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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 PAX(415)364-9233 <br /> Analytical 1900 Bates Avenue,Suite L Concord,CA 9452a (5l0) 686-9600 FAX(510)686.9689 <br /> q1W819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> 0 <br /> f <br /> �. • :.i.:.�}tial �:i'.iPacllc EnvironmentalGrovup .v" Client <br /> P:.:rov Project <br /> c-#i}:ID. .•r�.}'r •:::..: <br /> 738, <br /> 12025 Gateway Place, Suite 440 Matrix: Solid <br /> ,San Jose, CA 95110 €�:�: <br /> ft <br /> .r <br /> Attention• Maree Dollen a - 4 t5 1 <br /> e rou : 9409054 02 11, 1 R plied: Se 1 199 <br /> QUALITY CONTROL DATA REPORT <br /> XNALYTE plesel <br /> Method: EPA 8015 Mod. <br /> Analyst: M.Cassidy <br /> MS/MSD <br /> Batch#: 940905401 <br /> Date Prepared: 9/7/94 <br /> Date Analyzed: 9/11/94 <br /> Instrument LD.#: GCHP-4 <br /> Cone.Spiked: 15 mg/kg <br /> Matrix Spike <br /> %Recovery: 83 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 79 <br /> Relative% <br /> Difference: 4.9 <br /> N. �•:}icYv ^{ '.7;.C..A:i`i:':^•r v 4::.•r}...;,....v.. <br /> .7...aT:.t+- i'^i..yy:o•<r- <br /> r:� .^NY:':,:.�:C!:.:C: } ?..{Y.J}.'�::aG. M. •.{:'.vim �.I.{ti~ ice:.: •ri::l: J.-lv <br /> .•Yn x:::n <br /> i .O'♦ ":•::"r:.v:::.:...:....: :..i.},-T::..,:.?.}. ...:r .. .✓. :iv `-:i{i: FFI.`4Y {.}:vw:vw�:' <br /> ..n:5ca' rr. ..r...r. ::.:--...::::...:,Y.}:v}::-v'i}r.:. •v-: .......r v:vAv.. :.i.S: .A.+...4r^ ::}r:i �....,.. �:�'n .' <br /> •nrt0$i:,:,:w.$:.wc•}»6»:}--.;h,..3�.:.C.:Yrn-:hl.J::alb.{..vF.::{YVEt[ ALJ]OJJ.'f.QL :C:nWv]:J� vifG%�`M:$.:S::�Gr:yiw:n n»»d..:. '}� .::•�`:.�.�:4�3$:vtl.?:.- ?]si�i Y.{-i}'+ri-?�''r <br /> LCS Batch#: <br /> Date Prepared: <br /> Date Analyzed: <br /> Instrument I.D.#: <br /> LCS % <br /> Recovery: <br /> %Recovery <br /> Control Limits: 38-122 <br /> Please Note: <br /> The LCS Is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> ti <br /> OIA 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. ti <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> intefference,the LCS recovery is to be used to validate the batch. <br /> A. Manning <br /> Project Manager 9409054 PPP <s> <br />