Laserfiche WebLink
Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No. 548 <br /> 1612 W. Hammer Lane, Stockton, CA <br /> TOC Depth to Water Level Ethyl- Total <br /> Well Date P! Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) fjuglL) (pg/L) (pglL) (Ng/L) (pglL) (pg1L) (pg1L) (mglL) Comments <br /> VW-5S 12/18/2000 - 11.48 - - -- -- - - -- - -- No FP,No S,No O Not <br /> scheduled for sampling <br /> 3/14/2001 - -- 10.44 - -- - - - - - - -- No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 6/19/2001 -- -- 14.23 -- -- - - - -- - -- - No FP,No S,No O Not <br /> scheduled for sampling <br /> 9/11/2001 - 13.87 - - - -- -- - -- - No FP,No S,No 0 Not <br /> scheduled for sampling <br /> 12/13/2001 _ -- - - - - -- -- - -- - No FP,No S,No O Not <br /> scheduled for sampling <br /> 3/12/2002 NP - 9.75 -- <50 - <0.50 <0.50 <0.50 <0.50 <0.50[2] - No FP,No S,No O <br /> 6/17/2002 NP - 13.07 - 190[3] - <0.50 <0.50 <0.50 6.3 0.53[2] - No FP,No S,No 0 <br /> 9/9/2002 NP -- 12.73 - <50 -- <0.5 <0.5 <0.5 <0.5 <0.5 -- No FP,No S,No O <br /> 12/4/2002 NP - 8.67 -- <50 - <0.5 <0.5 <0.5 <0.5 <0.5 - No FP,No S,No O <br /> 03/03/2003 NP -- 11.04 - <50 -- <0.50 <0.50 <0.50 <0.50 <0.50[2] - <br /> 06/03/2003 NP - 10.88 -- <50 - <0.50 <0.50 <0.50 <0.50 <0.50[2] -- <br /> 09l1812003 -- - -- - -- - - _ _ <br /> Well dry <br /> 12/08/2003 - - -- _ - __ - _ _ -- - Muddy bottom, Dry,Not <br /> Sampled <br /> 03/11/2004 NP - 10.27 -- 21,000 - 170 270 820 8,600 <100 <br /> 05/0312004 NP -- 13.55 - <50 - <0.50 <0.50 <0.50 I <0.50 <0.50[2] <br /> TPHg=Total petroleum hydrocarbons as gasoline(reported as GRO-gasoline range organics in analytical report) <br /> TPI-Id=Total petroleum hydrocarbons as diesel(reported as DRO-diesel range organics in the analytical report) <br /> MtBE-Methyl tert-butyl ether. <br /> TOC=Top of Casing <br /> DO=dissolved oxygen <br /> bgs=below ground surface <br /> msl=mean sea level <br /> pglL=micrograms per liter <br /> mg/L=milligrams per liter <br /> P/NP=purged/not purged <br /> NA-Not analyzed. <br /> <=Below detection limits used by laboratory. <br /> --=not measured or analyzed <br /> Sample designations: <br /> (34)-Discrete sample depth(feet). <br /> FP-free product. S- Sheen. O-Obvious product odor. <br /> '-Raised MRL due to matrix interference. <br /> Report Date:May 17,2004 Page 13 of 14 <br />