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,T �__..tee -.�r-anw....a.6'T�___ `t_i�v.-.a-- -.�F•�'lr��a-4__ _ <br /> • Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> ny v ✓ {v ^{4 r i yr Jv v 'j6✓✓v wh oxv 1 � rww. r ,. � ✓kJ r { r �. {w ✓✓ v Air Avw <br /> Blaine'Tech`Servlces, Inc 'Client Fro�ect fD &hev 6r 9-8264/970827-T1 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 } <br /> `Attention Fran Thie Work Order# 9708E76-01 Reported Sep 9, 1997}` <br /> } J v v v N , r w ' ~ • S v.r. , t ♦+ n r r w . ♦vti '.`u . r v . 4 }}t v } <br /> vvr v rys v v ✓44 1 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 1,2,4-Trichloro- 4-Chloro-3- Acenaphthene 4-Nitrophenol <br /> benzene Methylphenol <br /> QC Batch#. M80829978270EXA MS0829978270EXA MS0829978270EXA MS0829978270EXA <br /> Analy Method EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep Method EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst B Pitamah B Pitamah 8 Pitamah B Pitamah <br /> MS/MSD# 0829BS/BSD 0829BS/BSD 08298S/BSD 08298S/BSD <br /> Sample Conc - N D N D N D N D <br /> Prepared Date 8/29/97 8/29/97 8/29/97 8/29/97 <br /> Analyzed Date 9/2/97 9/2/97 9/2/97 9/2/97 <br /> Instrument 1 D # F4 F4 F4 F4 <br /> Conc Spiked 200pg/L 200ug/L 200pg/L 200 ug/L <br /> Result 148 135 142 33 <br /> MS % Recovery 74 68 71 17 <br /> Dup Result 158 152 143 38 <br /> MSD % Recov 79 76 72 19 <br /> RPD 65 12 070 14 <br /> RPD Limit 0-30 0-30 0-30 0-30 <br /> SD <br /> Control Limits 39-98 23-97 46-118 10 to So <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> O ANALYTICAL 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 /> interference,the LCS recovery is to be used to validate the batch <br /> P g y enner '*MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference <br /> Pr ct Manager Page 2 of 3 9708E76 BLA <9> <br />