Laserfiche WebLink
Sequoia <br /> 680 Chesapeake Drive Redwood City CA 94063 (650) 3649600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988 9600 FAX(925)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (906)921-9600 FAX(916)921-0300 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707) 792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos, CA 94070 4111 (650) 232 9600 FAX(650)232 9612 <br /> PATC Associates, Inc Client Project ID Van Dyken Property 14981 0001 <br /> 1117 Lone Palm Avenue Matrix Solid <br /> ' Modesto, CA 95351-1502 <br /> Attention Jeanne Homsey Work Order# 9902A41-01-03 Reported Mar 8, 1999 <br /> ' QUALITY CONTROL DATA REPORT <br /> Analyte MTBE <br /> QC Batch# SP0226998260EXA <br /> Analy Method EPA 8260 <br /> Prep Method EPA 5030 <br /> Analyst N Nelson <br /> MS/MSD # 9021899 <br /> ' Sample Cone N D <br /> Prepared Date 2/26/99 <br /> Analyzed Date 3/1/99 <br /> ' Instrument I D # GCMS2 <br /> Cone Spiked 2500 Y9/K9 <br /> Result 2800 <br /> MS % Recovery 112 <br /> Dup Result 3000 <br /> MSD % Recov 120 <br /> ' RPD 69 <br /> RPD Limit 025 <br /> LCS # LCS022699 <br /> ' Prepared Date 2/26/99 <br /> Analyzed Date 3/1/99 <br /> ' Instrument I D # GCMS2 <br /> Cone Spikes! 2500 pg/Kg <br /> LCS Result 2400 <br /> LCS % Recov 96 <br /> 60 140 <br /> LCS 70-130 <br /> Control Limits <br /> Please Nate <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents <br /> Elap#1271 preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> It fortified with known quantities of specific compounds and subjected to the entire analytical procedure tf <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> ZKImyat-� interference the LCS recovery is to be used to validate the batch <br /> ' Project Manager **MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative% Difference 9902A41 AAA <2> <br />