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Alpha YAnalytical Laboratories, Inc. email: clientservices@alpha-labs.com <br />Corporate: 208 Mason Street I Ukiah, CA 95482 I T: 707-468-0401 I F: 707-468-5267 I ELAP# 1551 <br />Shimmick Construction Project Manager: Hagr Balla <br />8201 Edgewater Dr., Suite 202 Project: Smith Canal Reported: <br />Oakland, CA 94621 Project Number: CCR 66261.24 Tables land II 10/15/20 15:17 <br />TCLP Semivolatile Organic Compounds by EPA Method 8270C - Quality Control <br />Reporting Spike Source %REC RPD <br />Analyte(s) <br /> <br />Result <br /> <br />Limit Units Level Result %REC Limits RPD Limit Flag <br />Batch AJ03433 - SVOAs in Water GCMS <br />LCS (AJ03433-BS1) Prepared: 10/08/20 Analyzed: 10/14/20 <br />Surrogate: p-Terphenyl-d14 <br />Surrogate: Phenol-d6 <br />Surrogate: 2,4, 6-Tribromophenol <br />LCS Dup (AJ03433-BSD1) <br />0.0398 <br />0.0132 <br />0.0343 <br />mg/L <br />mg/L <br />mg/L <br /> <br />0.0400 99.5 36-141 <br /> <br />0.0400 33.0 1-65 <br /> <br />0.0400 85.8 4-168 <br />Prepared: 10/08/20 Analyzed: 10/14/20 <br />2,4-Dinittotoluene 0.0344 0.13 mg/L 0.0400 86.0 48-127 1.18 32 <br />Hexachlorobenzene 0.0341 0.13 mg/L 0.0400 85.2 8-142 0.677 25 <br />Hexachlorobutadiene 0.0316 0.50 mg/L 0.0400 79.1 38-120 5.52 40 <br />Hexachloroethane 0.0321 3.0 mg/L 0.0400 80.2 55-120 13.8 25 <br />2-Methylphenol (o-cresol) 0.0258 200 mg/L 0.0400 64.6 36-102 16.0 33 <br />3 & 4-Methylphenol (m & p-cresol) 0.0242 200 mg/L 0.0400 60.4 38-93 13.3 33 <br />Nitrobenzene 0.0328 2.0 mg/L 0.0400 81.9 54-158 5.71 30 <br />Pentachlorophenol 0.0224 100 mg/L 0.0400 55.9 38-152 20.1 49 <br />Pyridine 0.00757 5.0 mg/L 0.0400 18.9 15-95 9.70 25 <br />2,4,5-Trichlorophenol 0.0213 400 Ing/I- 0.0400 53.2 44-141 23.8 40 <br />2,4,6-Trichlorophenol 0.0243 2.0 mg/L 0.0400 60.8 52-129 3.51 41 <br />Surrogate: 2-Fluorobiphenyl 0.0361 mg/L 0.0400 90.2 27-119 <br />Surrogate: 2-Fluorophenol 0.0141 mg/L 0.0400 35.2 7-85 <br />Surrogate: Nitrobenzene-d5 0.0355 mg/L 0.0400 88.8 15-314 <br />Surrogate: p-Terphenyl-d14 0.0333 mg/L 0.0400 83.2 36-141 <br />Surrogate: Phenol-d6 0.0116 mg/L 0.0400 29.1 1-65 <br />Surrogate: 2,4,6-Tribromophenol 0.0235 mg/L 0.0400 58.8 4-168 <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. <br />Page 22 of 23