Laserfiche WebLink
S680 Chesapeake Drive Redwood City,CA (415) 364.9600 FAX(415) 364-9233 <br /> equoia 0 404 N.Wiget Lane Walnut Creek,CA 944 (510) 988-9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0 100 <br /> Cambria Envir.on C 6--flit): '81e"l1 4204-4728-0 2 <br /> 114465th Street Ste C Matrix: Solid <br /> Oakland, CA 94608 <br /> Reported: Aug 26, 1996*.','."� <br /> QC Sample Group: 6081179-182 <br /> Attention: Paul Waite <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: SPOS1996 SP081996 SP081996 SP081996 <br /> 8020EXA 8020EXA 8020EXA 8020EXA <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Tnalyst: S.Chullakorn S.Chullakorn S.Chullakorn S.Chullakorn <br /> MS/MSD #: 6081147 6081147 6081147 6081147 <br /> Sample Conc.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 8/19/96 8/19/96 8/19/96 8/19/96 <br /> Analyzed Date'. 8/19/96 8/19/96 8/19/96 8/19/96 <br /> Instrument I.D.#: HP-5 HP-5 HIP-5 HP-5 <br /> Conc. Spiked; 0.40 mg/kg 0.40 mg/kg 0.40 mg/kg 1.2 mg/kg <br /> Result: 033 0.32 0.32 0.96 <br /> MS % Recovery: 83 so 80 80 <br /> Dup. Result: 0.36 0.35 0.36 1.1 <br /> MSD % Recov.: 90 88 90 92 <br /> RPD: 8.7 9.0 12 14 <br /> RPD Limit: 0-20 0-20 0-20 0-20 <br /> LCS#: 5LCS081996 5LCS081996 5LCS081996 5LCS081996 <br /> Prepared Date: 8/19/96 8/19/96 8/19/96 8/19/96 <br /> Analyzed Date: 8/19/96 8/19/96 8/19/96 8/19/96 <br /> Instrument I.D.#: HP-5 HP-5 HP-5 HP-5 <br /> Conc. Spiked: 20pg/L 20pg/L 20 pg/L 60 pg/L <br /> LCS Result: 19 18 18 55 <br /> LCS % Recov.: 95 90 90 92 <br /> MS/MSD <br /> LCS 50-150 50-150 50-150 50-150 <br /> Control Limits <br /> Please Note: <br /> The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL, #1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> the <br /> the LCS recovery is to be used to validate the batch. <br /> r <br /> '--Duplicate,RPD=Relative%DifferenGe <br /> Melissa A. Brewer MS=Matrix Spike,MSD=MS <br /> Client Services Representative 6081179.CAM <6> <br />