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l' 38 <br /> Il SOIL VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPLICATE RECOVERY <br /> Lab Name: PAN-AG ENVIRO LABS Contract: <br /> Project No.: Site: Location: Group: <br /> ' Matrix Spike - Sample No.: 397-9502-1347 Level: (low/med) LOW <br /> l' <br /> (' r <br /> SHKE SAMPLE MS MS QC. <br /> I, ADDED CONCENTRATION CONCENTRATION 7 LIMITS <br /> COMPOUND (ug/Kg) (ug/Kg) (ug/Kg) REC # REC. <br /> Benzene 50 0 42 84 59-172) <br /> oluene 50 0 43 86 66-142) <br /> thylbenzene 50 0 41 82 62-137) <br /> Total Xylenes 150 0 1 128 85 59-I39) <br /> L� <br /> SPIKE MSD MS <br /> ADDED CONCENTRATION % % QC LIMITS <br /> r COMPOUND (ug/Kg) (ug/Kg) i, REC # RPD # RPD REC. <br /> IlBenzene 50 36 72 16 22 59-172) <br /> Toluene 50 37 73 16 21 66-142) <br /> (� thylbenzene 50 34 68 19 24 62-137) <br /> ItTotal Xylenes 150 108 72 17 21 59-139} <br /> I # Colutnn 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 /> _ -- -_ Comments:- Method : 8020- - _ - --— - ---- <br /> t <br /> FORM III VOA-2 3/90 <br /> L i �. <br />