Laserfiche WebLink
SIERRA <br />! Table 1 Water Level Data and Ground Water Analytic Results - Former Chevron Service Station 49-0959, 103 West 11th <br /> Street, Tracy, California (continued) <br /> Well ID/ DTW GWE Product Analytic TPPH(G) B T E X <br /> TOC (ft) Date (ft) (ms)) Thickness" Method <------------------------------------ppb-----------------------------------> <br /> BB 11/16/93 --- --- --- 8015/8020 <50 <0 5 <0 5 <0 5 <0 5 <br /> (cont) 2/15/94 --- --- --- 8015/8020 <50 <0 5 <0 5 <0 5 <0 5 <br /> EXPLANATION NOTrS <br /> DT1N=Depth to water Product thickness was measured with an MMC fieri-dip interface <br /> TOC=Top of casing elevation probe <br /> GWE=Ground water elevation <br /> msl=Measurements referenced relative to mean sea level Top of casing elevations and analytic data prior to March 23 1993 <br /> ---=Not applicable were compiled from the Environmental Assessment Report prepared <br /> TPPH(G)=Total Purgeable Petroleum Hydrocarbons as Gasoline for Chevron by Groundwater Technology, Inc January 7, 1993 <br /> B=Benzene I Laboratory reports a hydrocarbon pattern not characteristic of <br /> T=Toluene gasoline <br /> E=Ethylbenzene <br /> X=Xylenes 1 Top of casing elevations resurveyed February 23 1994 by Ron <br /> ppb=Parts per billion Miller, P E #15816 <br /> ---W Not analyzed/Not applicable <br /> 3 Water level measurement only was collected due to apparent <br /> ANALYTIC METHODS obstruction in well <br /> 8015=EPA Method 8015/5030 for TPPH(G) <br /> 8020=EPA Method 8020 for BTEX <br /> 29904T WLG <br />