Laserfiche WebLink
Table 1 <br /> Groundwater Elevation and Analytical Data <br /> Former ARCO Service Station No 4493 <br /> 205 N Center Street, 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) WIL) (pglL) (pg1L) (pglL) (pg1L) (pg/L) (pglL] (mglL) Comments <br /> MW-10M 03/14/2003 P 1076 1612 -536 <50 -- <0 50 <0 50 <0 50 <0 50 <0 50* 22 <br /> 06/09/2003 P 1076 1550 -474 <50 -- <1 0 UJ <1 0 UJ <1 0 UJ <1 0 UJ <1 0* 66 <br /> 09/25/2003 P 1076 1588 -512 <50 -- <10 <1 0 <1 0 <1 0 <1 0* 63 <br /> 12/23/2003 P 1076 1675 -599 <50 — <10 <1 0 <1 0 <1 0 <1 0* 61 <br /> 03/08/2004 P 1076 1559 -483 <50 -- <1 0 <1 0 <1 0 <1 0 <1 0* 66 <br /> MW-11D 12/5/2002 P 1172 20 64 -892 <50 -- <10 <1 0 <1 0 1 1 2 2* 3 2 <br /> 03/14/2003 P 1172 2041 -869 <50 — <0 50 <0 50 <0 50 <0 50 3 5* 32 <br /> 06/09/2003 P 11 72 2033 -861 <50 -- <10 <1 0 <1 0 <1 0 13* 52 <br /> 09/25/2003 P 11 72 2107 -935 <50 — <10 <1 0 <1 0 <1 0 <1 0* 14 <br /> 12/23/2003 P 1172 2147 -975 <50 _ <10 <1 0 <1 0 <1 0 19* 4 3 <br /> 0310812004 P 1172 2033 -861 <50 -- <1 0 <1 0 <1 0 <1 0 14* 5 7 <br /> MW-11M 12/5/2002 P 1176 2042 -866 <50 — <10 <1 0 <1 0 <1 0 55* 41 <br /> 03/14/2003 P 1176 2036 -860 130 — <10 <1 0 <1 0 <1 0 110* 090 <br /> 06/09/2003 P 11 76 2039 -863 <50 - <50 <50 <50 <5 0 130* 1 2 <br /> 09/25/2003 P 11 76 2120 -9 44 65 R -- <50 <50 <5 0 <5 0 150* 080 <br /> 12/23/2003 P 1176 2152 -976 70 R — <10 <1 0 <1 0 <1 0 100* 1 7 <br /> 03/08/2004 P 1176 2040 -864 <50 -- <50 <50 <50 <50 70* 1 5 <br /> MW-120 12/24/2003 P -- 25 24 — 52 — 1 8 17 21 1 6 2 2* 21 <br /> 03/08/2004 P -- 2495 <50 — <1 0 <1 0 <1 0 <1 0 15* 3 8 <br /> QCTB 3/1312002 — — — — <50 — <05 <05 <05 <0 5 -- — <br /> TB-1 12/31/2001 — — — — <50 — <05 <05 <0 5 <0 5 -- -- <br /> TPHg=Total petroleum hydrocarbons as gasoline(reported as GRO-gasoline range organics in analytical report) <br /> TPHd=Total petroleum hydrocarbons as diesel(reported as DRO-diesel range organics in the analytical report) <br /> MtBE=Methyl tert-butyl ether <br /> nln=analyzed using EPA Method 8020/EPA Method 82608 <br /> DO=Dissolved oxygen <br /> TOC=Top of Casing <br /> bgs=below ground surface <br /> msl=mean sea level <br /> pglL=micrograms per liter <br /> mg/L=milligrams per liter <br /> P1NP-purged/not purged <br /> --=not measuredlanalyzed or not applicable <br /> <=below given laboratory detection lima <br /> *=analyzed using EPA Method 8260 <br /> [1]=Sample was reanalyzed past the EPA recommended holding time <br /> Report Date May 10,2004 Page 6 of 7 <br />