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I a) <br />Sequoia <br />Analytical <br />L <br />Analyte: Diesel <br />QC Batch#: GCO926960HBPEXA <br />Analy. Method: EPA 8015M <br />Prep. Method: EPA 3550 <br />680 Chesapeake Drive Redwood City, CA 94063 (415) 364.9600 FAX (415) 364.9233 <br />404 N. Wiget Lane Walnut Creek, CA 94598 (510) 988-9600 FAX (510) 988-9673 <br />819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916) 921.0100 <br />Client Project ID: 20941, 94-261-94-20 <br />Matrix: Solid <br />Work Order #: 9609D08-07-12, 16 Reported: Oct 3, 1996 <br />Analyst: <br />B. Sullivan <br />MS/MSD #: <br />Smith Environmental <br />441 N. Whisman, Bldg. 23 <br />2.3 <br />Mountain View, CA 94043 <br />Prepared Date: <br />::Attention: Rich Garlow <br />L <br />Analyte: Diesel <br />QC Batch#: GCO926960HBPEXA <br />Analy. Method: EPA 8015M <br />Prep. Method: EPA 3550 <br />680 Chesapeake Drive Redwood City, CA 94063 (415) 364.9600 FAX (415) 364.9233 <br />404 N. Wiget Lane Walnut Creek, CA 94598 (510) 988-9600 FAX (510) 988-9673 <br />819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916) 921.0100 <br />Client Project ID: 20941, 94-261-94-20 <br />Matrix: Solid <br />Work Order #: 9609D08-07-12, 16 Reported: Oct 3, 1996 <br />MS/MSD 50-150 <br />LCS 60-140 <br />Control Limits <br />SEQUO NA F.YTIC <br />Vyt An is <br />Project Manager <br />Please Note: <br />The LCS is a control sample of known, interferent -free matrix that is analyzed using the same reagents, <br />preparation, and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br />fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br />the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br />interference, the LCS recovery is to be used to validate the batch. <br />** MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative % Difference 9609D08.SSS <3> <br />Analyst: <br />B. Sullivan <br />MS/MSD #: <br />9609D1201 <br />Sample Conc: <br />2.3 <br />Prepared Date: <br />9/26/96 <br />Analyzed Date: <br />9/30/96 <br />Instrument I.D.#: <br />GCHP5 <br />Conc. Spiked: <br />25 mg/Kg <br />Result: <br />23 <br />S % Recovery: <br />83 <br />I <br />Dup. Result: <br />22 <br />MSD % Recov.: <br />79 <br />RPD: <br />4.4 <br />RPD Limit: <br />0-50 <br />LCS #: <br />BLK092696 <br />Prepared Date: <br />9/26/96 <br />Analyzed Date: <br />9/3o/96 <br />Instrument I.D.#: <br />GCHP5 <br />Conc. Spiked: <br />25 mg/Kg <br />LCS Result: <br />26 <br />LCS % Recov.: <br />104 <br />MS/MSD 50-150 <br />LCS 60-140 <br />Control Limits <br />SEQUO NA F.YTIC <br />Vyt An is <br />Project Manager <br />Please Note: <br />The LCS is a control sample of known, interferent -free matrix that is analyzed using the same reagents, <br />preparation, and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br />fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br />the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br />interference, the LCS recovery is to be used to validate the batch. <br />** MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative % Difference 9609D08.SSS <3> <br />