ARCHIVED REPORTS_XR0011968 - Laserfiche WebLink

Home Browse Search

Table A-Historical Groundwater Monitoring Data 13 T E X MTBE Other TPH-G TPH-D, Oxygenates K,MO Ground Water D"TW Detection limits: 0.5 0.5 0.5 1.0 0.5 0.5-13 50 50-500 Elevation Monitor Well(TOC) DATE µg/L ytg/L ug/L µn,/L Ng/L µg/L pVL EIgIL MW-3(17.42) 12/18101 <0-5 0.6 <0,5 <1-0 <0.5 ND <50 ND 3756 -20.14 6128/02 <0.5 <015 <05 <1.0 <0.5 ND <50 ND 37.16 -19.74 9111/02 <0.5 <0.5 <05 <1.0 <0.5 ND <50 ND 39.04 -21.62 MW-2(17.59) 12/18101 0.5 1.0 <0.5 <t-0 <0.5 4.3(1,2-DCA) 150 ND 37,64 -20.05 { 6/28102 <0.5 <0.5 <0.5 <1 0 <0.5 3.3(1,2-DCA) <50 ND 37.38 -19,79 9/11/02 <0.5 0.5 <0.5 <1.0 <0.5 2.5(1,2-DCA) 10 ND 39.30 -21.71 MW-3(17.16) 12!18/01 2.8 1,5 1.6 4.5 °82 714(T-BUT) 210 ND 37.38 -20.22 ( DCA) 6128102 4.7 1,3 3.7 4,6 - 190 93(1,2-DCA) 480 ND 37.02 -19.86 9/11102 5,0 0.7 5.5 4.9 -160 74(1,2-DCA) 680 350• 38.92 -21.76 PH-D All Measurements Are In Feet-Elevations Are In Feet Above Mean Sea Level. TOC=top of casing. Units: µglL=parts per billion mg/L=parts per million Analytical: BTEX=benzene,toluene,ethyl benzene,total Xylenes TPH-G=total petroleum hydrocarbons,quantified as gasoline TPH-D,K,MO=total petroleum hydrocarbons quantified as diesel(D),kerosene(K),or motor oil(MO) MTBE=methyl tert-butyl ether Other oxygenates include tertiary-butanol (T-BUT), di-isopropyl ether (DIPS), ethyl tertiary butyl ether (ETRE), tertiary-amyl methyl ether (TAME), 1,2-Dichloroethane (1,2-DCA), 1,2-Dibromoethane, and.ethanol. See laboratory results for detection limits of individual compounds ND=not detected at or above the laboratory reported detection limits the sample chromatogram does not match the standard diesel chromatogram and the result is an estimated value i t E 7 +I 11 7 P:13024 CSUS-Multi-CampuslQMR12002 SeptemberlHistorical Data Table.doc r