Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX (415) 3649233 <br /> RESNA yr + Client Project}ID W0402 00, Holt Bros <br /> 1710 Main Street Matrix Water F <br /> Escalon, CA 95320 <br /> "Attention John Lane QC Sample Group 31E9601-3 Reported Oct 13, 1993 <br /> + <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 1,1-Dichloroethene Tnchloroethene Chloro- Diesel <br /> benzene <br /> Method: EPA 8410 EPA 5010 EPA 8010 EPA 8015 <br /> Analyst: B Pdamah B Pitamah B Pitamah C Lee <br /> Conc. Spiked: 25 25 25 300 <br /> Units: Pg/L pg/L Ng/L u9/L <br /> LCS Batch#- BLK100693 BLK100693 BLK100693 BLK100593 <br /> Date Prepared: - - - 10/5/93 <br /> Date Analyzed: 10/6/93 10/6/93 10/6/93 10/6/93 <br /> Instrument I.D.#: GCHP-8 GCHP-8 GCHP-8 GCHP-5 <br /> LCS% <br /> Recovery. 92 96 100 85 <br /> Control Limits: 61-145 71-120 76-127 50-150 <br /> r , r rti i \{.. v+Y x.vwC t " r+n + >vx r++v. }' r rr rv++ r x + +r♦vi${ +v +*' ' 4vwxt r w+ +r wv t x r+,++x ,4}mv` +r++ vrv+,x " +++� <br /> MS/MSD <br /> Batch#: 3104601 3104601 3104601 31E9701 <br /> Date Prepared: - - - 10/5/93 <br /> Date Analyzed: 10/6/93 10/6/93 10/6/93 10/7/93 <br /> Instrument I.D.#: GCHP-8 GCHP-8 GCHP-8 GCHP-5 <br /> Matrix Spike <br /> % Recovery: 88 104 104 100 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 92 104 104 83 <br /> Relative% <br /> Difference: 44 00 00 19 <br /> OSEQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> wa?"— <br /> preparabon and analytical methods employed for the samples The LCS%reoovery 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 /> Vickie Tague and are not used to accept or refect batch results <br /> Project Manager 3IE9601 WAT <s> <br />