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3A <br /> WATER VOLATILE MATRIX SPIKE/MA`T'RIX SPIKE DUPLICATE RECOVERY <br /> Lab Name : SPL Contract : <br /> r ' <br /> Lab Code : Case No . : 9809326 SAS No. : SDG No . : <br /> Matrix Spike - EPA Sample No . : S-12 <br /> SPIKE F SAMPLE MS MS QC. <br /> ADDED CONCENTRATION CONCENTPAT ON o LIMITS <br /> COMPOUND (ug/L) (ug/L) (ug/L) REC # REC. <br /> 1 , 1-Dichloroethene 50 0 59 118 61-145 <br /> Trichloroethene 50 0 60 120 71-1201 <br /> Benzene 50 3 64 122 76-127 <br /> Toluene 50 0 67 134* 76-1251 <br /> Chlorobenzene 50 0 52 104 75-130 ? <br /> i <br /> SPIKE MSD MSD <br /> ADDED CONCENTRATION o = QC LIMITS,:: <br /> -_COMPOUND (ug/L) (ug/L) REC ## RcD # RPD REC: <br /> 1 , 1-Dichloroethene 50 59 118 0 -14 61-145 <br /> Trichloroethene 50 58 116 3 14 71-120 <br /> Benzene 50 61 116 5 11 76-121 <br /> Toluene 50 65 130* 3 13 76--125 <br /> Chlorobenzene 50 51 102 2 13 75-130 <br /> # Column to be used to flag recovery and RPD values with an asterisk <br /> * Values outside of QC limits due to matrix interferences <br /> RPD : 0 out of 5 outside limits <br /> Spike Recovery : 2 out of 10 outside limits <br /> FORM III VOA-1 3/90 <br />