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pRTUNQR T"© Q CERTIFICATE OFANALYSIS <br /> Analytical Laboratory <br /> (D 3935 N.Coronado Ave,Stockton CA.95204 Phone:(209)477-8195 <br /> UniFirst Corporation Project Number: UFC <br /> 819 N.Hunter Street Project Name: Effluent(1 per Week&2 per Week) Work Order No.: <br /> Stockton,CA 95205 Project Manager: William Geary <br /> Conventional Chemistry Parameters by APHA/EPA Methods <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> (2010405-01)Final Eff.Auto 24hrs Comp.Sampler Sample Type-Composite Sampled Begin:03-Jan-22 11:00 Sampled End:04-Jan-22 11:00 <br /> Received:04-Jan-22 14:11 @Temp:5 Celsius <br /> Biochemical Oxygen Demand 430 2.0 mg/L 1 AA20510 05-Jan-22 05-Jan-22 SM 5210 B <br /> Total Dissolved Solids(TDS) 1700 1.0 AA20610 06-Jan-22 06-Jan-22 SM 2540 C <br /> Total Suspended Solids(TSS) 120 1.0 AA20512 05-Jan-22 05-Jan-22 SM 2540 D <br /> Total Dissolved Volatile Solids(VDS) 690 1.0 AA20610 06-Jan-22 06-Jan-22 SM 2540 E <br /> (2010405-02)Automactic 24 Hrs Composite(Monthly Metals) Sample Type-Composite Sampled Begin:03-Jan-22 11:00 Sampled End: <br /> 04-Jan-22 11:00 Received:04-Jan-22 14:11 @Temp:5 Celsius <br /> Arsenic ND 0.010 mg/L 1 AA21804 18-Jan-22 18-Jan-22 EPA 200.8 <br /> Cadmium ND 0.0050 " <br /> Chromium ND 0.010 " <br /> Copper 0.061 0.050 " <br /> Lead 0.014 0.0050 " <br /> Mercury ND 0.0010 " <br /> Nickel 0.020 0.0050 " <br /> Silver ND 0.010 " <br /> Zinc 0.28 0.020 " <br /> (2010405-03)Final Effluent at Discharge Flume Sample Type-Grab Sampled Begin:04-Jan-22 11:00 Sampled End:04-Jan-22 11:00 <br /> Received:04-Jan-22 14:11 @Temp:5 Celsius <br /> Cyanide(total) ND 0.010 mg/L 1 AA21112 11-Jan-22 11-Jan-22 EPA 335.4 <br /> Methylene Blue Active Substances 4.37 0.100 AA20413 04-Jan-22 06-Jan-22 SM 5540 C <br /> (MBAS) <br /> Oil&Grease(HEM) 43 3.0 AA20611 06-Jan-22 06-Jan-22 EPA1664A <br /> Non-Polar Material(SGT-HEM) 13 3.0 " " " " <br /> (2010603-01)Final Eff.Auto 24hrs Comp.Sampler Sample Type-Composite Sampled Begin:05-Jan-22 11:00 Sampled End:06-Jan-22 11:00 <br /> Received:06-Jan-22 11:21 @Temp:5 Celsius <br /> Biochemical Oxygen Demand 430 2.0 mg/L 1 AA20616 06-Jan-22 06-Jan-22 SM 5210 B <br /> Total Suspended Solids(TSS) 86 1.0 " " AA21012 10-Jan-22 10-Jan-22 SM 2540 D <br /> (2010603-02)Final Effluent at Discharge Flume Sample Type-Grab Sampled Begin:06-Jan-22 11:00 Sampled End:06-Jan-22 11:00 <br /> Received:06-Jan-22 11:21 @Temp:5 Celsius <br /> Oil&Grease(HEM) 75 3.0 mg/L 1 AA20611 06-Jan-22 06-Jan-22 EPA1664A <br /> Non-Polar Material(SGT-HEM) 25 3.0 " " " " " " <br /> (2011104-01)Automatic 24 hrs Composite Sampler Sample Type-Composite Sampled Begin: 10-Jan-22 11:00 Sampled End:11-Jan-22 11:00 <br /> Received:11-Jan-22 11:00 @Temp:5 Celsius <br /> Biochemical Oxygen Demand 260 2.0 mg/L 1 AA21213 12-Jan-22 12-Jan-22 SM 5210 B <br /> Total Suspended Solids(TSS) 120 1.0 AA21214 12-Jan-22 12-Jan-22 SM 2540 D <br /> (W.Iilf� <br /> Approved By <br /> Precision Enviro-Tech. — California D.O.H.S.Cert.#2387 <br /> Page 3 of 21 <br />