Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 9q 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9673 <br /> Flo Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> 0 <br /> Del-Tech <br /> Client project It) Qtly C W Monitoring/Stan Morn pord <br /> 10624 Olive Ave Matrix Water <br /> Oakdale, CA 95361 <br /> Attention Don Light OC Sample Group 6110030-36 Reported Nov 18, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 1,1 Dlchloro- Trlchloro- Chloro- 1,1-Dichloro- Trlchloro- Chloro- <br /> ethane ethane benzene ethane ethane benzene <br /> Method EPA 601 EPA 601 EPA 601 EPA 601 EPA 601 EPA 601 <br /> Analyst K Pocan K Pocan K Pocan K Pocan K Pocan K Pocan <br /> Concentration <br /> Spiked 10 pg/L 10 pg/L 10 pg/L 10 pg/L 10 pg/L 10 pg1L <br /> LCS Batch# LCS111396 LCS111396 LCS111396 LCS111496 LCS111496 LCS111496 <br /> Date Prepared 11/13/96 11/13/96 11/13/96 11/14/96 11/14/96 11/14/96 <br /> Date Analyzed 11/13/96 11/13/96 11/13/96 11/14/96 11/14/96 11/14/96 <br /> Instrument I D # GC6 GC6 GC6 GC6 GC6 GC6 <br />• LCS <br /> Recovery 81 74 ao 77 72 84 <br /> Control Limits 65-135 70-130 70-130 65-135 70-130 70-130 <br /> MS/MSD <br /> Batch# 6110032 6110032 6110032 6110032 6110032 6110032 <br /> Date Prepared 11/13/96 11/13/96 11/13/96 11/13/96 11/13/96 11/13/96 <br /> Date Analyzed 11/13/96 11/13/96 11/13/96 11/13/96 11/13/96 11/13/96 <br /> Instrument 1 D # GC6 ccs GC6 GC6 GC6 GC6 <br /> Matrix Spike <br /> % Recovery 82 58 76 82 68 76 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 73 66 73 73 66 73 <br /> Relative % <br /> Difference 11 41 31 11 41 31 <br /> Please Note <br /> The LCS is a control sample of known,interferent free matrix that 1s analyzed using the same reagents, <br />. SEQUOIA ANALYTICAL preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> validation of sample batch results Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> 7project <br /> and are not used to acce t or ra ect batch results <br /> da C Schneider <br /> Manager/Sacramento Laboratory <br /> 6110030 DDD <8> <br />