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Su erior Precision An "cal, Inc, <br /> 825 Arnold Drive, Suite 114 Martinez, Ca!ifomia 94553 ;510; 229 i 512/fax 1510: 229-11526 <br /> EPA METHOD 8010,'. <br /> Quality Assurance and Control'! Data - Soil <br /> Laboratory Number 86!,653 <br /> Average <br /> Method Spike'; Spike <br /> Compound Blank PQL Recovery Limits RPD Level <br /> (ug/kg) (ug/kg) (ug/kg) <br /> 4 <br /> Chloromethane : ND<5 5 <br /> Vinyl Chloride : ND<5 5 <br /> Bromomethane: ND<5 5 <br /> Chloroethane: ND<5 5 <br /> Trichlorofluoromethane: ND<5 5 <br /> 1, 1-Dichloroethene: ND<5 5 96% ! 19€ 200 <br /> Dichloromethane: ND<5 5 <br /> c-1, 2-Dichloroethene: ND<5 5 <br /> 1, 17Dichloroethane: ND<5 5 <br /> t-1,2-Dichloroethene: ND<5 5 <br /> Chloroform: ND<5 5 <br /> 1, 1 , 1-Trichloroethane: ND<5 5 4 <br /> Carbon tetrachloride: ND<5 5 t <br /> 1, 2-Dichloroethane: ND<5 5 <br /> Trichloroethene: ND<5 5 92% 'I 2% 200 <br /> 112-Dichloropropane: ND<5 5 <br /> Bromodichloromethane: ND<5 5 <br /> c-1, 3-Dichloropropene: ND<5 5 <br /> t-1 , 3-Dichloropropene: ND<5 5 <br /> 1, 1,2-Trichloroethane: ND<5 5 <br /> Tetrachloroethene: ND<5 5 <br /> Dibromochloromethane: ND<5 5 <br /> Chlorobenzene: ND<5 5 100% 4$ 200 <br /> Bromoform: ND<5 5 <br /> 111,212=Tetracl-ethane: ND<5 5 <br /> 1, 3-Dichlorobenzene: ND<5 5 <br /> 1, 4-Dichlorobenzene: ND<5 5 <br /> =, 2-Dichlorobenzene: . ND<5 5 <br /> average Spike Recovery : 96%] 60-140% <br /> Definitions <br /> ' ND = None Detected RPD = Relat v Percent Difference <br /> PQL= Practical Quatitation Limits <br /> QC File No . = 86653 <br /> ✓.. Senior Chemist <br /> i <br /> I <br /> f <br /> 1 Page 3 of 3 <br />