Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood 1 a City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wtget Lane Walnut Creek C1 94598 (510) 988 9600 FAX(51o)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Kleinfelder Client Project ID 20-3941-01 E01 <br /> 2825 East Myrtle St Matrix Soil <br /> Stockton, CA 95205 <br /> Attention Tony Martin QC Sample Group 6061257-58, 60-61, 64, 67, 70-71 Reported Jul 15, 1996 <br /> r <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl <br /> Benzene Toluene Benzene Xylenes Lead <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 6010 <br /> Analyst CL/BW CL/BW CL/BW CL/BW K Barta <br /> Concentration <br /> Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg 50 mg/kg <br /> LCS Batch# LCS070696 LCS070896 LCS070896 LCS070896 LCS070396A <br /> Date Prepared 07/08/96 07/08/96 07/08/96 07/08/96 07/03/96 <br /> Date Analyzed 07/08/96 07/08/96 07/08/96 07/08/96 07/05/96 <br /> Instrument I D # GCHP-1 GCHP 1 GCHP-1 GCHP-1 ICP 1 <br /> LCS <br /> Recovery 94 96 97 98 106 <br /> Control Limits 75-125 75-125 75-125 75-125 80-120 <br /> MS/MSD <br /> Batch # 6061270 6061270 6061270 6061270 6070011 <br /> Date Prepared 07/08/96 07/08/96 07/08/96 07/08/96 07/03/96 <br /> Date Analyzed 07/08/96 07/08/96 07/08/96 07/08/96 07/05/96 <br /> Instrument I D # GCHP-1 GCHP-1 GCHP-1 GCHP 1 ICP 1 <br /> Matrix Spike <br /> % Recovery 75 86 88 92 74 <br /> ' Matrix Spike <br /> Duplicate% <br /> Recovery 77 82 83 86 69 <br /> ' Relative% <br /> Difference 26 48 58 67 69 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS 1s 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/MSD's are advisory only <br /> Linda C Schneider and are not used to accept or refect batch results <br /> Project Manager/Sacramento Laboratory <br /> ' 6061257 KLF <10> <br />