Laserfiche WebLink
iiiiiiiiii■r iititiiiiit� iitittiiti� titititiii� ttttt! �! t!! �■■� �■! ! ! ! � ;♦ � � � � 1• <br /> Groundwater Monitoring Data and Analytical Results <br /> Chevron Service Station 49-6171 <br /> 6633 Pacific Avenue <br /> Stockton,California <br /> EXPLANATIONS <br /> Ground%vater monitoring data and laboratory arial)tical results prior to May 22,2000 were compiled from reports prepared by Blaine Tech Services Inc <br /> TQC=Top of Casing TPH-G—Total Petroleum hydrocarbons as Gasoline `C OG= rotal 011&Grease <br /> (ft)=feet B=Benrene (ppb)=Parts per billion <br /> GWE=Groundwater Elevation T= Toluene --=Not Measured/Not Analyzed <br /> (mil)=Mean sea level E_Eth)lben7cm NP=No Purge <br /> S I =Screen intervals X=X)lents (R)=Re-analysis <br /> (ft bgs)=rest Below Ground Surface M EBE=Methyl tertiary butyl ether QA=Quality AssurancelFrip Blank <br /> DTW=Depth to Water EDB=Ethylene Dibromide <br /> " TOC elevations were surve)ed in July of 2001,by Morrow Surveying Elevations are based on San Joaquin County Benchmark i2,a brass disc marking <br /> cos monument stamped"IN-4'in monument box on the east bide of Pacific Avenue at the approximate i.enterline Benjamin Ilolt Drive,(Lievatton= It 02) <br /> 1 Chromatogram pattern indicates an unidentified hydrocarbon <br /> 2 C hromatogram pattern indicates a gas and unidentified hydrocarbon <br /> 3 Confinnation run <br /> 4 Laborator) report indicates Bis-(2-Ethylhexyl)-Phthalate was detected at 15 ppb and Butyl-Benzyl-Phthalate was detected at 9 9 ppb <br /> S Gasoline range Loncentration reported,peaks are representative of tetrachloroethane and trace amount of gasoline <br /> d Laboratory report indicates discrete pears <br /> 7 MTBE by EPA Method 8260 <br /> 9 MTBE.,by EPA Method 8260 was analyzed outside the LPA recommended holding time <br /> 9 Survcy data unavailable <br /> 10 BTEX and M EBF by EPA Method 8260 <br /> i i Laboratory report indicates the reported value for Toluene is suspected system contaminat€on <br /> 12 TOC has been altered,unable to determine GWE <br /> ii Laboratory report indicates the observed sampled pattern is not typical of gasoline <br /> 44 Split sampled with Levine Fricke <br /> i` No purge due to insufficient water <br /> 9-6171 x10385121 23 As of 02/01/06 <br />