Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wigct Lane Walnut Creek CA 94.598 (510) 988 9600 FAX (510) 988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Pacific Environmental Group Client Project ID 310-040 5A/ 2859, Stockton <br /> 2025 Gateway Place, Suite 440 <br /> San Jose, CA 95110 <br /> Attention Andrew Lehane Work Order# 9605154 02 Reported May 10, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GC050396BTM3A GC050396BTEX03A GC050396BTEX03A GC0503966TEX03A <br /> Analy. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst J woo J woo J Woo J woo <br /> MS/MSD# 95041-12701 95041-12701 95041-12701 9504H2701 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 5/3/96 5/3/96 5/3/96 5/3/96 <br /> Analyzed Date 5/3/96 5/3/96 5/3/96 5/3/96 <br /> Instrument I D # GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc Spiked 10 ug/L 10 ug/L 10 erg/L 30 ug/L <br /> Result 10 10 10 30 <br /> MS % Recovery 100 100 100 100 <br /> Dup Result 99 10 10 30 <br /> MSD %Recov 99 100 100 100 <br /> RPD 10 00 00 00 <br /> RPD Limit 0-25 0-25 0-25 0-25 <br /> LCS # BLK050396 BLK050396 BLK050396 BLK050396 <br /> Prepared Date. 5/3/96 5/3/96 5/3/96 5/3/96 <br /> Analyzed Date 5/3/96 5/3/96 5/3/96 5/3/96 <br /> Instrument I D # GCHP3 GCHP3 GCHP3 GCHP3 <br /> Conc Spiked 10ug/L 10Ng/L 10ug/L 30ug/L <br /> LCS Result 99 10 10 30 <br /> LCS % Recov 99 100 100 100 <br /> 90-140 60-140 60-140 60-140 <br /> LCS 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 the same reagents, <br /> SE UOIA ANALYTICA 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 /> Claudia Hlrotsu <br /> � interference,the LCS recovery is to be used to validate the batch <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9605154 PPP <2> <br />