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Superior Precision ,o"atvrical. Inc. <br /> 825 Arnold Drive Suite t 14 ■ Martinez California 94553 ■ {510) 229-1512 /fax (5 10) 229-1526 <br /> HALOGENATED VOLATILE ORGANICS by EPA SW-846 Methods 5030/8010 <br /> ,,'- -Quality Assurance and Control Data - Soil <br /> Laboratory Number 30141 <br /> Method Spike <br /> Compound Blank RL Recovery Limits RPD <br /> (ug/Kg) (ug/Kg) 06) <br /> Chloromethane/Vinyl Ch ND<10 0 10 . 0 <br /> Bromomethane ND<5 . 0 5 0 <br /> Chloroethane ND<5 . 0 5 . 0 <br /> Trichlorofluoromethane - ND<5 0 5 . 0 <br /> 1, 1-Dichloroethene : ND<5 0 5 . 0 120/108 70-143 lilt <br /> Dichloromethane ND<5 0 5 0 <br /> t-1, 2-Dichloroethene ND<5 . 0 5 0 <br /> 1, 1-Dichloroethane ND<5 . 0 5 . 0 <br /> c-1, 2-Dichloroethene : ND<5 . 0 5 . 0 <br /> Chloroform N10<5 0 5 . 0 <br /> 1, 1, 1-Trichloroethane - ND<5 0 5 . 0 <br /> Carbon tetrachloride ND<5 . 0 5 0 <br /> Q2-Dichloroethane ND<5 . 0 5 0 <br /> chloroethene : ND<5 . 0 5 0 110/115 79-132 4°s <br /> c-1, 3-Dichloropropene ND<5 . 0 5 0 <br /> 1, 2-Dichloropropane ND<5 0 5 . 0 <br /> t-1, 3-Dichloropropene • ND<5 0 5 . 0 <br /> Bromodichloromethane ND<5 0 5 . 0 <br /> 1, 1, 2-Trichloroethane ND<5 . 0 5 0 <br /> Tetrachloroethene ND<5 . 0 5 0 <br /> Dibromochloromethane ND<5 0 5 0 <br /> Chlorobenzene ND<5 0 5 0 113/122 92-132 8-°a <br /> Bromoform. ND<5 0 5 . 0 <br /> 1, 1, 2 , 2-Tetrachloroeth- ND<5 0 5 0 <br /> 1, 3-Dichlorobenzene ND<5 0 5 0 <br /> 1 , 2-Dichlorobenzene ND<5 0 5 0 <br /> 1, 4-Dichlorobenzene ND<5 0 5 0 <br /> Definitions <br /> ND = Not Detected / <br /> RPD = Relative Percent Difference <br /> RL = Reporting Limit <br /> ug/Kg = Parts per billion (ppb) Senior Chemist <br /> QC File No 30141 Account Manager <br /> 0 Page 3 of 3 <br /> Certified laboratories <br />