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916q-210100 '?EGIIJO I H SIHHL�T I CHL S 756 PC-4 TI-11- 29 ' 9-4 11 52 <br /> r Sequoia 480 Chesapeake Drive Redwood Cit CA <br /> Y 94063 (415) 9600 FAX(41 )364 9233 <br /> Analytical !9()0 Bates Avenue, �wtte L Concord, CA 9450 (510? 686 fi56 9600 FAX (51 0) <br /> p)654-90$996$9 <br /> 819 Striker Avenue, Stslie 8 Sat remento CA 458x9 (91K) q21 9600 FAX 19161 q21 0100 <br /> keoStre �`�`iO.7.4k ^n nnx.Y}�1}t.F aAr stn �fYt yt +�wv �.tl +r rFf.� bk j,�nj<xS l�nAlb it bx"f. . y4,si'r+f',^A n�' }i!♦ \i w r.t x}Fxnw <br /> r g Inc GEian��i ro act 'l nocal 1'6 16 �R �' �. xFiRrK '''R ^; b^^e rabbfaf iRftfiet9iv <br /> 3035 Prospect Park Drive, Suite 80 Matrix Soil t <br /> f <br /> Sacramento, CA 95670 <br /> Attention Steve Carter QC Sample Group 4070360A�382A Reported Jul 29, 1994 <br /> R 4At wA Aww`v";rAAr2kn.1 S- v�x> q <br /> M ..o ri.c �i.,.r cihrSiire,":t<Sn,tr .';R:�vr Fo:.:i'tiis"±ese,ira.s <br /> ,R„?,$ a e 16kt eiJRT`q%} ar iA<F°i"�"ia Aye A>ie i>5 M>r�}ei; Yr tics'^tit R,,,n <br /> QUALITY CONTROL DATA REPORT <br /> Ethy- <br /> Benzene Toluene Benzene Xylenes Lead <br /> Method, EPA 8020 EPA 8020 EPA 8020 EPA 6020 EPA 6010 <br /> Analyst. C Chapman C Chapman C Chapman C Chapman D Ballard <br /> Concentration <br /> Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg 5o mg/kg <br /> LCS Batch#e LCS072294 LCS072294 LC8072294 LC$072294 LCS072094 <br /> Date Prepared 7/22/94 7/22/94 7/22/94 7/22/94 7/20/94 <br /> Date Analyzed, 7/22/94 7/22/94 7/22/94 7/22/94 7/21/94 <br /> Instrument 104- HP-1 HP i HP 1 HP-1 PE-40 <br /> LCS <br /> Recovery' 100 100 100 100 93 <br /> ControlLimits- 75-125 75-125 75125 75125 $0-120 <br /> kS;4x144*}a6n� <br /> ,R�Ap„sf�tA.rxR61r,�-,49 qKt.s 4,--Rol iAA^nk.�1f`kt��24+`�i+fir l4 rynk krRxi�sRr�exR fbirr*C �.f SA.0 -At 4R,i4Rr A.k141�rZqk: i14411P1.1i.A8W W11.rb.fix'nx.s.sn'xg.Knnsuq sq.isFnfsx+<�xs@�esrssnfe<wfekx s�x,r4e rx9�e x�w!:'}�tx•�itieye.eaeix x MrLenrx<ax r,sxo-exRr <br /> > <br /> MS/MSp <br /> Batch #, 4070559 4070559 4070559 4070559 4070563 <br /> Date Prepared. 7/22/94 7/22/94 7/22/94 7/22/94 7/20/94 <br /> Date Analyzed 7/22/94 7/22/94 7/22/94 7/22/94 7/21/94 <br /> Instrument 1 D.#: HP-1 HP-1 HP-i HP-1 PE 40 <br /> Matrix Spike <br /> % Recovery- 110 110 110 107 85 <br /> Matrix Spike <br /> Duplicate 0/ <br /> Recovery- 95 90 90 93 68 <br /> Relative % <br /> Difference- 15 20 20 14 22 <br /> OQUOIA ANALYTICAL Ploase Note <br /> [6 The LCS la a control sample of known,interferent free matrix that Is analyzed using the soma rsagants, <br /> preparation and anaiytioal methods employed for the samples The LGS%recovery data 19 used for <br /> n q , validation of eample batch results Due to matrix effects the QC Ilmiis for MS/MSD's are advisory only <br /> Craig C Lee lS p and are not used to aooept or retest batch results <br /> Project Manager Cam <br /> 4070360A GSI <4:- <br />