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Page 2 <br /> August 18, 1995 LAB No: STK 533503-1 <br /> • Ro-Lab American Rubber Company, Inc. Description: Pond <br /> EPA METHOD 624 Analysis results Cont'd <br /> SAMPLE SAMPLE LAB BLANK <br /> CONSTITUENT DLR RESULTS DLR RESULTS <br /> ug/L ug/L ug/L ug/L <br /> 1 ,2-Dichloropropane 1 ND 1 ND <br /> cis-1.3-Dichloropropene 2 ND 2 ND <br /> trans-1,3-Dichloropropene 1 ND 1 ND <br /> Ethanol 5000 ND 5000 ND <br /> Ethyl Benzene 0.5 18 0.5 ND <br /> 2-Hexanone 5 ND 5 ND <br /> Methylene Chloride 25• 950 0.5 ND <br /> 2-Butanone (MEK) 10 100 10 ND <br /> 4-Methyl-2-pentanone (MIRK) 250• 500 5 ND <br /> Styrene 1 29 1 ND <br /> 1,1,2,2-Tetrachloroethane 1 ND 1 ND <br /> Tetrachloroethylene 254 4500 0.5 ND <br /> Toluene 25• 270 0.5 ND <br /> 1 ,1,1-Trichloroethane 25• 70 0.5 ND <br /> 1,1,2-Trichloroethane 0.5 0.9 0.5 ND <br /> Trichloroethylene 1 33 1 ND <br /> Trichlorofluoromethane 2 ND 2 ND <br /> Vinyl Acetate 100 ND 100 ND <br /> Vinyl Chloride 0.5 ND 0.5 ND <br /> Xylenes 1 73 1 ND <br /> SAMPLE LAB BLANK <br /> SURROGATES AR % REC. AR % REC. <br /> 1 ,2-Dichloroethane-d4 40-140 95 40-140 86 <br /> Toluene-d8 64-139 106 64-139 97 <br /> BFB 50-149 92 50-149 87 <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 /> • = DLR adjusted because of dilutions, concentrations, or limited sample. <br /> I <br /> See attached report for Quality Assurance data. If you have any questions, please call <br /> FGL ENVIRONMENTAL <br /> �',r-Kurt Wilkinson, B.S. <br /> Laboratory Director <br /> TMB:jgc <br />