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+ Sequoia 680 Chesapeake Dnve Redwood Gty,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94593 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> r+o J6 x,n y , ,♦.,.vti Y .,. ,. , ,. ,,.y t v .. n ^t , y rn ry ,,,. r M , r! , ,. <br /> Blame Tech Services, Inc Client Project ID"thev'ron 9-8632/970i 07-Z1 <br /> ,1680 Rogers Avenue Matrix Liquid ;} <br /> San Jose, CA 95112 <br /> Attention Fran Thie Work Order# 9701244-01 Reported Jan 16, 1997 ! <br /> r v ♦V}♦�i,v '{ ., ., r , Vr ! rr,+ rvr , ~ 4 r . n ., rt' VV „ v , v ! Svv , k . ! <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' 2,4-Dlnitro- Pentachloro- Pyrene <br /> toluene phenol <br /> QC Batch#: MS0107978270EXA MS0107978270EXA MS0107978270©CA <br /> Analy Method EPA 8270 EPA 8270 EPA 8270 <br /> Prep. Method EPA 3510 EPA 3510 EPA 3510 <br /> Analyst: E Manuel E Manuel E Manuel <br /> MS/MSD #. BLK010797 BLK010797 BLK010797 <br /> Sample Conc ND ND ND <br /> Prepared Date: 1/7/97 1/7/97 1/7/97 <br /> Analyzed Date: 1/8/97 1/8/97 1/8/97 <br /> Instrument I D #. F4 F4 F4 <br /> Conc Spiked 200 ug/L 200 ug/L 200pg/L <br /> Result: 160 168 222 <br /> MS % Recovery, so 84 111 <br /> iDup Result. 154 158 205 <br /> MSD % Recov 77 79 103 <br /> RPD: 38 61 80 <br /> RPD Limit 0-30 0-30 0-30 <br /> LCS#: WBO10997 WB010997 WBO10997 <br /> Analyst: B Pitamah B Pitamah B Pitamah <br /> Prepared Date 1/9/97 1/9/97 1/9/97 <br /> Analyzed Date- 1/12/97 1/12/97 1/12/97 <br /> Instrument LD # F4 F4 F4 <br /> Conc Spiked: 200 pg/L 200ug/L 200 ug/L <br /> LCS Result- 125 135 122 <br /> LCS % Recov .. 63 68 61 <br /> LCS <br /> Control Limits 24-96 9-103 26-127 <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> JJPen <br /> NALYTICAL 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 M <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> er *'MS=Matrix Spike,MSD=MS Duplicate,RPD-Relative%Differencect Man Page 3 of 3 9701244 BLA <9n <br />