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Laboratory Control Spike Recovery <br />EPA 8141A OP Pesticides Water <br />APPL ID: 070806W-65821 LCS - 115493 <br />SPK <br />Quant Method: <br />APPL Inc. <br />Batch ID: $8141W -070806A <br />08/06107 <br />Analysis Date <br />08/24107 <br />4203 West Swift Avenue <br />NPD04 <br />Run : <br />90,91,92,93 <br />Initials: <br />L----- <br />Fresno, CA 93722 <br />Compound Name <br />Spike Level <br />SPK Result <br />SPK % <br />Recovery <br />ug/L <br />ug/L <br />Recovery <br />Limits <br />Stirophos <br />5.00 <br />7.77 <br />155 # <br />37-138 <br />Sulfotep <br />2.50 <br />3.41 <br />136 <br />36-145 <br />Thlonazin <br />5.00 <br />5.90 <br />118 <br />70-130 <br />Tokuthion <br />2.50 <br />3.34 <br />134 <br />42-140 <br />Trichloronate <br />2.50 <br />3.57 <br />143 # <br />42-121 <br />Trifluralin <br />---------- --------------------------- ---------------•-------1----- <br />2.50 <br />..... <br />3.33 <br />133 <br />36-141 <br />Surrogate: TrIbutylphosphate <br />5.00 <br />— ........ -'- ---------- <br />6.52 <br />-- ........... <br />130 # <br />— ...........------------_............._..• ---------------- <br />64-124 <br />Surrogate: Triphenylphosphate <br />.. — — - - 1. 1 ------------ --- ..... ....................... <br />5.00 <br />-------------------- <br />6.58 <br />-- ------------------------ <br />132 # <br />54-116 <br />-------------------- --------------------------------------- <br /># = Recovery is outside QC limits. <br />Comments: <br />Primary <br />SPK <br />Quant Method: <br />OP3LL.M <br />Extraction Date <br />08/06107 <br />Analysis Date <br />08/24107 <br />Instrument: <br />NPD04 <br />Run : <br />90,91,92,93 <br />Initials: <br />L----- <br />JT <br />I <br />118 Printed: 06127107 2:48:50 PM <br />APPL Standard LCS <br />X <br />