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Superior PreCisio n Anna/ytica/, /roc_ <br /> A member of ESSCON Environmental Support Service Consortium <br /> ERN GEO ENGINEERS <br /> GEORGE CONVERSE Project R-603Reported on May 1, 1995 <br /> EPA SW-846 Method 8260 Volatile Organics by GC/MS <br /> LAB ID Sample ID Matrix Dil Factor Moisture <br /> 81274-01 MW-1 Water 1 0 <br /> 81274-02 MW-6 Water 1 0 <br /> 81274-03 MW-9 Water 1 0 <br /> 81274-04 MW-1A Air 1 0 <br /> R E S U L T S O F A N A L Y S I S <br /> Compound 81274-01 81274-02 81274-03 81274-04 <br /> Conc RL Conc RL Conc RL Conc RL <br /> ug/L ug/L ug/L ug/L <br /> Benzene ND 1 ND 1 ND 1 ND 1 <br /> t-1,3-Dichloropropene ND 3 ND 3 ND 3 ND 3 <br /> Isopropylbenzene ND 3 ND 3 ND 3 ND 3 <br /> Bromoform ND 3 ND 3 ND 3 ND 3 <br /> 4-Methyl-2-Pentanone ND 10 ND 10 ND 10 ND 10 <br /> 2-Hexanone ND 10 ND 10 ND 10 ND 10 <br /> 1, 3-Dichloropropane ND 3 ND 3 ND 3 ND 3 <br /> 4pTetrachloroethene ND 3 ND 3 ND 3 ND 3 <br /> hlorotoluene ND 3 ND 3 ND 3 ND 3 <br /> hlOrotoluene ND 3 ND 3 ND 3 ND 3 <br /> 1,3,5-Trzmethylbenzene ND 3 ND 3 ND 3 ND 3 <br /> Cert-Butylbenzene ND 3 ND 3 ND 3 ND 3 <br /> sec-Butylbenzene ND 3 ND 3 ND 3 ND 3 <br /> 1,2,4-Trichlorobenzene ND 6 ND 6 ND 6 ND 6 <br /> n-Propylbenzene ND 3 ND 3 ND 3 ND 3 <br /> 1,1,2,2-Tetrachloroethane ND 3 ND 3 ND 3 ND 3 <br /> Chlorobenzene ND 3 ND 3 ND 3 ND 3 <br /> Ethyl Benzene ND 3 ND 3 ND 3 ND 3 <br /> Styrene ND 3 ND 3 ND 3 ND 3 <br /> Xylenes ND 3 ND 3 ND 3 ND 3 <br /> 1,3-Dichlorobenzene ND 3 ND 3 ND 3 ND 3 <br /> 1,4-Dichlorobenzene ND 3 ND 3 ND 3 ND 3 <br /> p-Isopropyltoluene ND 3 ND 3 ND 3 ND 3 <br /> 1,2-Dichlorobenzene ND 3 ND 3 ND 3 ND 3 <br /> n-Butylbenzene ND 3 ND 3 ND 3 ND 3 <br /> 1,2-Dxbromo-3-chloropropane ND 6 ND 6 ND 6 NLS 6 <br /> 1,2,4-irzmethylbenzene ND 3 ND 3 ND 3 ND 3 <br /> Napthalene ND 6 ND 6 ND 6 ND 6 <br /> Hexachlorobutadiene ND 6 ND 6 ND 6 ND 6 <br /> 1,2, 3-Trichlorobenzene ND 6 ND 6 ND 6 ND 6 <br /> Page 3 of 10 <br /> Certified laboratories <br /> 825 Arnold Dr Suite 1 14 1555 Burke St Unit 1 309 S Cloverdale St , Suite B-24 <br /> Martinez California 94553 San Francisco California 94124 Seattle Washington 98108 <br /> (510) 229-1512 / fax (5 10) 229-1526 (4 15) 647-2081 / fax (4 15) 821-7123 (206) 763-2992 / fax (206) 763-8429 <br />