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i <br /> SEQUOIA ANALYTICAL <br /> l 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> •n....:::ln•A•�.r..n.:':n•nvw:::::v.::.:.r'::nn..v::nv.:v..: ...:luu:.•rrs x::n.::-:u:.:vr:x::::{:::.':.]:?;.•:.'rf::.:..w v::r:::::,:v"t <br /> - .:..........XltFr'x.v::.::.::.}i;�.;,.r::'.v:�::nn:.........:.:nv:.v::.ti�.::.:...•...v:. .:.m\tt n:... <br /> ::.nv.41r <br /> r :y N....:............ ....................... ...... U l.......... .........::... .......t::...t...Jr::._v...:-.:.:...::::i•:..kty.:....:..v::w:r::... ..r..}v.::it <br /> u-!: :?;;•::•:' :.:::$:>:::::'.:::J'{•:}i:}.:..:ti..',-:�::v:J}'•i}:v::; 5.:.::-:..::i:'��{.::{is•:.�;::.;;i$.$::}:$:J}i:.:::.::•'F..i:::-i::::{.v;;{J'-:,�.::. - {... <br /> YBrunsing Associates, Inc. Client Project ID: 260.4 Doane Products <br /> 1735 E. Bayshore, Suite 2A <br /> Redwood City, CA 94063 ' <br /> ;.' ........... <br /> .......... ...................�:.�::.�:.::n..,.:.:�:.r::.n...:..r...:.._....:_..:.:nroarctrrx^:w,.::vx.:wue.�.r•:;r:;..::v:->.ja;.^::i2 ?:2":r`.«�::.:.:.:.:.J.:,:::.::n::::.:.v:{..::.Oct 5,' 19::}=:9�.;>�2 <br /> OC Sample Group: 2094174 76 Reported: <br /> ::.:Aention: Joel Brncvoort <br /> ' <br /> �i:?':.:' - - v....:.z...tv{:�nYl..-...r::..:v....vn...........r...t......nv..: 1 <br /> ...:._:.� :}:;::.:.v:' .... s..v::.v:;:.:::.. w.v;•......::•.:v::::.ti.v;v::.:...:•iii_i+;}.,v..v......:::......:::::::::.v::'::::::::.ti{.:.v.`:i-: <br /> {�r.?n?:�}.:{ifi.{i!:':n�'rv::4Y..}i$i:ii i{:v{�$::v.w.......x..:•,{:.:rxJ}:�}:{:.viiiii:{^:.......r}.:.{....:....l...l........v.:.......nl...l......v.................. <br /> QUALITY CONTROL DATA REPORT r <br /> F <br /> ANALYTE Ethyl- ; <br /> Benzene Toluene Benzene Xylenes <br /> Method: EPA Sato EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: C.Donohue C.Donohue C.Donohue C.Donohue <br /> Reporting Units: ug/L Ns/L ug/L pg/L <br /> Date Analyzed: Oct 1, 1992 Oct 1, 1992 Oct 1, 1992 Oct 1, 1992 <br /> QC Sample#: GBLK100192 GBLK100192 GBLK100192 GBLK100192 <br /> Sample Cone.: N.D. N.D. N.D. N.D. <br /> pike Cone. i <br /> Added: 10 10 10 30 <br /> Cone. Matrix <br /> Spike: 9.3 9.0 9.0 27 <br /> Matrix Spike <br /> %Recovery: 93 90 90 90. <br /> Cone. Matrix <br /> Spike Dup.: 9.3 8.9 9.0 27 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 93 89 90 90 <br /> Relative <br /> %Difference: 0.0 1.1 0.0 0.0 <br /> LOOIA ANALYTICAL %Recovery: Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Conc.Added <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> Nokowhat D. Herrera (Conc.of M.S. + Conc.of M.S.D.)/2 <br /> Project Manager 2094166.BBB <» <br />