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Evergreen Analytical, Inc. <br /> 4036 Youn~eld St, Wheat Ridge, CO 80033 <br /> (303) 425-6021 <br /> Method Blank Report <br /> Client Project ID : BBB <br />Lab Sample ID RB111798 Lab Work Order: 98-5112 <br />Date Prepared :11/17/98 Lab File ID : 00063.D <br />Date Analyzed :11/17/98 EBective Dilution : 1 <br />Method: SW8260A VOA 6260 units: pglKg <br />Analyte CAS # Concentration RL POL <br />Acetone 67-64-1 U 50 250 <br />Benzene 71-03-2 U 3 15 <br />Bromodichloromethane 75-27-4 U 3 15 <br />Bromoform 75-25-2 U 3 15 <br />Bromomethane 74-83-9 U 5 25 <br />2-Butanone 78-93-3 U 14 70 <br />Carbon disulfide 75-15-0 U 2 10 <br />Carbon teVachloride 56-23-5 U 3 15 <br />Chlorobenzene 108-90-7 U 2 10 <br />Chloroethane 75-00-3 U 4 20 <br />2-Chloroethylvinylether 110-75-8 U 6 30 <br />Chloroform 67-66-3 U 3 15 <br />Chloromethane 74-87-3 U 3 15 <br />Dibromochloromethane 124-48-1 U 2 10 <br />1,1-Dichloroethane 75-34-3 U 3 15 <br />1,2-Dichloroethane 107-06-2 U 3 15 <br />1,1-Dichloroethene 75-35-4 U 4 20 <br />cis-1,2-Dichloroethene 156-59-2 U 3 15 <br />trans-l,2-Dichloroethene 1560-5 U 4 20 <br />1,2-Dichloropropane 78-87-5 U 2 10 <br />cis-1,3-Dichloropropene 10061-01-5 U 3 15 <br />trans-l,3-Dichloropropene 10061-02~ U 2 10 <br />Ethylbenzene 100-41-0 U 2 10 <br />2-Hexanone 591-78-6 U 8 40 <br />Methylene chloride 75-09-2 U 2 10 <br />4-Methyl-2-pentanone 108-10-1 U 28 140 <br />Styrene 100-02-5 U 2 10 <br />Tetrachloroethene 127-18-4 U 2 10 <br />1,1,2,2-Tetrachloroethane 79-34-5 U 4 20 <br />Toluene 108-88-3 U 2 10 <br />1,1,1-Trichloroethane 71-55-6 U 3 15 <br />1,1,2-Trichloroethane 79-00-5 U 3 15 <br />Trichloroethene 79-01 ~ U 3 15 <br />Vinyl acetate 108-05-4 U 3 15 <br />Vinyl chloride 75-01-0 U 3 15 <br />Total Xylene 1330-20-7 U 3 15 <br />Surrogate Recovery <br />1,2-Dichloroethane-d4 (SS-1) <br />Toluene-d8 (SS-2) <br />4-Bromo6uorobenzene(SS-3) <br />Quulinen: U - Nol Detected at the Rcporting limit (RL) <br />1 - Arulyle detected below Prutical QuanitiLttion Limit (PQL) <br />E -Repotted concentration above quantitation range <br />B - Arutylc defected in the asvaciated Method Blank <br />Analyst <br />DC Limits <br />96% 75 - 110 <br />90% 82 - 125 <br />81% 74 - 115 <br />S - Spdce Recovery ouUide accepted recovery IimiU <br />X- Not Applicable. <br />~NT~ <br />Approved I1/IRr981:J?:18 PM <br />