Laserfiche WebLink
TABLE 1 <br /> GROUNDWATER MONITORING DATA <br /> ARCO Service Station No.5469 <br /> 130 South Wilson Way, Stockton,California <br /> Elevation Top of Wcll Static Water Groundwater Groundwater. Ethyl- Total <br /> -Well Top of Casing - Screen. _ LeveF Elevation' Flow TPHG Benzene Toluene benzene Xylene MTBErtl <br /> Number Date feet msl feet b s feet b s feet msl) Direction µ /L p L µ L µ IL It L µ /L <br /> MW-10 6/25/01 16.40 59 38.00 -21.60 E-NE NS NS NS NS NS NS <br /> P 6/28/01 16.40 38.18 -21.78 NC <50 . 51 <0.5 <0.5 <0.5 260[2] <br /> P 9114101 16.40 39.64 -23.24 NE 88 4.1 <0.5 <0.5 <0.5 44[2] <br /> P 12/14/01 16.40 40.52 -24.12 NE 77[8] <0.50 <0.50 <0.50 <0.50 35[2] <br /> msl=mean sea level NS=Not sampled <br /> tgs=below ground surface NA=Mot analyzed <br /> µg/L—micrugrams per liter <=Below delection limit for the analytical methods used. <br /> [11 MTHE was analyzed usirig USGPA Method 8020. NC=Not calculated <br /> [2]MTBG was analyzed using USGPA Method 8260. <br /> [3]The value reported exceeds Elie calibration curve,but not.the linear range. - <br /> (41 Chromatogram Pattcrn: Weathered Gasoline C6-C2. <br /> [5]The reportnsglnm for this sample have been raised due to the high level of a target connpourid. <br /> [6]The reporting limit(s)for this sample have been raised due to high levels of non-target inleferents: <br /> [7]Sample was diluted due to high levels of Qenzene. <br /> [81 hydrocarbon pattem is present in the requested fuel quantitation range but does not resemble the pattern of the requested fuel <br /> r. <br /> _ . <br /> ' [9]Sample was reanalyzed past GI'A iei;iimmended holding tithe---- =' •""' T '� - <br /> Arc1)_5469_Quarterly_Data.XLS Delta <br /> 3 of 3 <br />