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Alpha Scientific Corporation <br />Environmental Laboratories <br />2916760 Gridley Road, Cerritos, CA 90703 Phone (562) 809-8880 Asc90703@gmail.com <br />03-26-2019 <br />PAHs by 8270-SIM (GC/MS) <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. AE903043-19 <br />Batch No. 0319-PAHW1 Date Analyzed: 03-22-2019 <br />I. MS/MSD Report <br />Unit: ppb <br />Analyte Sample <br />Conc. <br />Spike <br />Conc. <br />MS MSD MS <br />%Rec. <br />MSD <br />%Rec. <br />% RPD %RPD <br />Accept. <br />Limit <br />%Rec <br />Accept. <br />Limit <br />Benzo(a)anthracene ND 5 4.9 4.0 98.0 80.0 20.2 30 50-150 <br />Benzo(a)pyrene ND 5 5.3 5.5 106.0 110.0 3.7 30 50-150 <br />Naphthalene ND 5 4.9 5.3 98.0 106.0 7.8 30 50-150 <br />II. LCS Report <br />Unit: ppb <br />Analyte LCS Report Value True Value Rec.% Accept. Limit <br />Benzo(a)anthracene 4.7 5 94.0 60-130 <br />Benzo(a)pyrene 4.7 5 94.0 60-130 <br />Naphthalene 4.8 5 96.0 60-130 <br />ND: Not Detected.