Laserfiche WebLink
Sequoia 080 ChcsaoeaKe Drive 7�cdwooa C,tv CA 94063 A]5) 364 9600 -AX (415) 364 9233 <br /> IWAV �nalvtical 900 1,11c%Avcnuc ��cc u Concara CA 94520 510) 68o 9600 cAX(510r 686 9689 <br /> 319 Striker Avenue ou c 8 Sscramcnco CA 95834 916) 921 9600 "FAX (916)921 0100 <br /> Brown & Caldwell Client Project 0 Arco 2133-94-5 Stockton <br /> 9616 Micron Avenue Suite 600 Matrix Water <br /> Sacramento CA 95827 <br /> Attention Mindy Wright OC Sample Goup 407-0473 Reported Jul 26 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 24-Dmrtro Penta- <br /> Acenaphthene a Nitrophenal toluene chlorophenol Pvrene <br /> Method EPA 8270 EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Analyst K Lee K Lee K Lee K Lee K Lee <br /> Concentration <br /> Spliced 100 ug/L 100 ug/L 00 ug/L 100 ug/L 100 ug/L <br /> LCS Batch# BLK071694 BLK071694 BLK071694 BLK071694 BLK071694 <br /> Date Prepared 7/16/94 7/16/94 7/16/94 7/16/94 7/16/94 <br /> Date Analyzed 7/25/94 7/25/94 7/25/94 7/25/94 7/25/94 <br /> Instrument I D # GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 <br /> LCS % <br /> Recovery, 69 ss 67 51 sa <br /> Control Limrts 46-118 10-80 24-96 9-103 26-127 <br /> m <br /> MS/MSD <br /> Batch#• BLKC171694 BLKa71694 BLKE71694 BLK071694 BLK071694 <br /> Date Prepared: 7/16/94 7/16/94 7/16/94 7/16/94 7/16/94 <br /> Date Analyzed 7/25/94 7/25/94 7/25/94 7/25/94 7/25/94 <br /> Instrument I D # GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 <br /> Matnx Spike <br /> % Recovery 69 58 67 51 84 <br /> Matnx Spike <br /> Duplicate% <br /> Recovery, 89 72 84 61 105 <br /> Relative% <br /> Difference 25 21 22 18 22 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS 1s a control sample of known,Interferent free matrix that Is analyzed using the same reagents <br /> CIA0. , <br /> D <br /> Cpreparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> validation of sample batch results Due to matnx effects,the QC limits for MS/MSG's are advisory only <br /> Craig Ce and are not used to accept or reject batch results <br /> Project Manager Page 2 of 2 <br /> 4070473 SRS <12> <br />