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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Analytical Report <br /> Client: UniFirst Corporation WorkOrder: 2509398 <br /> Date Collected: 09/05/2025 7:30 Extraction Method: Polisini&Miller(CDFG 1988)(Haz.) <br /> Date Received: 09/05/2025 16:25 Analytical Method: Polisini&Miller(CDFG 1988)(Haz.) <br /> Project: Samples received 9/5/25 Sample Matrix: Solid <br /> Hazardous Waste 96-hr Definitive Bioassay w/Fathead Minnows <br /> Lab ID 2509398-002A Species Pimephales promelas Avg.Length(mm) 30.454 <br /> Client ID DAF Sludge Common Name Fathead Minnow Avg.Weight(g) 0.281512 <br /> Control Water Batch# EPASW 550 Organism Supplier ABS Max Weight(g) 0.34861 <br /> Control Water Soft Synthetic Water Organism Lo # 250912FHM Min Weight 0.23923 <br /> Randomization Ne N/A Test Location TR 2.2A <br /> 7Temperature(°C) pH D.O.(mg/L) EC(µS/cm) Survival <br /> oncentration Comments <br /> B A B A B A B A B <br /> Control 19.7 19.8 7.13 7.20 9.0 9.0 170.3 169.6 10 10 Date: 9/17/2025 <br /> 250 mg/L 20.1 20.0 7.25 7.31 8.8 8.8 170.6 170.9 10 10 Time: 12:14 PM <br /> 375 mg/L 20.0 20.0 7.36 7.39 8.8 8.8 170.8 171.8 10 10 Analyst: MTO <br /> 500 mg/L 20.0 20.0 7.42 7.44 8.8 8.8 171.0 171.5 10 10 Meter ID: MM01 <br /> 625 mg/L 20.1 20.2 7.48 7.48 8.8 8.8 172.0 171.9 10 10 <br /> 750 mg/L 20.1 20.0 7.49 7.49 8.9 8.8 172.4 172.6 10 10 <br /> Control 19.7 19.8 7.44 7.50 8.9 8.9 172.2 171.5 10 10 Date: 9/18/2025 <br /> 250 mg/L 20.1 19.9 7.15 7.27 8.7 8.8 171.9 171.7 10 10 Time: 09:24 AM <br /> 375 mg/L 19.8 19.9 7.43 7.48 8.9 8.7 172.4 172.8 10 10 Analyst: MTO <br /> 500 mg/L 19.8 19.7 7.54 7.55 8.8 8.9 172.4 173.2 10 10 Meter ID: MM01 <br /> 625 mg/L 19.8 19.8 7.56 7.57 8.9 9.0 174.4 173.8 10 10 <br /> 750 mg/L 19.9 19.9 7.56 7.55 9.0 8.9 174.6 175.3 10 10 <br /> Control 19.9 20.0 7.32 7.37 8.8 8.8 172.6 171.2 10 10 Date: 9/19/2025 <br /> 250 mg/L 20.0 20.0 7.40 7.39 8.9 8.9 173.4 172.9 10 10 Time: 09:39 AM <br /> 375 mg/L 19.9 20.0 7.47 7.48 8.9 8.7 173.1 173.1 10 10 Analyst: JAD <br /> 500 mg/L 19.8 19.8 7.51 7.52 8.8 8.9 173.0 173.8 10 10 Meter ID: MM01 <br /> 625 mg/L 19.8 19.9 7.53 7.53 8.9 8.9 175.7 174.6 10 10 <br /> 750 mg/L 20.0 20.0 7.53 7.53 8.8 8.8 175.0 175.9 10 10 <br /> Control 19.8 20.2 7.39 7.41 8.8 8.9 175.8 173.8 10 10 Date: 9/20/2025 <br /> 250 mg/L 20.1 20.0 7.39 7.41 8.9 8.8 174.5 173.8 10 10 Time: 11:14 AM <br /> 375 mg/L 19.9 20.0 7.40 7.33 8.9 8.7 177.4 173.9 10 10 Analyst: JRI <br /> 500 mg/L 19.8 19.8 7.37 7.37 8.8 8.8 173.9 174.8 10 10 Meter ID: MM01 <br /> 625 mg/L 19.9 20.0 7.37 7.38 8.9 8.9 177.3 175.3 10 10 <br /> 750 mg/L 20.0 20.0 7.39 7.39 8.5 8.6 175.6 176.9 10 10 <br /> Control 20.0 20.0 7.26 7.24 8.8 8.8 178.4 174.2 10 10 Date: 9/21/2025 <br /> 250 mg/L 20.1 19.6 7.44 7.44 8.9 8.8 175.3 176.5 10 10 Time: 01:02 PM <br /> 375 mg/L 19.8 20.0 7.44 7.43 8.9 8.7 174.6 174.2 10 10 Analyst: JAD <br /> 500 mg/L 19.8 18.1 7.43 7.44 8.7 8.8 174.2 182.6 10 10 Meter ID: MM01 <br /> 625 mg/L 19.8 19.9 7.44 7.46 8.8 8.9 178.8 176.4 10 10 <br /> 750 mg/L 20.0 19.9 7.44 7.43 8.9 8.7 176.1 177.9 10 10 <br /> (Cont.) <br /> CA ELAP 1644•ORELAP(NELAP)4033 <br /> Page 10 of 19 <br />