Laserfiche WebLink
Table 1 <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 data and laboratory analytical results prior to January 25, 1999,were compiled from reports prepared by Pacific Environmental Group,Inc <br /> I <br /> TOC=Top of Casing TPH-G=Total Petroleum Hydrocarbons as Gasoline (ppb)=Parts per billion <br /> (ft)=Feet B=Benzene <br /> ND=Not Detected <br /> DTW=Depth to Water T=Toluene -=Not Measured[Not Analyzed <br /> S I =Screen Interval E=Ethylbenzene QA=Quality Assurance <br /> (ft bgs)=Feet Below Ground Surface X=Xylenes <br /> GWE=Groundwater Elevation MTBE=Methyl tertiary butyl ether <br /> i <br /> * TOC elevations have been surveyed relative to the San Joaquin County Benchmark No UV-34 <br /> ' Laboratory report indicates gasoline and unidentified hydrocarbons C6-Cl2 <br /> Z Detection limit raised Refer to analytical reports <br /> ` MTBE by EPA Method 8260 <br /> 1 4 Laboratory report indicates gasoline and unidentified hydrocarbons>C10 <br /> 5 MTBE by EPA Method 8260 analyzed past hold time by 20 minutes <br /> MTBE by EPA Method 8260 analyzed past hold time by 59 minutes <br /> 7 Laboratory report indicates gasoline C6-C12 <br /> A Laboratory report indicates weathered gasoline C6-C12 <br /> 9 Laboratory report indicates hits confirmed past EPA recommended hold time <br /> 10 Laboratory indicates sample was analyzed outside of the EPA recommended holding time <br /> Well development performed - <br /> 'Z TPH-G,BTEX and MTBE by EPA Method 8260 <br /> i <br /> I <br /> I <br /> I <br /> I <br /> 01205 xl, O 183 Aso/29/02. <br /> I <br />