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GT�N <br />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 />Total Metals by EPA 6000/7000 Series Methods - Quality Control <br />Analyte Result RL Units Spike Source %REC %REC RPD RPD Notes <br />Level Result Limits Limit <br />Batch B8A0735 - EPA 6010B Preparation: EPA 3050B 01/30/18 13:41 <br />LCS Dup (B8A0735-BSD1) <br />Analyzed: 02/01/18 11:24 <br />Antimony <br />95.0 <br />2.5 mg/kg <br />100 <br />95.0 <br />80-120 <br />0.739 <br />20 <br />Arsenic <br />99.7 <br />2.0 <br />100 <br />99.7 <br />80-120 <br />0.400 <br />20 <br />Barium <br />100 <br />1.0 <br />100 <br />100 <br />80-120 <br />0.992 <br />20 <br />Beryllium <br />100 <br />0.50 <br />100 <br />100 <br />80-120 <br />0.893 <br />20 <br />Cadmium <br />101 <br />0.25 <br />100 <br />101 <br />80-120 <br />1.33 <br />20 <br />Chromium <br />101 <br />0.50 <br />100 <br />101 <br />80-120 <br />1.32 <br />20 <br />Cobalt <br />100 <br />0.50 <br />100 <br />100 <br />80-120 <br />1.49 <br />20 <br />Copper <br />97.3 <br />1.0 <br />100 <br />97.3 <br />80-120 <br />1.63 <br />20 <br />Lead <br />101 <br />0.50 <br />100 <br />101 <br />80-120 <br />0.934 <br />20 <br />Molybdenum <br />95.0 <br />0.50 <br />100 <br />95.0 <br />80-120 <br />0.264 <br />20 <br />Nickel <br />102 <br />0.25 <br />100 <br />102 <br />80-120 <br />0.882 <br />20 <br />Selenium <br />97.9 <br />2.0 <br />100 <br />97.9 <br />80-120 <br />0.306 <br />20 <br />Silver <br />5.02 <br />0.50 <br />5.00 <br />100 <br />80-120 <br />2.17 <br />20 <br />Thallium <br />98.6 <br />1.0 <br />100 <br />98.6 <br />80-120 <br />1.21 <br />20 <br />Vanadium <br />100 <br />1.0 <br />100 <br />100 <br />80-120 <br />1.04 <br />20 <br />Zinc <br />101 <br />1.0 <br />100 <br />101 <br />80-120 <br />1.09 <br />20 <br />Duplicate (B8A0735-DUPI) <br />Source: 1800592-05 <br />Analyzed: 02/01/18 <br />11:54 <br />Antimony <br />ND <br />2.4 mg/kg <br />ND <br />20 <br />Arsenic <br />3.60 <br />1.9 <br />3.04 <br />16.7 <br />20 <br />Barium <br />72.8 <br />0.95 <br />87.8 <br />18.6 <br />20 <br />Beryllium <br />0.242 <br />0.47 <br />ND <br />20 <br />Cadmium <br />0.147 <br />0.24 <br />0.171 <br />15.2 <br />20 <br />Chromium <br />13.6 <br />0.47 <br />11.5 <br />16.5 <br />20 <br />Cobalt <br />6.15 <br />0.47 <br />5.48 <br />11.6 <br />20 <br />Copper <br />12.9 <br />0.95 <br />11.7 <br />9.54 <br />20 <br />Lead <br />10.5 <br />0.47 <br />I L6 <br />10.6 <br />20 <br />Molybdenum <br />0.365 <br />0.47 <br />0.472 <br />25.5 <br />20 <br />QR -04 <br />Nickel <br />14.9 <br />0.24 <br />12.1 <br />21.0 <br />20 <br />QR -04 <br />Selenium <br />ND <br />1.9 <br />ND <br />20 <br />Silver <br />ND <br />0.47 <br />ND <br />20 <br />Thallium <br />0.488 <br />0.95 <br />0.856 <br />54.7 <br />20 <br />QR -04 <br />Vanadium <br />22.6 <br />0.95 <br />20.9 <br />8.08 <br />20 <br />Zinc <br />41.1 <br />0.95 <br />41.7 <br />1.26 <br />20 <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 />Client Connect: clientoec.com\reports TEL: (805) 922-4772 <br />307 Roemer Way, Suite 300, Santa Maria, CA 934 www.oecusa.com FAX: (805) 925-3376 <br />Page 60 of 87 <br />