Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(6504 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988-9600 FAX (510)988 %73 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> `,Blaine Tech Servlces, Inc Client Project ID Shell Stockton /971117-Ml' " <br /> :1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 N <br /> ,,Attention Fran Thle Work Order# 9711 F35 -01-03, 05109, Reported Dec 16, 1997 <br /> 9711 F37-10=12 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Gas <br /> Benzene <br /> QC Batch# GC120197BTEX02A GC120197BTEX02A GC120197BTEX02A GC120197BTEX02A GC120197BTEX02A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst A Miraftab A.Miraftab A.Miraftab A. Miraftab A.Miraftab <br /> M S/MSD# 9711 107201 9711 C7201 9711 C7201 971107201 9711107201 <br /> Sample Conc • N D N D N D N D N D <br /> Prepared Date 12/1/97 12/1/97 12/1/97 12/1/97 12/1/97 <br /> Analyzed Date 12/1/97 12/1/97 12/1/97 12/1/97 12/1/97 <br /> Instrument I D # GCHP2 GCHP2 GCHP2 GCHP2 GCHP2 <br /> Conc. Spiked 10 pg/L 10 pg/L 10 pg/L 30 pg/L 60 pg/L <br /> Result 11 11 11 33 77 <br /> MS % Recovery 110 110 110 110 128 <br /> Dup Result 11 11 11 33 77 <br /> MSD % Recov.: 110 110 110 110 128 <br /> RPD 00 00 00 00 00 <br /> RPD-Limit 0-25 0-25 0-25 0-25 - 0-25 T <br /> LCS # BLK120197 BLK120197 BLK120197 BLK120197 BLK120197 <br /> Prepared Date 12/1/97 12/1/97 12/1/97 12/1/97 12/1/97 <br /> Analyzed Date 12/1/97 12/1/97 12/1/97 12/1/97 12/1/97 <br /> Instrument I D # GCHP2 GCHP2 GCHP2 GCHP2 GCHP2 <br /> Conc Spiked 10pg/L lopg/L 10pg/L 30pg/L 60p9/L <br /> LCS Result 11 11 11 33 77 <br /> LCS % Recov.. 110 110 110 110 128 <br /> 60-140 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note <br /> The LCS Is a control sample of known,interferent-free matrix that Is analyzed using th:same,reagents <br /> SEQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an af sample <br /> rtified with known quantities of specific compounds and subjected to the entire analytiedure If <br /> the recovery of analytes from the matrix spike does not fall within specified control limitsmatrix <br /> �nn interference,the LCS recovery is to be used to validate the batch <br /> Peggy Penner <br /> Project Maria er "*MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative% Difference 9711F35 SLA <1 > <br />