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PRM30n TWIRGITC1 <br /> Analytical Laboratory <br /> 3935 N.Coronado Ave,Stockton CA.95204 Phone:(209)477-8105 CERTIFICATE OFANALYSIS <br /> Page 9 of 18 <br /> Attention: Richard Nelson <br /> UniFirst Corporation <br /> 819 N.Hunter Street <br /> Stockton,CA 95205 <br /> Quality Control <br /> (Continued) <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Qual Limit Units Level Result %REC Limits RPD Limit <br /> Batch; AD90206-EPA 30505(Continued) <br /> LCS(AD90206-BSI) Prepared&Analyzed:02-Apr-19 <br /> Lead 0.0491 0.0500 mg/kg 0.0500 98 75-125 <br /> Mercury 0.00446 0.000200 mg/kg 0.00500 89 75-125 <br /> Molybdenum 0.0501 0.0500 mg/kg 0.0500 100 75-125 <br /> Nickel 0.0474 0.0500 mg/kg 0.0500 95 75-125 <br /> Selenium 0.0505 0.100 mg/kg 0.0500 101 75-125 <br /> Silver 0.0486 0.0500 mg/kg 0.0500 97 75-125 <br /> Thallium 0.0490 0.00200 mg/kg 0.0500 98 75-125 <br /> Zinc 0.0499 0.100 mg/kg 0.0500 100 80-120 <br /> 11-CS Dup(AD90206-BSD1) Prepared&Analyzed:02-Apr-19 <br /> Antimony 0.0512 0.0500 mg/kg 0.0500 102 75-125 4 20 <br /> Vanadium 0.052 0.050 mg/kg 0.0500 103 75-125 4 20 <br /> Arsenic 0.0514 0.0500 mg/kg 0.0500 103 75-125 2 20 <br /> Barium 0.0504 0.0500 mg/kg 0.0500 101 75-125 5 20 <br /> Beryllium 0.0542 0.0500 mg/kg 0.0500 108 75-125 1 20 <br /> Cadmium 0.0510 0.0500 mg/kg 0.0500 102 75-125 2 20 <br /> Chromium 0.0523 0.0500 mg/kg 0.0500 105 75-125 6 20 <br /> Cobalt 0.0514 0.0500 mg/kg 0.0500 103 80-120 8 20 <br /> Copper 0.0502 0.0500 mg/kg 0.0500 100 75-125 6 20 <br /> Lead 0.0533 0.0500 mg/kg 0.0500 107 75-125 8 20 <br /> Mercury 0.00530 0.000200 mg/kg 0.00500 106 75-125 17 20 <br /> Molybdenum 0.0507 0.0500 mg/kg 0.0500 101 75-125 1 20 <br /> Nickel 0.0508 0.0500 mg/kg 0.0500 102 75-125 7 20 <br /> Selenium 0.0549 0.100 mg/kg 0.0500 110 75-125 8 20 <br /> Silver 0.0502 0.0500 mg/kg 0.0500 100 75-125 3 20 <br /> Thallium 0.0533 0.00200 mg/kg 0.0500 107 75-125 9 20 <br /> Zinc 0.0536 0.100 mg/kg 0.0500 107 80-120 7 20 <br /> The contents of this report apply to the samples)analyzed in accordance with the chain of custody document. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan H.V.Le,Laboratory Director <br /> FLAP No. 2387 email:ihvle(&Petallab.com Web:petallab.com Phone: (209) 477-8105 <br />