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na ELAP Cert #: <br />SAN FRANCISCO PUBLIC UTILITIES COMMISSION SEWPCP 1721 <br />Water Quality Laboratory <br />FOLDER ID: 1739857 <br />Client: WQ—ENG <br />Project: WQ—ENG—SPECIAL Scheduled Sample Date: 11/18/2017 <br />Routine: Sampling Team: Field <br />Date Collected: 11118/17 11:00 a Date Received: <br />11120/17 7:36 arrSarnple Matrix: <br />Aqueous <br />LocationDesc: <br />Alameda East <br />Test/Analyte <br />Result Unit <br />MDL <br />MRL <br />Analyzed Date <br />Flae/Corrnments <br />SEM 245.1 DW(EPA245.1) <br />Mercury, Hg <br /><0.2 lig/L <br />0.05 <br />0.2 <br />11/22/2017 <br />75904 <br />MSALVATO <br />QC list for Rung: 75904 and Test: SEM-245.1—DW (EPA 245.1) <br />Sample# Name Analyte <br />Result <br />Units <br />% Rec <br />RPD <br />MDL <br />MRL Flag/Comments <br />QC1748613-01 <br />LCS Mercury, Hg <br />8.26 <br />µg/L <br />96 <br />0.05 <br />0.2 <br />QC1748613-02 <br />BLK Mercury, Hg <br /><0.2 <br />µg/L <br />0.05 <br />0.2 <br />QC1748613-03 <br />LCS Mercury, Hg <br />1.8 <br />µg/L <br />90 <br />0.05 <br />0.2 <br />QC1748613-04 <br />DUP Mercury, Hg <br /><0.2 <br />µg/L <br />N/A <br />0.05 <br />0.2 Splt# 1739857-01 <br />(<0.2µg/L) <br />QC1748613-05 <br />SPK Mercury, Hg 1.84 µg/L 92 0.05 0.2 Splt# 1739857-01 <br />(<0.2µg/L) <br />QC1748613-06 <br />SPKD Mercury, Hg 1.75 µg/L 87 5 0.05 0.2 Splt# 1739857-01 <br />(<0.2µg/L) <br />Reported By: JTIN <br />Reported On: 16 -Feb -2018 <br />Certificate of Analysis Page 2 of 3 <br />