Laserfiche WebLink
C) <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364.9600 FAX(415) 364-9233 <br /> 404 N.Wiget LWal <br /> !a)— ane nut Creek, CA 94598 96 <br /> (510) 988-9600 FAX(510)988- 73 <br /> Analytical 819 Striker Avenue,Suite a Sacramento,CA 95834 (916) 923-9600 FAX(916)92 1.0100 <br /> Terra Vac Corp.' Client Project ID. Chevron #9-4054 <br /> 1651 Alvarado Street Matrix. Solid <br /> San Leandro, CA 94577 <br /> Attention: Cliff Garrett OC Sample Group: 7100064-081 Reported: Oct 20, 1997.".. <br /> 0- <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: SP101097 SP101097 SP101097 SP101097 <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 /> Analyst: K.Nil] K Nill K.Nill K. Nill <br /> MS/MSD #: 7100545 7100545 7100545 7100545 <br /> Sample Conc.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 10/10/97 10/10/97 10/10/97 10/10/97 <br /> Analyzed Date: 10/10/97 10/10/97 10/10/97 10/10/97 <br /> Instrument I.D.#: HP-5 HP-5 HP-5 HP-5 <br /> Conc. Spiked: 0.80 mg/kg 0.80 mg/kg 0.80 mg/kg 2.4 mg/kg <br /> Result: 0,68 <br /> 0.70 0.70 2.2 <br /> IVIS % Recovery: 85 88 88 .92 <br /> Dup. Result: 0.68 0.70 0.71 2.2 <br /> MSD % Recov.: 85 88 89 92 <br /> RPD: 0.0 0.0 1.4 0.0 <br /> RPD Limit: 0-20 0-20 0-20 0-20 <br /> 76. a <br /> LCS#: 5LCS101097 5LCS101097 5LCS101097 5LCS101097 <br /> Prepared Date: 101/10/97 10/10/97 10/10/97 10/10/97 <br /> Analyzed Date: 10/10/97 10/10/97 10/10/97 10/10/97 <br /> Instrument I.D.#: HP-5 HP-5 HP-5 HP-5 <br /> Conc. Spiked: 20jug/L 20 pg/L 20,ug/L 60 pg/L <br /> LCS Result: 18 18 17 55 <br /> LCS % Recov.: 90 90 85 92 <br /> MS/MS137— <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. N <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> Melissa A. Brewer rference,the LCS recov is to be used to validate the batch. <br /> Client Services Representative MS a Matrix Spike, MSD=MS.Duplicat*,RPD=Relative%Difference <br /> 7100064.TVC <5> <br />