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WG2597763 QUALITY CONTROL SUMMARY Semi Volatile Organic Compounds (GC/MS) by Method 8270E L1895603-01 Method Blank (MB) (MB)R4274976-2 09/15/2511:34 Ed MB Result MB Qualifier MB MDL MB RDL PC Analyte mg/kg mg/kg mg/kg Diethyl phthalate U 0.0516 0.333 Dimethyl phthalate U 0.0447 0.333 FS Di-n-octyl phthalate U 0.147 0.333 Pyrene U 0.00373 0.0333 Rn 1,2,4-Trichlorobenzene U 0.0395 0.333 4-Chloro-3-methylphenol U 0.0520 0.333 2-Chlorophenol U 0.0346 0.333 FSr 2,4-Dichlorophenol U 0.0439 0.333 2,4-Dimethylphenol U 0.0691 0.333 4,6-Dinitro-2-methylphenol U 0.102 0.333 2,4-Dinitrophenol U 0.127 0.333 2-Nitrophenol U 0.0494 0.333 7G1 4-Nitrophenol U 0.106 0.333 Pentachlorophenol U 0.0623 0.333 $ Phenol U 0.0567 0.333 AI 2,4,6-Trichlorophenol U 0.0796 0.333 (S)2-Fluoropheno/ 86.0 12.0-120 FSC (S)Phenol-d5 71.9 10.0-120 (S)Nitrobenzene-d5 59.8 10.0-122 (S)2-Fluorobiphenyl 62.2 15.0-120 (S)2,4,6-Tribromopheno/ 87.2 10.0-127 (S)p-Terphenyl-d14 85.0 10.0-120 Laboratory Control Sample (LCS) (LCS)R4274976-1 09/15/2511:10 Spike Amount LCS Result LCS Rec. Rec.Limits LCS Qualifier Analyte mg/kg mg/kg % % Acenaphthene 0.666 0.370 55.6 38.0-120 Acenaphthylene 0.666 0.363 54.5 40.0-120 Anthracene 0.666 0.421 63.2 42.0-120 Benzidine 1.33 U 0.000 10.0-120 J4 Benzo(a)anthracene 0.666 0.417 62.6 44.0-120 Benzo(b)fluoranthene 0.666 0.390 58.6 43.0-120 Benzo(k)fluoranthene 0.666 0.384 57.7 44.0-120 Benzo(g,h,i)perylene 0.666 0.411 61.7 43.0-120 Benzo(a)pyrene 0.666 0.398 59.8 45.0-120 Bis(2-chlorethoxy)methane 0.666 0.315 47.3 20.0-120 Bis(2-chloroethyl)ether 0.666 0.401 60.2 16.0-120 ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE: UniFirst Corporation-Wilmington,MA UNIFIRST 370-CA L1895603 09/23/25 10:16 43 of 53