Laserfiche WebLink
APage 13 of 13 T <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station 02093 <br /> 3425 Tracy Blvd,Tracy Calrfomia <br /> Floating <br /> Well {Depth product Groundwater Groundwater Tota) <br /> Date Elevation to Water thickness Elevation Elevation Change TPH-G Benzene Toluene Ethylbenzene Xylenes MTBE DO <br /> Sampled (feet MSL) (feet TOC) In feet (feet MSL) (feet) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mgl) <br /> SMW-1 10!7194 5024 1286 3738 3738 2,200 250 110 CO 5 360 <br /> _ <br /> 12/16/94 1254 — 3770 032 5200 740 210 330 600 <br /> 2128195 1240 — 3784 014 8,300 1000 330 450 790 — <br /> 4126195 1271 — 3753 -031 5100 470 110 270 480 _ — <br /> 7/27195 1300 3724 -029 7 400 410 42 360 630 <br /> 10/26/95 (c) 1303 — — — <br /> 10/27/95 — — -- -- 7 600 640 33 440 410 » — <br /> 2/12196 1200 — — — 3 800 390 <0 5 220 98 — <br /> 4/18/96 1258 — — -- 500 60 <0 5 20 74 <br /> 7118196 1285 — — -- 3 400 200 <5 130 56 60 -- <br /> 11/15/96 1340 — — 2 500 180 <2 5 62 21 590 <br /> 3114197 NP 1335 » — — 1 700 130 <0 5 <0 5 <0 5 230 013 <br /> 614/97 NP 1273 — — 520 36 31 14 15 47 005 <br /> B/11/97 .- — <br /> 11/17/97 NP 1296 -- — <5D <0 5 CO 5 <0 5 CO 5 290 » <br /> 3!30198 NP 1215 — — -- 910 46 <0 5 <0 5 1 1 110 16 <br /> 6125/98 NP 1270 -- — — 692 0 666 <0 5 <0 5 <0 5 765 1 6 <br /> 9/11198 NP 12 90 -- — — <50 <0 5 <0 5 <0 5 <0 5 290 17 <br /> 12/15/98 _ _ <br /> Well no longer monitored or sampled <br /> TEX 1 10/26/95 (c) 1286 -- — — <350 <5 <0 5 <0 5 <0 5 — <br /> 2/12/96 1090 — <br /> 4118/96 1135 — — — <50 <0 5 <0 5 CO 5 <0 5 » <br /> 7118196 1152 — <br /> 11/15/96 1230 — <br /> 3/14/97 _ _ <br /> 6/4197 <br /> 8111/97 <br /> 3/30198 1100 <br /> 5125/98 100 <br /> 9/11198 _ <br /> 12/15/98 1147 » — — — — — 01 <br /> =Indicates not measured or sampled a elevations corrected to an arbitrary a um based on a <br /> TPH-G =Total Petroleum Hydrocarbons as Gasoline temporary on site benchmark with an assigned elevation of 50 feet. <br /> TOC =Top of Casing (b)Corrected water level elevation value(Wc=Wlm+(b)(p)) where WL--water level <br /> MSL =Mean Sea Level elevation corrected WIm=water level elevation measured,b--hydrocarbon thickness(feet) <br /> MTBE =Methyl Tertiary Butyl Ether try EPA Method 8020 p=specific gravity(0 7)of hydrocarbon <br /> P =Wells purged pnor to sample collection (c)Top of well casing altered Well casing has not been resurveyed Water level measured <br /> NP =Wells not purged prior to sample collodion from the highest point of well casing <br /> MtBE confrimatron analytical results(by EPA 8260) <br /> DO - Dissolved Oxygen <br /> 7G600-026-002/GW Tables <br />