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3B f <br /> WATER 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 834-9507-5507 <br /> 1 <br />' SPIKE SAMPLE MS MSC <br /> Q <br /> ADDED CONCENTRATION CONCENTRATION % LIMITS <br /> COMPOUND (ug/L) (ug/L) (ug/L) REC # REC <br /> Benzene 5 0 1 1 6 3 104 59-172) <br />' Toluene 5 0 0 8 6 5 115 66-142) <br /> thylbenzene 5 0 00 6 5 129 62-137) <br /> oral Xylenes 150 0 8 18 7 119 59-139) <br /> SPIKE MSD MS <br /> ADDED CONCENTRATION % % QC LIMITS <br /> COMPOUND (ug/L) (ug/L) REC # RPD # RPD REC <br /> Benzene 50 60 99 5 22 59-172) <br /> Toluene 5 0 5 9 103 11 21 66-142) <br /> thylbenzene 50 54 108 18 24 62-137) <br /> Total Xylenes 150 16 7 106 12 21 59-139) <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 /> Comments Method 8020 <br /> 1 ' <br /> FORM III VOA-2 3/90 <br /> 52 <br />