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jgc <br />ohn F. Quinn,- Ph.D. <br />aboratory Director <br />Page 2 <br />September 24, 1993 LAB No: STK 305137-2 <br />San Joaquin County Health Dept Description: Septic Tank <br />EPA METHOD 8260 Analysis results Cont'd <br />CONSTITUENT <br />SAMPLE <br />DLR <br />ug/L <br />SAMPLE <br />RESULTS <br />ug/L <br />LAB <br />DLR <br />ug/L <br />BLANK <br />RESULTS <br />ug/L <br />Bromoform 1 ND 1 ND <br />2-Hexanone 5 ND 5 ND <br />4-Methyl-2-pentanone (MIBK) 5 ND 5 ND <br />Tetrachloroethylene 0.5 ND 0.5 ND <br />1,1,2,2-Tetrachloroethane 1 ND 1 ND <br />Toluene 0.5 420 0.5 ND <br />Chlorobenzene 0.5 ND 0.5 ND <br />Ethyl Benzene 0.5 28 0.5 ND <br />Styrene 1 ND 1 ND <br />Xylenes 1 160 1 ND <br />Trichlorofluoromethane 1.5 ND 1.5 ND <br />1,3-Dichlorobenzene 1 ND 1 ND <br />1,4-Dichlorobenzene 1 ND 1 ND <br />1,2-Dichlorobenzene 1 ND 1 ND <br />1,1,1,2-Tetrachloroethane 1 ND 1 ND <br />trans-1,2-Dichloroethylene 1 ND 1 ND <br />Ethanol 5000 ND 5,000 ND <br />SAMPLE SAMPLE LAB BLANK <br />SURROGATES AR % REC. AR % REC. <br />Dibromofluromethane 61-164 95 61-164 <br />Toluene-d8 81-117 93 81-117 <br />BFB 67-124 107 67-124 <br />DLR = Detection Limit for Reporting Purposes. MCL = Maximum Contaminant Level (--- indicates none determined.) <br />ug/L = Micrograms Per Liter (ppb) ND = Not Detected at or above the DLR. AR = Acceptable Range <br />If you have any questions please call. <br />I <br />FGL ENVIRONMENTAL <br />I'