Laserfiche WebLink
Sequoia 680 Chcsaptake Dnvc Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> ti 404 N Wigct Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 9,573 <br /> Analytical 819 sinker,Avcnuc Suuc 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 92t 0100 <br /> 1W <br /> I*Pacjfic Environmental Group, Inc Client Project ID Arco 434, Lodi, CA <br /> 11315 Sunrise Gold Circle, #M Matrix Water <br /> Rancho Cordova, CA 95742 <br /> Attention Greg Barclay QC Sample Group 6020676-0688 Reported Feb 29, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl <br /> Benzene Toluene Benzene Xylenes <br /> Method EPA 8020 EPA 6020 EPA 8020 EPA 8020 <br /> Analyst BW/CC BW/CC BW/CC BW/CC <br /> Concentration <br /> Spiked, 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Batch# LCS022296 LCS022296 LCS022296 LCS022296 <br /> Date Prepared. 02/22/96 02/22/96 02/22/96 02/22/96 <br /> Date Analyzed 02/22/96 02/22/96 02/22/96 02/22/96 <br /> Instrument I D #- GCHP-2 GCHP-2 GCHP-2 GCHP 2 <br /> . LCS % <br /> Recovery 83 85 92 92 <br /> Control Limits 75-125 75-125 75-125 75-125 <br /> MS/MSD <br /> Batch # 6020695 6020695 6020695 6020695 <br /> Date Prepared 02/22/96 02/22/96 02/22/96 02/22/96 <br /> Date Analyzed 02/22/96 02/22/96 02/22/96 02/22/96 <br /> Instrument I D # GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Matrix Spike <br /> % Recovery 84 83 64 78 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 78 77 78 78 <br /> Relative% <br /> Difference 74 75 74 0 0 <br /> SEQUOIA ANALYTICAL Please Note <br /> 4V4 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 1s used for <br /> validation of sample batch results Due to matrix effects the QC limits for MS/MSO s are adwsory only <br /> Janet H an and are not used to accept or reject batch results <br /> Project Manager/Sacramento Labor-aro-Ty <br /> 6020676 PEs <5> <br />