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3A <br /> WATER VOLATILE MATRIX SPIKE/MATRIX SPIKE DUPLICATE RECOVERY <br /> Lab Name SPL Contract <br /> Lab Code Case No 99100205 SAS No SDG No <br /> Matrix Spike - EPA Sample No 003-S1 Level (low/med) LOW <br /> SPIKE SAMPLE MS MS QC <br /> ADDED CONCENTRATION CONCENTRATION % LIMITS <br /> COMPOUND (ug/L) (ug/L) (ug/L) REC # REC <br /> 1,1-Dichloroethene 50 190 200 20 * 61-145 <br /> Trichloroethene 50 1700 1400 0 * 71-120 <br /> Benzene 50 6 64 116 76-127 <br /> Toluene 50 0 56 112 76-125 <br /> Chlorobenzene 50 0 58 116 75-130 <br /> SPIKE MSD MSD <br /> ADDED CONCENTRATION % % QC LIMITS <br /> . COMPOUND (ug/L (ug/L REC # RPD # RPD REC <br /> 1,1-Dichloroethene 50 250 120 143 * 14 61-145 <br /> Trichloroethene 50 1700 0 * 0 14 71-120 <br /> Benzene 50 66 120 3 11 76-127 <br /> s <br /> Toluene 50 58 116 4 13 76-125 <br /> Chlorobenzene 50 60 120 3 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 interference <br /> RPD 1 out of 5 outside limits <br /> Spike Recovery 3 out of 10 outside limits <br /> I <br /> FORM III VOA-1 <br /> 3/90 <br /> I <br /> I <br /> I <br />