�, ;<2,000, 0 4 7 76 0 00 -4 94
<br /> 12129/98 <1,000 <250 <250 0250 09 613 000 -3 31
<br /> 02!17199 <0 5 <05 <0 5 <05 770 3,300 4,900
<br /> <1 5' __ <3_-="7,180 -- - 5,34Q `<400 <100 r<,100�110100 08 7 37 3 000
<br /> -4 55
<br /> 05/21199 _ 3 85 <1 5 0800 7200 <200 <200 0 8 7 95 0 00 -513
<br /> 08128/99L03
<br /> 0 3 <03 <0 3 <06 2,100 -- 5,130
<br /> <0 3, �1 T7, 3,490 5,830,j7;460 0$00 0200 0200 0200 1 8 7 85 0 00 -5 03
<br /> '11124199 4 2.883 - 010 <10 <10 1 0 6 95 0 00 13
<br /> 02102/00 <0 3 70 3 <0 6 2,010 4,000 407 2,090
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