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OEC <br />0 <br />• <br />Oilfield Environmental & Compliance, Inc. <br />CalRecycle Project: Lathrop <br />432 Geranium Circle Project Number: PNA-S WIS 39-22 PNA Lathrop Reported: <br />Galt CA, 95632 Project Manager: Sabra Ambrose 02/23/2018 15:39 <br />1800597-07(Solid) <br />SWCSW3 (4-5') <br />Analyte Result RL Units Dilution Batch Prepared Analyzed Method Notes <br />EPA 1613E m <br />Surrogate: 03-1234789 HeplaCDF <br />87% <br />(26-138) 5397644 02/07118 02/16,118 EPA 1613E m <br />Surrogate: C13-123678 HesaCDD <br />87% <br />(28-130) <br />Surrogate: C13-OCDD <br />67% <br />(17-157) <br />Surrogate: 03-2378 TeiraCDF <br />71 % <br />(24-169) <br />Surrogate: C13-2378 TetraCDD <br />86% <br />(25-164) <br />.Surrogate: 37CL4 2378 Tetra CDD <br />81% <br />(35-197) " <br />Surrogate: C13-23478 PentaCDF <br />68% <br />(21 - 178) <br />Oilfield Environmental & Compliance, Inc. <br />Total Metals by EPA 6000/7000 Series Methods <br />Antimony <br />ND <br />2.4 mg/kg 1 B8A0735 01/30/18 02/05/18 EPA6010B <br />Arsenic <br />ND <br />1.9 " <br />Barium <br />49 <br />0.96 " <br />Beryllium <br />ND <br />0.48 " <br />Cadmium <br />0.48 <br />0.24 " <br />Chromium <br />17 <br />0.48 " <br />Cobalt <br />4.2 <br />0.48 " <br />Copper <br />4.7 <br />0.96 " <br />Lead <br />1.1 <br />0.48 " <br />Molybdenum <br />ND <br />0.48 " <br />Nickel <br />7.6 <br />0.24 " <br />Selenium <br />ND <br />1.9 " <br />Silver <br />ND <br />0.48 " <br />Thallium <br />ND <br />0.96 " <br />Vanadium <br />32 <br />0.96 " <br />Zinc <br />21 <br />0.96 " <br />Mercury <br />ND <br />0.091 B8B0089 02/05/18 02/05/18 EPA 7471A <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must he reproduced in its entirety. <br />B-02 <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 46 of 87 <br />