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<br /> Historical Groundwatergitoring and Analytical Data
<br /> Southland Store#17334
<br /> 4501 North Pershing Avenue
<br /> Stockton, California
<br /> Well IDI Ethyl- MTBE t)Issoltred
<br /> Elevation Date Benzene Toluene Benzene Xylenei TPH-t3 TPH.p Bo20 8260 TBA RIPE FTSE FAME Oxygen DTW $PT WTE
<br /> TOC A n n I n n n f
<br /> Groundwater Grab Samples
<br /> GP3 D2/20/97 21 <0 5 <0 5 0 55 930 - 1,700 - - -- -- -- -- - -- --
<br /> GP4 02/20/97 9,100 33,000 3,900 24 000 150,0001 - 100,000 184,000 -- -- --
<br /> GP7 02/20/97 <0 5 <0 5 <0 5 <0 5 450 <5
<br /> Monitoring Well Samples
<br /> MW-1
<br /> 7 34 12/19/97 1,200 1,100 580 1,500 15,000 «- 9,900 14,000 44,000 41,000 41,000 <1,000 4.16 1893 000 «11,59
<br /> 03/22/98 2,200 3,400 880 3,200 23,000 - -- 11,000 10,000 <500 <500 <500 019 1430 000 -696
<br /> 06/15/98 5,000 7,200 1,700 8,600 52,000 -- 21,000 10,00 4500 <500 <500 150 1443 0.00 7.34
<br /> 08/25/98 - - - - - - - - - - - - - - -
<br /> MWA A
<br /> 7 26 12!19197 41 86 56 270 2,600 280 3150 <100 <25 <26 425 013 1$88 0,00 Al 62
<br /> 03/22/98 15 61 13 65 560 - - 360 <500 <25 <25 <25 022 1423 000 -697
<br /> 06/15198 85 89 0.B4 6.3 <100 - - 31 4100 45 45 <5 180 1437 000 726
<br /> 08/25/98 - - - - - -» - .- - - - -. - -
<br /> MW-2
<br /> 8 64 12/19197 <0 5 <0 5 <0,5 <0 5 290 <gp < <5 <20 <5 <5 <5 0,14 19.89 0,00 -11.2$
<br /> 03/22/98 ND 16 068 27 ND - - <10 <100 <5 <5 <5 017 1525 000 -661
<br /> 06/15/98 <0 3 <0 3 <0 5 <0 6 <100 <10 <100 45 <5 <5 2,10 15,48 0011 -or JT-
<br /> 09/25/98 0 363 1 11 254 129 170 <5 <50 <5 <5 <5 /.o 1607 000 -743
<br /> MW-3
<br /> 7 44 12/19/97 15 19 1.9 099 640 6,6 10 <20 <5 <5 <5 0,25 19,15 0,00 -11.71
<br /> 03/22/98 ND 13 42 32 260 - - 410 4100 <5 <5 <5 040 1457 000 -713 j
<br /> 06/15/98 <3 7.4 43 9.4 2,400 -- - 25 <100 <5 <5 <5 120 1467 000 -7 23'
<br /> 08/25/98 <0 3 <0 3 <0 5 <0 6 X50 -- <5 <50 <5 <5 <5 1685 000 -941
<br /> MW-4
<br /> 6 69 12/19197 5,1 <5 48 6,1 3,500 - 3,000 3,800 <1,000 X50 450 <250 0,12. 16,'x`9 0.00 -12,10
<br /> 03122/98 61 2 75 43 2,600 - - 3,100 <4,000 400 <200 <200 0 21 1418 000 -749
<br /> 06/15198 24 5.4 62 1.3 3,200 - -- 2,700 4,5,00:: 025 <125 <125 190 1417 4 00 -70
<br /> �08/25/981 26 1 47 1 79 29 1 1,800 11 - 11,220 <1250 <125 <125 1 <125JI 11558 1 000 1 -880
<br /> Explanation
<br /> --Not availableinot sampled TOC-Top of casing elevation on feet above mean sea leveD
<br /> TPH-G-Total petroleum hydrocarbons-as-gasoline DTW-Depth to water
<br /> MTBE-Methyl-tart-butyl-ether SPT-Separate-phase hydrocarbon thickness
<br /> TBA-Tertiary Butanol WTE-Water table elevation
<br /> DIPS n DI-isopropyl ether pg,9-Micrograms per Ider
<br /> ETRE.Ethyl-tertiary-butyl ether mgA a Milligrams per liter
<br /> TAME-Tertraryemyl-methyl ether ND-Not Detected
<br /> 17334MZV At4
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