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Superiorecision Aria/ytica , Inc. <br /> 825 Arnold Drive Suite 1 14 • Martinez California 94553 • (510' 229-1512 / fax (510) 229-1526 <br /> oiE <br /> HALOGENATED VOLATILE ORGANICS by EPA SW-846 Methods 5030/8010 <br /> Quality Assurance and Control Data - Soil <br /> Laboratory Number 89761 <br /> Average <br /> Method Spike <br /> Compound Blank PQL Recovery Limits RPD <br /> (ug/Kg) (ug/Kg) (°s) (o) (°s) <br /> Chloromethane/Vinyl Ch ND<10 10 <br /> Bromomethane - ND<5 5 <br /> Chloroethane ND<5 5 <br /> Trichlorofluoromethane . ND<5 5 <br /> 1, 1-Dichloroethene ND<5 5 102% 75-125 27%- <br /> Dichloromethane <br /> 7%Dichloromethane ND<S 5 <br /> t-1, 2-Dichloroethene ND<5 5 <br /> 1, 1-Dichloroethane ND<5 5 <br /> c-1, 2-Dichloroethene ND<5 5 <br /> Chloroform ND<5 5 <br /> 1, 1, 1-Trichloroethane ND<5 5 <br /> Carbon tetrachloride . ND<5 5 <br /> *Dichloroethane ND<5 5 <br /> hloroethene ND<5 5 1100 75-125 50 <br /> c-1, 3 -Dichloropropene ND<5 5 <br /> 1, 2-Dichloropropane ND<5 5 <br /> t-1, 3-Dachloropropene ND<5 5 <br /> Bromodichloromethane ND<S 5 <br /> 1, 1, 2-Trichloroethane ND<5 5 <br /> Tetrachloroethene ND<5 5 <br /> Dibromochloromethane ND<5 5 <br /> Chlorobenzene . ND<5 5 115% 75-125 60 <br /> Bromoform ND<5 5 <br /> 1, 1, 2 , 2-Tetrachloroeth ND<5 5 <br /> 1, 3-Dichlorobenzene - ND<5 5 <br /> 1, 2-Dichlorobenzene ND<5 5 <br /> 1, 4-Dichlorobenzene ND<S 5 <br /> Definitions <br /> ND = Not Detected RPD = Rela pve Perrnt Difference <br /> PQL = Practical Quantitation Limit <br /> QC File No 89761 <br /> Senior Chemist <br /> Account Manager <br /> Page 3 of 3 <br /> Certified Laboratories <br />