Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Sates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX (510)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> qRM-West Client Protect 11) 1218 03-Safeway/ Stockton <br /> 455 Capitol Mall, 8th Fir Matrix Water <br /> Sacramento, CA 95814 <br /> Attention Laurie Depies QC Sample Group 503-1167 Reported Apr 11, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Acena hthene Phenanthrene Pyrene Diesel <br /> Method EPA 8310 EPA 8310 EPA 8310 EPA 8015M <br /> Analyst L Haar L Haar L Haar C Lee <br /> Concentration <br /> Spiked 1000 ug/L 250 ug/L 100 ug/L 300 ug/L <br /> LCS Batch# LCS032895 LCS032895 LCS032895 LCSO40495 <br /> Date Prepared. 3/28/95 3/28/95 3/28/95 4/4/95 <br /> Date Analyzed 3/29/95 3/29/95 3/29/95 4/10/95 <br /> Instrument I D # GCW1 GCW1 GCW1 GCHP-3B <br /> LCS % <br /> • Recovery 99 64 96 80 <br /> Control Limits 50-150 50-150 50-150 60-130 <br /> MS/MSD <br /> Batch # BLK032895 BLK032895 BLK032895 BLK040395 <br /> Date Prepared 3/28/95 3/28/95 3/28/95 4/3/95 <br /> Date Analyzed 3/29/95 3/29/95 3/29/95 4/11/95 <br /> Instrument I D # GCW1 GCW1 GCW1 GCHP-3B <br /> Matrix Spike <br /> % Recovery 99 64 96 93 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 96 60 92 90 <br /> Relative % <br /> Difference 31 65 43 33 <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 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 013 limits for MS/MSD`s are advisory only <br /> and are not used to accept or reject batch results <br /> Linda C Schneider <br /> Project Manager <br /> 5031167 ERS <5> <br />