Laserfiche WebLink
' Sequoia 6B0 Chesapeake Dnve Redwood City CA 94063 (650) 364 9600 FAX (650)364 9233 <br /> rV� 1 404 N Wiget Lane Walnut Creek CA 94598 (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 311-1741A/5447, Stockton <br /> 2025 Gateway Place, Suite 440 Matrix Solid <br />' San Jose, CA 95110 <br /> Attention J Nelligan Work Order # 9802975 Reported Feb 24, 1998 <br />' QUALITY CONTROL DATA REPORT <br /> Analyte' Benzene Toluene Ethyl Xylenes Gas <br />' Benzene <br /> QC Batch# GCO21898BTEXEXA GCO21898BTEXEXA 00O218988TEXEXA GCO21898BTEXEXA GCO21898BTEXEXA <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 J Minkel J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD# 980292505 980292505 980292505 980292505 980292505 <br />' Sample Conc . N D N D N D ND ND <br /> Prepared Date 2/18/98 2/18/98 2/18/98 2/18/98 2/18/98 <br /> Analyzed Date 2/19/98 2/19/98 2/19/98 2/19/98 2/19/98 <br /> Instrument I D #• GCHP1 GCHP1 GCHP1 GCHP1 GCHP1 <br />' Conc Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg 1 2 mg/Kg <br /> Result 017 017 018 053 12 <br /> MS % Recovery 85 85 90 88 100 <br /> Dup Result 017 017 018 054 12 <br /> MSD % Recov 85 85 90 90 100 <br />' RPD 00 00 00 19 D0 <br /> RPD Limit 0-25 0-25 0-25 0-25 0-25 <br /> LCS # BLK021898 BLK021898 BLK021898 BLK021898 BLK021898 <br /> Prepared Date 2/18/98 2/18/98 2/18/98 2/18/98 2/18/98 <br /> Analyzed Date 2/18/98 2/18/98 2/18/98 2/18/98 2/18/98 <br /> Instrument I D # GCHP1 GCHP1 GCHP1 GCHP1 GCHP1 <br />' Conc Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg 1 2 mg/Kg <br /> LCS Result 019 019 020 059 1 3 <br /> LCS %Recov- 95 95 100 98 108 <br /> 60-140 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 7D-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 /> SEQUOIA ANALYTICAL 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 /> Tod Granicher interference,the LGS recovery is to be used to validate the batch <br /> Project Manager MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 9802975 PPP <2> <br />