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i <br /> Superior eCis%on /nc. <br /> 825 Arnold Drive, Suire 114 Martnez. Califomia 94553 (510) 229-1512 <br /> fax (510) 229-1526 <br /> HALOGENATED VOLATILE ORGANICS . by EPA SW-846 Methods., 5030/8010 . <br /> Quality Assurance and Control Data - Water <br /> Laboratory Number 90768 <br /> w <br /> Method Spike <br /> Compound Blank RL Recovery Limits RPD 4 <br /> (ug/L) (ug/L) <br /> Chloromethane/Vinyl Ch: ND<1.0 1. 0 <br /> Bromomethane : ND<0 .5 0 . 5 <br /> Chloroethane ND<0 .5 0 . 5 <br /> Trichlorofluoromethane: ND<0 .5 0 .5 <br /> { 1, 1-Dichloroethene : ND<0 .5 0 .5 86/94 78-158 9% <br /> Dichloromethane: "ND<0 .5 0 .5 <br /> t-1, 2-Dichloroethene: ND<0 .5. 0 .5 <br /> 1, 1-Dichloroethane: ND<0 .5 0 . 5 <br /> c-1, 2-Dichloroethene: ND<0 .5 0 .5 <br /> Chloroform: ND<0 .5 0 .5 <br /> 1, 1, 1-Trichloroethane : ND<0 .5 0 .5 <br /> Carbon tetrachloride: ND<0 .5 0 . 5 <br /> 1, 2-Dichloroethaae : ND<0 .5 0 .5 , <br /> Trichloroethene: ND<0 .5 0 .5 96/101. 83-128 5°7 <br /> c-1, 3-Dichloropropene : ND<0 .5 0 . 5 <br /> 1,2-Dichloropropane: ND<0 .5 0 .5 <br /> t-1,3-Dichloropropene: ND<0 .5 0 .5 <br /> Bromodichloromethane: ND<0 .5 0 .5 <br /> 1, 1, 2-Trichloroethane : ND<0 .5 0 .5 <br /> Tetrachloroethene : ND<0 .5 0 . 5 <br /> Dibromochloromethane: ND<0 .5 0 . 5 <br /> Chlorobenzene . ND<0 . 5 0 .5 103/108 90-127 54; <br /> Bromoform: ND<0 .5' 0 .5 <br /> ! 1, 1,2,2-Tetrachlorceth: ND<0 .5 0 . 5 <br /> 1,3-Dichlorobenzene : ND<0 .5 0 .5 <br /> 1,2-Dichlorobenzene: ND<0 .5 0 .5 <br /> 1, 4-Dichlorobenzene: ND<0 .5 0 .5 <br /> Definitions : <br /> ND = Not Detected 7za <br /> RPD = Relative Percent Difference <br /> RL = Reporting Limit <br /> ug/L = Parts per billion (ppb) Senior Chemist <br /> QC File No. 90759 Account Mariager <br /> Page 4 of 4 <br /> Certified Ladorarodes <br />