Laserfiche WebLink
Sequoia 680 Chesapeake Dave Redwood Cay,CA 94063 (415) 364-9500 FAX(415) 364-9233 <br /> war 819 Analytical 404 N W get Lane Walnut Creek CA 94598 (510) 988-9600 FAX(5l0}988-9673 <br /> Stnker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921-0100 <br /> .t + w : <br /> rugro West, Inc Client Project 10 x Shelf;14i hN EI oorad`o, Sf&kion, CA ' <br /> 1050 Melody Lane, Ste 160 Matrix Water <br /> Roseville, CA 95678 ' <br /> Attention Sudhakar Talankl OC Sample Group 509-0177 Reported Sep 15, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE. 1,1-Dichioro- Chloro- <br /> ethene Tnchlaroethene Benzene Toluene benzene <br /> Method: EPA 624 EPA 524 EPA 624 EPA 624 EPA 624 <br /> Analyst: W Amundsen W Amundsen W Amundsen W Amundsen W Amundsen <br /> Concentration <br /> Spiked: 5o ug/L 5o ug/L so ug/L so ug/L 50 ug/L <br /> LCS Batch#' LCI-3091595 LCS091595 LCSM1595 LCS091595 LCS091595 <br /> Date Prepared: 9/15/95 9/15/95 9/15/95 9/15/95 9/15/95 <br /> Date Analyzed. 9/15/95 9/15/95 9/15/95 9/15/95 9/15/95 <br /> Instrument I D #' MS-F1 MS-F1 MS-F1 MS-F1 MS-F1 <br /> LCS % <br /> Recovery: n 96 96 98 102 <br /> • Control Limits. 59-172 62-137 66-142 59-139 60-133 <br /> n . . • n „„,}��.r, ,>xm+xv ++�� rr . n+nnt.+ ,c: C 4>n+mu 1.r t t,,,r r-., ,.. +.,,� ,`. `..' ^ + ` } <br /> ~ {`vvV lxrrYr +VyV' ++v0.++i'r�vi' v+v.+ +> ++v nP vi+},}Ln'vr$FFd'^{rtv+ + vv x .wu+v•vnv +v. v + " + <br /> MS/MSD <br /> Batch#. 5090381 5090381 5090381 5090381 5090381 <br /> Date Prepared: 9/15/95 9/15/95 9/15/95 9/15/95 9/15/95 <br /> Date Analyzed 9/15/95 9/15/95 9/15/95 9/15/95 9/15/95 <br /> Instrument I.D # MS-F1 MS-F1 MS-F1 MS-F1 MS-F1 <br /> Matrix Spike <br /> % Recovery: 73 108 100 90 sa <br /> Matrix Spike <br /> Duplicate% <br /> Recovery- 69 88 86 88 95 <br /> Relative% <br /> Difference. 65 21 14 23 30 <br /> Please(Vote <br /> The L.CS is a control sample of known,Interferent free matnx that Is analyzed using the same reagents, <br /> SEQUOIA ANALYTI AL preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> • nvalidation of sample batch results Due to matrix effects,the CC limits for MS/MSD's are advisory only <br /> � <br /> 'Ir and are not used to accelq or re ect batch results <br /> Linda Schneider <br /> Project Manager <br /> 5090177 FUG <7> <br />