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able t � y F <br /> Page 2 of 2 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#434 <br /> 501 W Kettleman Ln,Lodi,CA <br /> Well Depth Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO O&G <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) Change(ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) (mg/L) <br /> W-3 1121100 P 4246 5441 -1195 -- <50 <0 50 <0 50 <0 50 <0 50 <2 0 2 3 -- <br /> 4128100 P 5347 -1101 0 94 <50 <0 50 <0 50 <0 50 <0 50 <2 5* 1 21 -- <br /> 9/5100 P 58 02 -1556 -4 55 <50 <0 50 <0 50 <0 50 <0 50 <2 0 5 -- <br /> 12115/00 P 56 41 -1395 1 61 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 123 -- <br /> 3115101 P 5463 -1217 178 <50 0 <0 500 <0 500 <0 500 <0 500 <2 00* 224 -- <br /> 5/11/01 P 5455 -1209 008 <50 0 <0 50 <0 50 <0 50 <0 50 <2 00* 087 -- <br /> 9/12101 P 5992 -1746 -537 <50 <0 50 <0 50 <0 50 <0 50 <2 0* 023 <br /> 12/14/01 P 5787 -1541 205 <50 <0 50 <0 50 <0 50 <0 50 <0 50* 217 — <br /> W-9 1121100 P 4440 5616 -1176 -- <50 <0 50 <0 50 <0 50 <0 50 558 2 5 -- <br /> 4/28/00 P 55 27 -1087 089 <50 <0 50 <0 50 <0 50 <0 50 <2 5* 5 93 <br /> 9/5/00 NP 6003 -15 63 -476 113 <0 50 <0 50 <0 50 707 <2 0 -- 430 <br /> 1111100 P 5938 -1498 065 <50 <0 50 <0 50 <0 50 <0 50 <2 50 -- <5 0(a) <br /> 12/15/00 P 5821 -1381 1 17 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 109 800 <br /> 3/15101 P 56 44 -1204 177 <50 0 <0 500 <0 500 <0 500 <0 500 <2 00* 176 <5 00 <br /> 5111/01 P 5643 -1203 0 01 <50 0 <0 50 <0 50 <0 50 <0 50 <2 00* 3 34 <5 0 <br /> 9112101 P 61 85 -1745 -542 <50 <0 50 <0 50 <0 50 <0 50 <2 0* 428 <5 0 <br /> 12/14/01 P 5967 -15 27 218 <50 <0 50 <0 50 <0 50 <0 50 <0 50* 351 <5 0 <br /> Tnp 5111101 -- -- -- -- <50 0 <0 50 <0 50 <0 50 <0 50 <2 00 -- -- <br /> Blank 9112101 — — — -- <50 <0 50 <0 50 <0 50 <0 50 — — — <br /> 12/14/01 -' — -- — <50 <0 50 <0 50 <0 50 <0 50 — — <br /> Notes <br /> TPHg=Total petroleum hydrocarbons as gasoline <br /> MtBE=Methyl tert-butyl ether <br /> DO=Dissolved oxygen <br /> O&G=Oil&grease <br /> ft=feet <br /> MSL=mean sea level <br /> TOC=top of casing <br /> ppb=parts per billion <br /> mg/L=milligrams per liter <br /> P/NP=purged/not purged <br /> *=analyzed using EPA Method 8260 <br /> <=below given laboratory detection limit <br /> --=not measured or analyzed <br /> (a)=sample analyzed for Total lead using EPA Method 6010 and Chlorinated hydrocarbons using EPA Method 624,analytes reported as nondetectable <br /> ProfectslARGO/434/Aeports/Tableslgwtables434 As <br />