Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 4111 Wigct Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Iwo- Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Touchstone Developments Client Project ID 8264-2, Chevron 9-8264 <br /> P O Box 2554 Matrix Solid <br /> Santa Rosa, CA 95405 <br /> Attention Jeff Monroe Work Order # 9511A10-02-05 Reported Nov 27, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch# GC111595BTEXEXA GC111595BTEXEXA GC111595BTEXEXA GC111595BTEXEXA <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst G Garcia G Garcia G Garcia G Garcia <br /> MS/MSD # 951181101 951181101 951181101 951181101 <br /> Sample Conic N D NO N D N D <br /> Prepared Date 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Analyzed Date 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Instrument I D # GCHP1 GCHP1 GCHP1 GCHP1 <br /> Conc Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg <br /> Result 015 015 015 046 <br /> MS % Recovery 75 75 75 77 <br /> Dup Result 015 015 015 045 <br /> MSD % Recov 75 75 75 75 <br /> RPD 00 00 00 22 <br /> RPD Limit 0-50 0-50 0-50 0-50 <br /> LCS # BLK111595 BLK111595 BLK111595 8LK111595 <br /> Prepared Date 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Analyzed Date 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Instrument I D # GCHP1 GCHP1 GCHP1 GCHP1 <br /> Cone Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg <br /> LCS Result 018 018 018 053 <br /> LCS % Recov 90 90 90 88 <br /> MS/MSD <br /> LCS <br /> Control Limits 55-145 47-149 47 155 56-140 <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents <br /> SE OIA 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 /> interference,the LCS recovery is to be used to validate the batch <br /> Mark Cargasacchl <br /> Project Manager *"MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 9511A10 TTT -18> <br />