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1 • <br />GT�W, Oilfield Environmental &Compliance, Inc. <br />CalRecycle Project: Lathrop <br />432 Geranium Circle Project Number: PNA-SWIS 39-22 PNA Lathrop Reported: <br />Galt CA, 95632 Project Manager: Sabra Ambrose 02/23/2018 15:39 <br />1800597-03 (Solid) <br />NWCSW5 (6') <br />Analyte Result RL Units Dilution Batch Prepared Analyzed Method Notes <br />EPA 1613B m <br />Surrogate: C13-234678 HexaCDF <br />92% <br />(28-136) 5397644 02/07/18 02/15/18 EPA 1613E m <br />Surrogate: C13-123678 HexaCDF <br />97 % <br />(26-123) <br />Surrogate: C13-OCDD <br />72% <br />(17-157) <br />Surrogate: C13-1234789 HeptaCDF" <br />87% <br />(26-138) <br />Surrogate: C13-2378 TetraCDF <br />86% <br />(24-169) <br />Surrogate: C13-2378 TetraCDD <br />103% <br />(25-164) <br />Surrogate: 37CL4 2378 Tetra CDD <br />95% <br />(35-1917) <br />Oilfield Environmental & Compliance, Inc. <br />Total Metals by EPA 6000/7000 Series Methods <br />Antimony <br />ND <br />2.5 mg/kg 1 B8A0735 01/30/18 02/05/18 EPA 6010B <br />Arsenic <br />ND <br />2.0 " <br />Barium <br />39 <br />0.99 " <br />Beryllium <br />ND <br />0.50 " <br />Cadmium <br />0.39 <br />0.25 " <br />Chromium <br />12 <br />0.50 " <br />Cobalt <br />3.7 <br />0.50 " <br />Copper <br />4.6 <br />0.99 <br />Lead <br />1.4 <br />0.50 " <br />Molybdenum <br />ND <br />0.50 " <br />Nickel <br />6.6 <br />0.25 " <br />Selenium <br />ND <br />2.0 " <br />Silver <br />ND <br />0.50 " <br />Thallium <br />ND <br />0.99 " <br />Vanadium <br />24 <br />0.99 " <br />Zinc <br />20 <br />0.99 " <br />Mercury <br />ND <br />0.093 B8B0089 02/05/18 02/05/18 EPA 7471A <br />B-02 <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. 7his analytical report must he reproduced in its entirety. <br />Client Connect: client.oec.comlreports TEL: (805) 922-4772 <br />307 Roemer Way, Suite 300, Santa Maria, CA 934 www.oecusa.com FAX: (805) 925-3376 <br />Page 18 of 87 <br />