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I, *� 1 SEQUOIA' ANAL -TICAL I , <br /> 819 Striker Avenue, Suite 8 + Sacramento; CA 95834 <br /> n <br /> {° (916) 921-9600 * 'FAX (916j 921-01 Q0' <br /> 'cow.�Pro->q.•�..x^:r,,x-r'.hT.k.� prJ>�r:;.yrmy2.;;htiy..:. >?q?;;r; v:.:r-v-?rrntan': nom..:4+o-s:;.:.::4.:hrxr !.-. -jy."v":::,?>r:..,,-.,,.:. - �.. <br /> r ..: . �ncoi:.,::. �. �4.....4 .:].:.�:r5-.h:..:.:::..::err:;`.rv5:':':::<=.u;..:h,::-t;::{,;:ni,.:}r:s:r-->+::i::::v::::.:.wh.:.,:.,....:r::+•. <br /> " F FEES ustries Client Prol Imo . :- ,::. .•f:.:;.f :t.:,.: h :: <br /> 1 - <br /> t co kion <br /> 31164 Gdd Camp Dr., Suite 200 Matrix: Soil <br /> ect D 548-93 2A;.$ <br /> tfx i• �� <br /> I ,' Rancho Cordova,CA`95670. . <br /> Attention Jay Johnson QC Sample Group: 3110201-206 Reported Nov 16, 1993 <br /> �.. x fi> <br /> :rv.: �`.f,.efl..w:].r::.,$;„,,;�•? ....:a.,M 7- t 7i;•rtr�:wS:•::fi r-: :,i va>.•. <br /> ., .w:::..,.:..:.....o::.,::vS.:::::..........:,:..:..:r:::.....:::..:,,:...,:-..::•o-:::;::..•.E::::.�:::.:.:rss;::;::::::.:?a::•:ri£h:�RSr:h...:.w...,.:.�:.::..r <br /> QUALITY CONTROL DATA REPORT , <br /> ' '' ANALYTE Benzene Toluene Ethyl- Xylenes <br /> Benzene <br /> Method: EPA 8020 EPA 6020 EPA 8020 EPA 8020 <br /> Analyst: C.Chapman C.Chapman C.Chapman C.Chapman <br /> I. <br /> MS/MSD <br /> Batch#: '3110190 3110190 3110190 . 3110190 <br /> Date Prepared: 11/12/93 11/12/93 11/12/93 11/12/93 <br /> Date Analyzed: 11/12/93 11/12/93 11/12/93 11/12/93 <br /> Instrument I.D.#: HP-1 HP-1 HP-1 HP-1 <br /> Cone.Spiked: 0.20 mg/kg 0.20 mg/kg 0.20 mg/kg 0.60 mg/kg <br /> Matrix Spike <br /> %Recovery: 105 95 105 95 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 110 100 110 100 <br /> Relative% <br /> DI Terence: 4.6 5.1 4.6 5.1 <br /> :... <br /> .............................................. <br /> „ �. LCS Batch#: <br />• , I I <br /> Date Prepared: _ <br /> Date Analyzed: - <br /> Instrument'I.D.#: <br /> LCS % <br /> Recovery: <br /> i <br /> ecov” <br /> Control Lirn ts: 80-120 80-120 80-120 60.120 <br /> Please Note: <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICALre aration,and an <br /> P P alytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> fortified with known quantities of spec'if'ic compounds and subjected to the entire analytical procedure. if <br /> ��L the recovery of analytes from the matrix spike does not fall within specified Control limits due to matrix <br /> 7 interference,the LCS recoveryis to be used to validate the batch. <br /> ij C. Schneider <br />•. Project Manager <br /> I , <br /> 3110201-RES <2> <br />