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' SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> i <br /> (916) 921-9600 • FAX (916) 921.0100 <br /> t <br /> '--:. ';•'.•S` 'Y'6-.¢..wx'r'..';ww:`„'wf,"�tix:n�eW.f_'h1.yvae� M.9'.yy.(f—y:Sii: .:'•.t>nhc..Gr:y;}?:.iy.::n.,•;:::a,:...:;::h:.:,,,:..ry:r.::rax..,I.:>:.xx.;;,;::.,�. <br /> ental�+C7ng11�1�U 148: . . u..t�..:r.::a-:..::::: `. :.:.:.f:f.'>^ix r:;?:.NiA>tSrc?S t','•CrS:'`d"+.: 06wcGY6ksvNs cS'n r x.:0-r Sx t <br /> eggs Envlronm Client-proleci#D: r`UCframar-r�eacon <br /> 1050 Melody lane, Ste. 160 Matrix: Water <br /> Roseville, CA 95678 <br /> Attention Sheila Richgeis CC Sample Gro <br /> r4 up 3090335-338Reported: Sep 16, 1993 <br /> - <br /> i ......:.:: .:::..... ..,::::y:.. ......... .:.:.::... .:..r>:.:.:.:.:::::;:.;�t•:rya;:'.�r:>.:c.::;:.:,:o:;.::x^:;:,ic{::isw:::rweir'n'"°»''`fS:o.�i�ixN�9s".�:r�>r:' .,.w.:.:.:.....:r <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyi <br /> Benzene Toluene benzene Xylenes <br /> Method: EPA 602 EPA 602 EPA 602 EPA W2 <br /> Analyst: M.Nipp M.Nipp M.Nipp M.Nipp <br /> Concentration <br /> Spiked: 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Batch#: BLK0913M 13L"1393 BLKWI393 BLK0913m <br /> Date Prepared: N/A N/A N/A N/A <br /> Date Analyzed: 9/13/93 9/13/93 9/13/93 9/13/93 <br /> Instrument I.D.#: GCHP2 GCHP2 GCHP2 GCHP2 <br /> LCS % <br /> Recovery: 110 100 100 100 <br /> t <br /> Control Limits: 80-120 80-120 80-120 80-120 <br /> :..r.....n........:.rv......:+n:......:x.....:.:.+n.......::v.....:n.::¢$!:z{ivi:+n.J.;2iii:::v...nn 4.iS0.:. <br /> ...........::wvx:.v....::..ur:..{it5•:'v-::ti.::iii'-::.:::;::, .s .ir:.r...}:::::::•..:':.:.. <br /> MS/MSD <br /> Batch#: 930917002C 930917002C 930917002C 930917002C <br /> Date Prepared: N/A N/A N/A N/A <br /> Date Analyzed: 9/13/93 9/13/93 9/13/93 9/13/93 <br /> Instrument I.D.#: GCHP2 GCHP2 GCHP2 GCHP2 <br /> Matrix Spike <br /> %Recovery: 100 97 95 93 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 95 90 88 90 <br /> Relative% <br /> Difference: 5.1 7.5 7,7 3.3 <br /> Please Note: <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> EQUOIA ANALYTICAL preparation and analytical methods employed for the samples. The LCS%recovery data is used for <br /> ,7 validation of sample batch results. Due to matrix effects,the CC limits for MS/MSD's are advisory'01only <br /> )HCl and are not used to accept or re'ect batch results. <br /> Unda C. Schneider <br /> Project Manager <br /> 309033.5.AEG -c2> <br />