Laserfiche WebLink
TA <br /> Groundwater Monitoring Data and Analytical Results <br /> Tosco(Circle K)Unit#01205 <br /> 16470 Cambridge Street <br /> Lathrop,California <br /> EXPLANATIONS- <br /> Groundwater monitoring dataand laboratory results prior to January 25, 1999,were compiled from reports prepared by Pacific Environmental Group,Inc <br /> TOC=Top of Casing B=Benzene ppb=Parts per billion <br /> DTW=Depth to Water T=Toluene ND=Not Detected <br /> (ft)=Feet E=Ethylbenzene --=Not Measured/Not Analyzed <br /> S l =Screen Interval X=Xylenes <br /> (ft bgs}=Feet Below Ground Surface MTBE=Methyl tertiary butyl ether <br /> GWE=Groundwater Elevation <br /> TPH(G)=Total Petroleum Hydrocarbons as Gasoline <br /> * TOC elevations have been surveyed relative to the San Joaquin County Benchmark No UV-34 <br /> i Laboratory report indicates gasoline and unidentified hydrocarbons C6-C12 <br /> 2 Detection limit raised Refer to analytical reports <br /> 3 MTBE by EPA Method 8260 <br /> Laboratory report indicates gasoline and unidentified hydrocarbons>C10 <br /> 5 MTBE by EPA Method 8260 analyzed past hold time by 20 minutes <br /> 6 MTBE by EPA Method 8260 analyzed past hold time by 59 minutes <br /> T Laboratory report indicates gasoline C6-C12 <br /> 8 Laboratory report indicates weathered gasoline C6-C12 <br /> 4 Laboratory report indicates hits confirmed past EPA recommended hold time <br /> 01205 xls/180183 3 As of 10/20/00 <br />