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3A <br /> ' WATER VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPLICATE RECOVERY <br /> �ab Name SPL Contract <br /> Lab Code Case No 99090182 SAS No SDG No <br /> Matrix Spike - EPA Sample No JH-3 GW <br /> SPIKE SAMPLE MS MS QC <br /> ADDED CONCENTRATION CONCENTRATION o LIMITS <br /> COMPOUND (ug/L) (ug/L) (ug/L) REC # REC <br /> ------ - -- --- -- ---- -- - ------------- -- - <br /> 1 , 1-Dichloroethene 50 0 42 84 61-145 <br /> Trichloroethene 50 0 48 96 71-120 <br /> Benzene 50 0 47 94 76-127 <br /> Toluene 50 0 45 90 76-125 <br /> Chlorobenzene 50 0 45 90 75-130 <br /> SPIKE MSD MSD <br /> ADDED CONCENTRATION i o QC LIMITS <br /> COMPOUND (ug/L) -- --- (ug/L) --- REC # RPD,-# RPD REC <br /> 1 , 1-Dichloroethene 50 45 90 7 14 61-145 <br /> Trichloroethene 50 50 100 4 14 71-120 <br /> Benzene 50 49 98 4 11 76-127 <br /> Toluene 50 47 94 4 13 76-125 <br /> Chlorobenzene 50 47 94 4 13 75-130 <br /> # Column to be used to flag recovery and RPD values with an asterisk <br /> * Values outside of QC limits <br /> RPD 0 out of 5 outside limits <br /> Spike Recovery 0 out of 10 outside limits <br /> FORM III VOA-1 3/90 <br />• <br />