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WG2596629 QUALITY CONTROL SUMMARY <br /> Pesticides (GC) by Method 8081B L1895603-02 <br /> Method Blank (MB) C <br /> p <br /> (MB)R4272756-1 09/12/2517:00 <br /> MB Result MB Qualifier MB MDL MB RDL PC <br /> Analyte mg/I mg/I mgA <br /> Chlordane U 0.00167 0.00500 <br /> Endrin U 0.00167 0.00500 FS <br /> Heptachlor U 0.00133 0.00500 <br /> Lindane U 0.00167 0.00500 Rn <br /> Methoxychlor U 0.00167 0.00500 <br /> Toxaphene U 0.00333 0.0100 <br /> (S)Decochlorobipheny/ 67.6 10.0-128 <br /> FSr <br /> (S)Tetrochloro-m-xylene 70.2 10.0-127 <br /> Laboratory Control Sample (LCS) <br /> (LCS)R4272756-2 09/12/2517:09 7G1 <br /> Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier <br /> Analyte mg/1 mg/I % % $AI <br /> Endrin 0.0100 0.00956 95.6 57.0-134 <br /> Heptachlor 0.0100 0.00923 92.3 27.0-132 FC <br /> Lindane 0.0100 0.00961 96.1 55.0-129 <br /> Methoxychlor 0.0100 0.00933 93.3 54.0-155 <br /> (S)Decochlorobiphenyl 55.0 10.0-128 <br /> (S)Tetrochloro-m-xylene 72.2 10.0-127 <br /> L1894526-02 Original Sample (OS) • Matrix Spike (MS) • Matrix Spike Duplicate (MSD) <br /> (OS)L1894526-02 09/12/2517:26•(MS)R4272756-3 09/12/2517:44•(MSD)R4272756-4 09/12/2517:53 <br /> Spike Amount Original Result MS Result MSD Result MS Rec. MSD Rec. Dilution Rec.Limits MS Qualifier MSD Qualifier RPD RPD Limits <br /> Analyte mg/I mg/I mg/I mg/I % % % % % <br /> Endrin 0.0100 ND 0.0102 0.00956 102 95.6 1 10.0-160 6.48 39 <br /> Heptachlor 0.0100 ND 0.00982 0.00927 98.2 92.7 1 16.0-136 5.76 40 <br /> Lindane 0.0100 ND 0.0102 0.00990 102 99.0 1 14.0-141 2.99 40 <br /> Methoxychlor 0.0100 ND 0.0104 0.00976 104 97.6 1 10.0-160 6.35 34 <br /> (S)Decochlorobipheny/ 24.8 24.9 10.0-128 <br /> (S)Tetrochloro-m-xylene 72.1 70.1 10.0-127 <br /> ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE: <br /> UniFirst Corporation-Wilmington,MA UNIFIRST 370-CA L1895603 09/23/25 10:16 38 of 53 <br />