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' Sequoia 680 Chesapeake Dnve Redwood City Ca 94063 (415) 364-9600 FAX (415) 364-9233 <br /> 1900 Bates Avenue Suite L Concord,CA 94520 (510) 686-9600 FAX(510)686-9689 <br /> �l Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921-%00 FAX (916)921-0100 <br /> v f.v t a n <br /> ,wx•� arm � v.M+Mt <br /> :i F { ....v} �rJr$vamwn awia/m v}.wvr+=FfiFxr'l.4 Ssv <br /> fmit,telhauser Corporation ffClient Project 1D' h 2168 01-001, Unocal/Tracyr <br /> 7901 Stoneridge Dave, Susie 123 Matnx Solid <br /> { <br /> 'y Pleasanton, CA 94588 nn v <br /> Attention R Marks/R Papler_ Work Order#_ 9502243-01-2 Reported Fels 9, 1995 <br /> a rA riv r + .+++^`ai'v i.[a5v ' v�w"..J. r.r. v a "{}vYh xr.a. , .,i h+/ .r.x x .. xar r n iL4.r ar LE.i'�v r{rf„a{iv N++k.•ny� '�C.n v <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: 2,40initro- Pentachloro- Pyrene <br /> ' toluene phenol <br /> OC Batch#: MS0131958270EXA MSo131958270EXA MS0131958270EXA <br /> Analy Method: EPA 8270 EPA 8270 EPA 8270 <br /> Prep Method: EPA 3550 EPA 3550 EPA 3550 <br /> ' Analyst: E Manuel E Manuel E Manuel <br /> MS/MSD #: 9501F1701 9501F1701 9501F1701 <br /> ' Sample Conc.: N D N D N D <br /> Prepared Date: 1/31/95 1/31/95 1/31/95 <br /> Analyzed Date: 2/1/95 2/1/95 211/95 <br /> Instrument I.D.#: F4 F4 F4 <br /> ' Conc. Spiked: 3300 pg/ice 3300 ug/Kg 3300 u9/Kg <br /> Result: 2100 2000 2100 <br /> MS % Recovery: 64 61 64 <br /> Dup Result: 2000 2400 2600 <br /> MSD % Recov.: 61 73 79 <br /> ' RPD: 49 18 21 <br /> RPD Limit: 0.50 0-50 0-50 <br /> n Y`'v i.ix rrK�.r rr~+ii-ow.la rr,c� `��I'•;7w` aa•'} <br /> LCS #: - - <br /> ' Prepared Date: - - <br /> Analyzed Date: - - <br /> Instrument I.D.#: - - - <br /> ' Conc Spiked: - - - <br /> LCS Result: - - <br /> ' LCS % Recov.: - - - <br /> M <br /> LCS 39-139 14-176 52-115 <br /> Control Limits <br /> ' Please Note <br /> The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> SEGUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> q((At fortified with known quantities of specific compounds and subjected to the entire analytical procedure/�n n the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> y Interference,the LCS recovery is to be used to validate the batch <br /> Vickie Tague Clark '*MS-Matrix Spike,MSD-MS Duplicate,RPD-Relative%Difference <br /> ' Project Manager Page 3 of 3 $502243 MMM <10} <br />