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_ 3B <br /> SOIL VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPLICATE RECOVERY <br /> Lab Name: SPL Contract: <br /> Lab Code: Case No: 9808768 SAS No: SDG No; <br /> Matrix Spike - EPA Sample No: 081798-KB-01 Level(low/med) LOW <br /> SPIKE SAMPLE MS MS QC <br /> COMPOUND ADDED CONCENTRATION CONCENTRATION % LIMITS <br /> (ug/kg) (ug/kg) (ug/kg) REC. # REC. <br /> 1,1-Dichloroethene 50 0 42 84 59-172 <br /> Trichloroethene 50 0 40 80 62-137 <br /> Benzene 50 460 980 1040 } 66-142 <br /> Toluene 50 6 62 112 59-139 <br /> Chlorobenzene 50 0 42 84 60-133 <br /> - SPIKE MSD MSD <br /> COMPOUND ADDED CONCENTRATION % % QC LIMITS <br /> (ug/kg) (ug/kg) REC. # RPD # RPD REC. <br /> 1,1-Dichloroethene 50 44 88 5 22 59-172 <br /> Trichloroethene 50 40 80 0 24 62-137 <br /> Benzene 50 800 680 42 " 21 66-142 <br /> Toluene 50 59 106 6 21 59-139 <br /> Chlorobenzene 50 43 86 1 2 21 60-133 <br /> #Column to be used to flag recovery and RPD values with an asterisk <br /> *Values outside of QC limits due to matrix interference <br /> RPD: 1 out of 5 outside limits <br /> Spike Recovery: 2 out of 10 outside limits <br /> FORM III VOA-2 3/90 <br /> i <br /> I <br /> i <br />