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DAF PRESSED SLUDGE SAMPLE RESULTS - 01 <br /> Collected date/time: 09/05/25 08:00 L1895603 <br /> Total Solids by Method 2540 G-2011 <br /> Result Qualifier Dilution Analysis Batch FP1 <br /> Analyte % date/time <br /> I <br /> Total Solids 45.3 1 09/09/202510:35 WG2596626 TC <br /> Wet Chemistry by Method 9034/9030B FSS <br /> Result(dry) Qualifier RDL(dry) Dilution Analysis Batch <br /> Analyte mg/kg mg/kg date/time [Cn] <br /> Sulfide ND 166 1 09/10/2025 23:01 WG2597222 <br /> Wet Chemistry by Method 9056A <br /> Result(dry) Qualifier RDL(dry) Dilution Analysis Batch <br /> 6 <br /> Analyte mg/kg mg/kg date/time QC <br /> Fluoride ND 44.2 10 09/09/202518:20 WG2595332 <br /> Sulfate ND 1100 10 09/09/202518:20 WG2595332 I ql <br /> Sample Narrative: <br /> L1895603-01 WG2595332:Dilution due to matrix impact on instrumentation at lower dilution JAI <br /> Mercury by Method 7471B 9 <br /> Sc <br /> Result(dry) Qualifier RDL(dry) Dilution Analysis Batch <br /> Analyte mg/kg mg/kg date/time <br /> Mercury 0.0966 0.0884 1 09/10/202512:01 WG2597241 <br /> Metals (ICP) by Method 6010D <br /> Result(dry) Qualifier RDL(dry) Dilution Analysis Batch <br /> Analyte mg/kg mg/kg date/time <br /> Antimony 9.14 4.42 1 09/09/202518:15 WG2596642 <br /> Arsenic ND 4.42 1 09/09/202518:15 WG2596642 <br /> Barium 304 1.10 1 09/09/202518:15 WG2596642 <br /> Beryllium 0.499 0.442 1 09/09/202518:15 WG2596642 <br /> Cadmium ND 1.10 1 09/09/202518:15 WG2596642 <br /> Chromium 36.4 2.21 1 09/09/202518:15 WG2596642 <br /> Cobalt 3.26 2.21 1 09/09/202518:15 WG2596642 <br /> Copper 134 4.42 1 09/09/202518:15 WG2596642 <br /> Lead 41.1 1.10 1 09/09/202518:15 WG2596642 <br /> Molybdenum 38.8 1.10 1 09/09/202518:15 WG2596642 <br /> Nickel 46.9 4.42 1 09/09/202518:15 WG2596642 <br /> Selenium ND 4.42 1 09/09/202518:15 WG2596642 <br /> Silver ND 2.21 1 09/09/202518:15 WG2596642 <br /> Thallium ND 4.42 1 09/09/202518:15 WG2596642 <br /> Vanadium 9.07 4.42 1 09/09/202518:15 WG2596642 <br /> Zinc 595 11.0 1 09/09/202518:15 WG2596642 <br /> Volatile Organic Compounds (GC/MS) by Method 8260D <br /> Result(dry) Qualifier RDL(dry) Dilution Analysis Batch <br /> Analyte mg/kg mg/kg date/time <br /> Acetone 6.33 1.37 4 09/11/2025 00:25 WG2596492 <br /> Acrylonitrile ND 0.171 4 09/11/2025 00:25 WG2596492 <br /> Benzene 0.0181 0.0137 4 09/11/2025 00:25 WG2596492 <br /> Bromobenzene ND 0.171 4 09/11/2025 00:25 WG2596492 <br /> Bromodichloromethane ND 0.0342 4 09/11/2025 00:25 WG2596492 <br /> Bromoform ND 0.342 4 09/11/2025 00:25 WG2596492 <br /> Bromomethane ND J3 J4 0.171 4 09/11/2025 00:25 WG2596492 <br /> n-Butylbenzene 0.248 0.171 4 09/11/2025 00:25 WG2596492 <br /> sec-Butyl benzene ND 0.171 4 09/11/2025 00:25 WG2596492 <br /> ACCOUNT: PROJECT: S DG: DATE/TIME: PAGE: <br /> UniFirst Corporation-Wilmington,MA UNIFIRST 370-CA L1895603 09/23/25 10:16 5 of 53 <br />