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<br /> TABLE 2
<br /> Historical Groundwater Monitoring Data
<br /> 7-Eleven Store#17334
<br /> 4501 North Pershing Avenue
<br /> Stockton, California
<br /> reit ft)t� Et�yl= ��5� soivt�
<br /> St�tatiart date
<br /> J]Renzetie tatte r B�rtrce+�e Xyter+a �FH►� #t �Q 8020 82$11 t��t fftpt 'f8>~ fiAt r~ 0 yo
<br /> R St�f Wit~
<br /> Er>o _ g�>�.i _ ti�91 4�t��, _ 4u�1► � 4� ua�.3 4r� 1[2 i � _{t��1t,� fel_ _ f_ �� 1 _�f _
<br /> MW-5A
<br /> 7 22 12129198 10,400 3$,400 41580 26,900 8000 µ- 17,200 <2000 5600 <500 4600 D,a 15 52 000 -Uo
<br /> 02/17/99 4,400 19,000 2,300 17,000 90,000 -- 3,900 4,800 <1000 <250 <250 <250 05 1469 000 -747
<br /> 0211W 7,01 21,100 2,#90 14,000 03,000 - -- %400 <1000 <20 <2$0 <2$0 -0,$ 14��ft 0,00 -7$4
<br /> 08/28/99 6,420 21,700 2,290 14,000 87,600 - 11,800 11,700 <1,000 X250 <250 <250 09 1615 000 -893
<br /> 1112099 7,230 20,900 21,780 1000 1,120,000 T,000 7,580 '5800 <200 <200 <200 1.59 16,10 000 -see
<br /> 02/02/00 3,980 11,600 2,230 10,600 53,100 1,700 1,460 <5001 <125 <125 <125 17 1568 000 -846
<br /> 05116100 7.900q 25 O RO 3 000 1 b 000 ' I U00 .. -• r000 C2,5MI <10p <100 .'<100 4.2 1170 000 . -6 48
<br /> MW-5B
<br /> 746 t212S19$ 3,410 19,800 21810 15,700 63,440: 1,480 <100 <25 �2$ X26 12 15 76 000 -630
<br /> 02117/99 11 240 120 780 5,300 - <5 <5 <20 <5 <5 <5 03 1490 000 -744
<br /> 081211 0 too 214 3$ 21910 81780 - - 30 <100- <4 40 <25 -0,2 1470: 0,00 -7$3
<br /> 08/28/99 259 151 262 286 2,340 - 102 553 <20 <5 <5 <5 10 1131 000 -189
<br /> 1.1124199 92.9 224 397 274 9,260 - 87,7 86.2 22.1. <5 <6 vz5 136 16.30 000 -$.a4
<br /> 02/02/00 483 763 274 105 274 <5 L<{5. <20 <5 <5 <5 17 1588 000 -842
<br /> 1f1 Q _ 1 49 1{f 0 2 rr +'L}� < < 4 $ O,OQ $
<br /> Explanation
<br /> -=Not availableinot sampled TOC=Top of casing elevation(in feet above mean sea level)
<br /> TPH G=Total petroleum hydrocarbons as-gasoline DTW=Depth to water
<br /> MTBE=Methyl-cert butyl-ether SPT=Separate phase hydrocarbon thickness
<br /> TBA=Tertiary Butanol WTE=Water table elevation
<br /> DIPE=Dr-isopropyl ether pg/L=Micrograms per liter
<br /> ETBE=Ethyl tertiary butyl ether mg1L=Milligrams per liter
<br /> TAME=Tertiary amyl methyl ether ND=Not Detected
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<br /> 17334T132 WK4 Page 3 of 3
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