Laserfiche WebLink
Sequoia- 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> Q 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(51o)968-9673 <br /> z <br /> 1%0- Analy l�Ca1- 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> EMCON Client Project ID ARCO 548, Stockton, CA <br /> 1433 N Market Blvd Matrix Water <br /> Sacramento, CA 95834 <br /> Attention Deanna Santos OC Sample Group 7111184-1189 Reported Dec 8, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Benzene <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8240 <br /> Analyst S Phillips S Phillips S Phillips S Phillips L Zu <br /> Concentration <br /> Spiked 10 ug/L 10 ug/1- 10 ug/L 30 ug/L 10 ug/L <br /> LCS Batch# LCS120297 LCS120297 LCS120297 LCS120297 LCS120197 <br /> Date Prepared 12/02/97 12/02/97 12/02/97 12/02/97 12/01/97 <br /> Date Analyzed - 12/02/97 12/02/97 12/02/97 12/02/97 12/01/97 <br /> Instrument I ❑ # GCHP-7 GCHP 7 GCHP-7 GCHP-7 F3 <br /> LCS <br /> Recovery 105 98 96 96 106 <br /> Control Limits 70-130 70-130 70-130 70-130 70-130 <br /> MS/MSD <br /> Batch # 7111306 7111306 7111306 7111306 9711 F37-10 <br /> Date Prepared 12/02/97 12/02/97 12/02/97 12/02/97 12/01/97 <br /> Date Analyzed. 12/02/97 12/02/97 12/02/97 12/02/97 12/01/97 <br /> Instrument I D # GCHP-7 GCHP 7 GCHP-7 GCHP-7 F3 <br /> Matrix Spike <br /> % Recovery 104 96 94 96 98 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 102 96 94 95 102 <br /> Relative % <br /> Difference 19 00 00 10 4 0 <br /> SEQ IA ANALYTICAL Please Note <br /> 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 QC limits for MS/MSDs are advisory only <br /> Inda C SchrTBider and are not used to accept or reject batch results <br /> Project Manager/Sacramento Labors ory <br /> 7111184 EMC <5> <br />