Laserfiche WebLink
Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wtget Lane Walnut Creek CA 94598 (51 Q) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite B Sacramento CA 95634 (916) 921 9600 FAX(916)921 0100 <br /> EMCON Client Project ID ARCO 548, Stockton, CA <br /> 1433 N Market Blvd Matrix Soil <br /> Sacramento, CA 95834 <br /> Attention Mark Capps QC Sample Group 802-0242 Reported Feb 19, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl <br /> Benzene Toluene Benzene Xylenes Diesel PCB 1260 <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 DHS LUFT EPA 8080 <br /> Analyst C Lee C Lee C Lee C Lee C Lee L Bettencourt <br /> Concentration <br /> Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg 12 5 mg/kg 125 erg/kg <br /> LCS Batch# LCS021198 LCS021198 LCS021198 LCS021198 LCS021798 LCS021798 <br /> Date Prepared 02/11/98 02/11/98 02/11/98 02/11/98 02/17/98 02/17/98 <br /> Date Analyzed 02 11 '98 02/11/98 02/11/98 02/11/98 02/17/98 02/17/98 <br /> Instrument I D # GCHP 2 GCHP 2 GCHP 2 GCHP 2 GCHP 3B GCHP-46 <br /> LCS <br /> Recovery 105 107 106 105 98 94 <br /> Control Limits 70130% 70130% 70-130% 70130% 60-140% 40-140% <br /> MS/MSD <br /> Batch # 8020229 8020229 8020229 8020229 8020302 8020242 <br /> Date Prepared 02 11/98 02/11/98 02/11/98 02/11/98 02/17/98 02/17/98 <br /> Date Analyzed 02/11/98 02/11/98 02/11/98 02/11/98 02/17/96 02/17/98 <br /> Instrument I D # GCHP 2 GCHP-2 GCHP-2 GCHP-2 GCHP 3B GCHP 4B <br /> Matrix Spike <br /> Recovery 84 86 86 86 98 73 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 84 84 86 85 102 79 <br /> Relative <br /> Difference 0 0 2 4 0 0 1 2 40 a 0 <br /> UOIA 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 /> - validabon of sample batch results Due to matrix effects,the QC limits for MS/MSDs are advisory only <br /> Ronald W Bobel and are not used to accept or reject batch results <br /> Project Manager/Sacramento Laboratory <br /> 8020242 EMC <7 <br />