Laserfiche WebLink
Y <br /> Sequoia 680 Chesaaealce Drive redwood Ctv CA 94063 1415) 364 9600 cAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord CA 94520 f510) 686 9600 FAX (5101 686 9689 <br /> Analvticai 319 Striker Avcnue Suitc 8 5acramenta CA 95834 916) 921 9600 FAX (916)921 0100 <br /> Brown & Caldwell <br /> Client Protect 1D Arco 2133-95-5 Stockton <br /> 9616 Micron Ave Suite 600 Matrix Water <br /> Sacramento, CA 95827 <br /> Attention Mindy Patterson QC Sample Goup 501-0311 Reported Jan 26 1995 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 1 4-Dlchloro- N Nitroso-01- 1 2 4-Trichlorc 4-Chloro-3- <br /> Phenol 2 Chlaroohenol benzene N ciropylamine benzene Meth I hen I <br /> Method: EPA 625 EPA 625 EPA 625 EPA 625 EPA 625 EPA 625 <br /> Analyst: S Le S Le S Le S Le S Le S Le <br /> Concentration <br /> Spiked 200 ug/L 200 ug/L 100 ug/L 100 ug/L 100 ug/L 200 ug/L <br /> LCS Batch# LCS011895 LCS011895 LCS011895 LCS011895 LCS011895 LCS011895 <br /> Date Prepared: 1/18/95 1/18/95 1/18/95 1/18/95 1/18/95 1/18/95 <br /> Date Analyzed: 1/19/95 1/19/95 1/19/95 1/19/95 1/19/95 1/19/95 <br /> Instrument I.D.#. GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 <br /> LCS % <br /> Recovery: 72 77 74 72 66 65 <br /> Control Limits: 12-89 27-123 36-97 41-116 39-98 23-97 <br /> n f ^^fFwt On <br /> MS/MSD <br /> Batch #' B1-K011895 BLK011895 BLK011895 BLK011895 BLK011895 BLK011895 <br /> Date Prepared: 1/18/95 1/18/95 1/18/95 1/18/95 1/18/95 1/18/95 <br /> Date Analyzed: 1/19/95 1/19/95 1/19/95 1/19/95 1/19/95 1/19/95 <br /> Instrument I.D.#: GCJMS 1 GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 GC/MS 1 <br /> Matrix Spike <br /> % Recovery- 72 77 74 72 66 65 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 78 83 82 78 74 71 <br /> Relative % <br /> Difference: 80 75 10 80 11 8 8 <br /> Please Note <br />. SEQUOIA ANALYTICAL The LCS Is a control sample of known Interferent free matrix that Is analyzed using the same reagents, <br /> 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 CSC limits for MS/MSG's are advisory only <br /> Je ie Higgins <br /> and are not used to accept or reject batch results <br /> Project Manager Page f of 2 <br /> 5010311 BFIS <10> <br />