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(I PRTCMOH THY MKI <br /> Aa)w� Analytical Laboratory CERTIFICATE OFANALYSIS <br /> 3935 N. Coronado Ave, Stockton CA. 95204 Phone: (209) 477-8105 Monday, April 9, 2018 <br /> Report Page 5 of'8 <br /> Attention .4 Bill Palmer <br /> Sumiden Wire Products Corp . <br /> 1412 EI Pinal Drive <br /> Stockton , CA 95208-0719 <br /> Metals by EPA 6000/7000 Series Methods - Quality Control <br /> Precision Enviro-Tech <br /> Reporting Spike Source % REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch AD80602 - EPA 3050B <br /> Matrix Spike (AD80602- MSI ) _ Source : 8040520-01 Prepared : 06-Apr- 18 Analyzed : 07-Apr- 18 <br /> Beryllium 27.2 0. 0100 mg/kg dry 25 . 0 ND 109 75- 125 <br /> Cadmium 23 . 8 0. 100 25 . 0 ND 95 75 - 125 <br /> Chromium 42 . 2 0. 0100 25 . 0 12. 8 118 75 - 125 <br /> Cobalt 29 . 2 0. 0100 25 . 0 1 . 22 t t2 75425 <br /> Copper 117 0. 0100 25 . 0 71 . 0 185 75 - 125 QM-05 <br /> Lead 28 . 1 0 . 0100 25 .0 1 . 80 105 75 - 125 <br /> Mercury- 2 . 80 0. 0300 2 . 50 ND 112 75 - 125 <br /> Molybdenum 29 .2 0 . 0100 25 . 0 3 . 83 102 75 - 125 <br /> Nickel 56 . 0 0.0100 25 . 0 22. 5 134 75 - 125 QM-4X <br /> Selenium 25 . 1 0. 100 25 .0 ND 100 75 - 125 <br /> Silver 23 . 8 0. 0100 25 . 0 ND 95 75 - 125 <br /> Thallium 25 .9 1 . 00 25 . 0 ND 103 75 - 125 <br /> Zinc 44. 5 0 . 100 25 . 0 13 . 1 125 75 - 125 <br /> Matrix Spike Dup (AD80602-MSDI ) Source : 8040520-01 Prepared : 06-Apr- 18 Analyzed : 07 Apr- 18 <br /> Antimony 29 . 9 0 . 0100 mg/kg dry 25 . 0 ND 120 75 - 125 2 20 <br /> Vanadium 35 . 7 0 . 010 " 25 .0 8 . 38 109 75 - 125 2 20 <br /> Arsenic 30. 6 0 . 0100 It 25 . 0 4 . 95 103 75 - 125 0 . 7 20 <br /> Barium 33 .4 0 . 0100 25 . 0 6 . 53 108 75 - 125 2 20 <br /> Beryllium 26 . 7 0. 0100 25 . 0 ND 107 75- 125 2 20 <br /> Cadmium 23 . 5 0 . 100 25 . 0 ND 94 75 - 125 2 20 <br /> Chromium 41 . 6 0 .0100 25 . 0 12 . 8 115 75 - 125 2 20 <br /> Cobalt 28 . 6 0 . 0100 25 . 0 1 . 22 110 75 - 125 2 20 <br /> Copper 114 0 . 0100 25 . 0 71 . 0 173 75 - 125 3 20 QM -05 <br /> Lead 27 .9 0 . 0100 25 .0 1 . 80 104 75 - 125 0 . 7 20 <br /> Mercury 2 . 86 0 . 0300 2050 ND 115 75 - 125 2 20 <br /> Molybdenum 28 . 8 0 . 0100 25 . 0 3 . 83 100 75425 2 20 <br /> Nickel 54 . 1 0 . 0100 25 . 0 22 . 5 127 75 - 125 3 20 QN1-4X <br /> Selenium 24 . 6 0 . 100 25 . 0 ND 99 75- 125 2 20 <br /> Silver 23 . 7 0 . 0100 25 .0 ND 95 75 - 125 0 . 3 20 <br /> nig 1, milligrams per Liter = ppm DLR = Detection Lima Jhr Propose of Reporting. G- Grab Sample <br /> ug 1, microgt•anis per /,iter = ppb Exceptional sample matrices or mterlerenmy way C-Composite Sample <br /> result in higher detection lunits. <br /> Camp-Grab- Composite uJ' a Groh Sample eluting 2 F!n•s Grub period and <br /> RESPECTFULLY SUBMITTED, compostle into 1 sumple prior analyt;is <br /> Jonathan H . V . Le <br /> Laboratory Director <br /> E'LAP No . 2387 email: jhv1e�iw)elcrlczb. corn Web : petallab , eom Fa : (209) 5 =16 - 7497 <br />