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Alpha Scientific Corporation <br />Environmental Laboratories <br />3416760 Gridley Road, Cerritos, CA 90703 Phone (562) 809-8880 Asc90703@gmail.com <br />03-25-2019 <br />PAHs by 8270-SIM (GC/MS) <br />Batch QA/QC Report <br />Client: Advanced GeoEnvironmental, Inc Lab Job No: AE903029 <br />Project: San Joaquin Cogeneration <br />Matrix: Soil Lab Sample I.D. AE903033-1 <br />Batch No. 0314-PAHS1 Date Analyzed: 03-16-2019 <br />I. MS/MSD Report <br />Unit: ppm <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 0.25 0.265 0.245 106.0 98.0 7.8 30 50-150 <br />Benzo(a)pyrene ND 0.25 0.215 0.225 86.0 90.0 4.5 30 50-150 <br />Naphthalene ND 0.25 0.235 0.220 94.0 88.0 6.6 30 50-150 <br />II. LCS Report <br />Unit: ppm <br />Analyte LCS Report Value True Value Rec.% Accept. Limit <br />Benzo(a)anthracene 0.220 0.25 88.0 70-130 <br />Benzo(a)pyrene 0.225 0.25 90.0 70-130 <br />Naphthalene 0.220 0.25 88.0 70-130 <br />ND: Not Detected.