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Kleinfelder(Stockton) Project: Kenworth T-22 05/10707 10:16 <br /> 2825 East Myrtle St. Project Number: 82946.1101 CLS Work Order#:CQE0105 <br /> Stockton,CA 95205 Project Manager: Joseph D.Zilles <br /> COC#:3997,3998,3999 <br /> L DRAFT: Carbamates in Water by EPA Method 531.1 -Quality Control <br /> it Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result °%REC Limits RPD Limit Notes <br /> Batch CQ03888-Direct Injection <br /> L Blank(CQ03888-BLKI) Prepared&Analyzed:05/07/07 <br /> .Aldicarb ND 2.0 pg/L <br /> Aldicarb sulfone ND 2.0 " <br /> i.. Aldicarb sulfoxide ND 2.0 " <br /> Carbaryl ND 6.0 " <br /> Carbofuran ND 6.0 ° <br /> i 3-Hydroxycarbofuran ND 2.0 <br /> bw Methiocarb ND 6.0 <br /> Methomyl ND 2.0 ° <br /> Oxamyl(Vydate) ND 2.0 <br /> Jw Propoxur(Baygon) ND 10 <br /> Surr-ogate:4-Bromo-3.5-dineedrylphesrvl 91.6 100 92.6 70-130 <br /> N-merbvlcarbamate <br /> l.. LCS(CQ03888-BSI) Prepared&Analyzed:05/07/07 QM-1 <br /> Aldicarb 88.2 2.0 4g/L 100 88.2 70-130 <br /> Carbofuran 73.6 6.0 100 73.6 70-130 <br /> Surrogae:4-Bromo-3,5-dimethylphenyl 135 100 135 70-130 <br /> N-methylcarbamate <br /> LCS Dup(CQ03888-BSD1) Prepared&Analyzed:05/07/07 QM-1 <br /> ` Aldicarb 79.7 2.0 µg/L 100 79.7 70-130 10.1 30 <br /> Carbofuran 61.0 6.0 100 61.0 70-130 18.7 30 <br /> Surrogate:4-Bromo-3.5-dimethylphenyl 116 100 116 70-130 <br /> N-methylcarbamate <br /> Matrix Spike(CQ03888-MSI) Source:CQE0132-01 Prepared&Analyzed:05/07/07 <br /> Aldicarb 83.2 2.0 pg/L 100 ND 83.2 60-140 <br /> Carbofuran 73.6 6.0 100 ND 73.6 60-140 <br /> ` Surrogate:4-Bromo-3,5-dimetJrvlphenyl 107 100 107 70-130 <br /> N-methylcorbmnate <br /> Matrix Spike_Dup(CQ038MMSDI) _ Source:CQE0132-01 Prepared&Analyzed:05/07/07 <br /> ` Aldicarb 75.9 2.0 pg/L 100 ND 75.9 60-140 9.24 30 <br /> Carbofuran 64.5 6.0 100 ND 64.5 60-140 13.2 30 <br /> Sur-rogare:4-Bromo-3,5-dimethylphenyl 110 100 110 70-130 <br /> N-merhylcarbamate <br /> ho <br /> CA DOHS ELAP Accreditation/Registration Number 1233 PLATE <br /> �' <br /> 26 <br />