Laserfiche WebLink
• Sequoia _ 80 Chesapeake Drive Redwood City,CA 94063 Q- 415) 364-9600 FAX(415) 364-9233 <br /> 4D 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 <br /> FAX(510)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921.9600 FAX(916)921-0100 <br /> Del-Tech ...:.:. - . <br /> Client Project IC1. 4uarter1y G',W'."M6'hitoring <br /> 10624 Olive Ave. Matrix: Water <br /> Oakdale, CA 95361 <br /> Attention Don Light OC Sample Group: 6040384-89 Reported: Apr 17, 1996- <br /> :. <br /> P P <br /> I <br /> QUALITY CONTROL DATA REPORT i <br /> ' k <br /> ANALYTE Trichloro- Chloro- Trichloro- Chloro- <br /> 1,1-DCA ethane benzene 1,1-DCA ethane benzene <br /> b <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: 10pg/L 10pg/L 10ug/L 10Ng/L 101.tg/L 10Ng/L <br /> LCS Batch#: LCSO41596 LCSO41596 LCSO41596 LCSO41096 LCSO41096 LCSO41096 <br /> Date Prepared: 04/15/96 04/15/96 04/15/96 04/10/96 04/10/96 04/10/96 <br /> Date Analyzed: 04/15/96 04/15/95 04/15/96 04/10/96 04/10/96 04/10/96 <br /> Instrument I.D.#: GC-6 GC-6 GC-6 GC-6 GG-6 GC-6 <br /> LCS % <br /> Recovery: 69 68 73 83 76 82 <br /> Control Limits: 70-130 70-130 70-130 70-130 70-130 70-130 <br /> ......... ......... ..,> .....::: ......... ......:.> .....'.... ....:.......... ... <br /> r <br /> MS/MSD i <br /> Batch#: 6040284 6040284 6040284 6040296 6040296 6040296 <br /> Date Prepared: 04/15/96 04/15/96 04/15/96 04/09/96 04/09/96 04/09/96 <br /> Date Analyzed: 04/15/96 04/15/96 ,04/15/96 04/09/96 04/09/96 04/09/96 <br /> Instrument I.D.#: GC-6 GC-6 GC-6 GC-6 GC-6 GC-6 <br /> Matrix Spike <br /> %.Recovery: 68 63 65 92 90 84 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery: 61 58 58 71 66 71 <br /> Relative% t <br /> Difference: 10 7.2 10 26 31 17 <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 y <br /> validation of sample batch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only If <br /> K <br /> and are not used to accept or reject batch results. <br /> Linda C. SC eider 6 <br /> Project Manager/Sacramento Laboratory <br /> 6040384.DDD <7> <br />