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Alpha Scientific Corporation <br />Environmental Laboratories <br />2716760 Gridley Road, Cerritos, CA 90703 Phone (562) 809-8880 Asc90703@gmail.com <br />03-26-2019 <br />EPA 8270C <br />Batch QA/QC Report <br />Client: Advanced GeoEnvironmental, Inc Lab Job No: AE903037 <br />Project: San Joaquin Cogeneration <br />Matrix: Water Lab Sample I.D.: LCS <br />Batch No: 0319-BNAW1 Date Analyzed: 03-24-2019 <br />LCS/LCSD Report <br />Unit: ppb <br />Compound MB Spike <br />Conc. <br />LCS LCSD LCS <br />%Rec. <br />LCSD <br />%Rec. <br />% RPD %RPD <br />Accept. <br />Limit <br />%Rec <br />Accept. <br />Limit <br />Phenol ND 100 70.5 69.7 70.5 69.7 1.1 40 12-130 <br />2-Chlorophenol ND 100 65.4 63.5 65.4 63.5 2.9 40 24-134 <br />1,4-Dichloro- <br />benzene <br />ND 50 38.5 38.6 77.0 77.2 0.3 40 36-124 <br />n-Nitroso-di-n- <br />propylamine <br />ND 50 43.1 45.3 86.2 90.6 5.0 40 41-230 <br />1,2,4-Trichloro <br />benzene <br />ND 50 46.0 45.9 92.0 91.8 0.2 40 44-142 <br />4-Chloro-3- <br />methylphenol <br />ND 100 65.9 67.6 65.9 67.6 2.5 40 22-147 <br />Acenaphthene ND 50 35.8 35.4 71.6 70.8 1.1 40 47-145 <br />4-Nitrophenol ND 100 98.6 89.7 98.6 89.7 9.5 58 12-132 <br />2,4-Dinitro- <br />toluene <br />ND 50 37.3 36.4 74.6 72.8 2.4 40 39-139 <br />Pentachloro- <br />phenol <br />ND 100 53.7 47.1 53.7 47.1 13.1 51 14-176 <br />Pyrene ND 50 45.5 47.1 91.0 94.2 3.5 30 26-130 <br />ND: Not Detected.