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i <br /> Sequoia .30 Cicsapcakc Onvc 2euwood C Cy r-� 34063 415) j64-9600 FAX .4151 j6{-92.3 <br /> ;04 N �Mgc• enc 'walnut C ccx A 94598 5101 988 9600 FAX 15101 988 9673 <br /> Analytical 319 Scnkcr Avenue Sul cc 3 Saeramers[o CA 95834 <br /> 916t 921 3600 FAX t916) 921 O 1 GO <br /> . V n y ry F n <br /> n <br /> Celts;nvlranrnental Consuitants Client �� Dice. 3C scan 7-3708, StoCxtoLJq[lld <br /> 33-0 Caia vnve Matnx <br /> Rarc^0 Cordova CA 96670 Reported Aor 17 1995 <br /> iadd Gaiatl W rt<Cr <br /> r X50405 t �� p Yr <br /> Attention c <br /> QUALITY CONTROL DATA REPORT <br /> � <br /> Analyte: 3enzene -aluene ?-hyl ,{ylenes <br /> 3enzene <br /> COC Batch- C-Q89r8TE<17A G-1040g95aTEX17A G 04C8958TEC17A CCO Q8958TE<17A <br /> �aA d020 �4 802A 4 8020 <br /> Analy. Method E 0,x020 =A� o <br /> Prep. Method* ?A 5030 EFA 5030 SPA 5430 <br /> Analyst: M Salam <br /> M Balani M 3alafi M 3alatd <br /> f. CG95g3N71-048 C-9503N71-048 503N71-048 <br /> M5/MSD �. G9,.43 N71-048 �o '4 o <br /> Sample Conc N❑ N 0 <br /> Prepared Date: 1!8/95 4/8/95 -1/8195 <br /> analyzed Date: 1/8195 Ccs$/P17 CCHP 7 G CyP17 <br /> instrument 1.D. GC-Ci1q�g/L 30 ug/L <br /> Canc. Spiked. 10 uglL 1q ug/L <br /> 12 37 <br /> Result: t2 12 120 123 <br /> mS % Recovery, 120 120 <br /> 10 11 a2 <br /> Dup. Result: 10 107 <br /> MSD Recov. 100 1q0 t1q <br /> 1 s 87 14 <br /> RPD' 18 4.34 <br /> RPO Limit: 0-50 054 0-50 <br /> fi y�.�.r^,Cw-`•xrMc„+rov.Y..r•,.`r vvm�^�",bi�`i�'..�r<„ <br /> .�.,:.r��-ti+mr�r'o*ran� >Fs+ne•-w.w r--ro4C-0/°'�4t s°£4°c'."}�"? """F�'.' M1r, e}.,. 4. .+�" ., :X-.}e.^r.,r.'.,'..N.t,�'.xir ti.v..e.. <br /> c.c aa^,^,, ,'. �r�{t+wy�. „ .�'•tiyx..�,w,.r:'�.. .a ,, x• °' '` a ...Mom„t°,..i.,.w...:.,.ci.,..,.<:.,.a,rr.�.w.,r`.v Awr..kwa,'r <br /> �.S}4•ni`X�4 e...wn}avFn wC ssVM xn"svh svixr <br /> LCS �' LC$040895 E_C.704089r3 LCa^040895 <br /> LCS04MS <br /> Prepared Date: 4/8/95 4/8/95 4/8/95 <br /> 4 .49.4 <br /> Analyzed Date: 4/8/95 4/$/95 4/8/95 4/8/95GCHPITS 9 <br /> Instrument LD., = GCHP15 10 ug/L 10 Ug/L <br /> Canc. Spiked: 10 ug/L <br /> 10 ug/L to ug/l. 30 ug/�. <br /> 10 30 <br /> LCS Result: 10 9-9 <br /> LCS % Recov.. 100 99 104 100 <br /> LCS 71-133 <br /> 72-128 72-130 71-120 <br /> Control Limits <br /> ease tousing the same reagens. <br /> 1 he LCS is a convol sample of known.rnterterent-tree maazx thm is analyzed <br /> escflU01 AN LyT1CAL precamon and analytical methods employed for the samples The rnatnx sP1ke's an aliquot m sampl M <br /> for¢fEed with known quantt#ies of specsfir:compounds and subtected to tho ertUre analytical proved <br /> the recovery of analyma fmm the ma=spike does not fall wrthln spectfed control 1lmris due to mea <br /> i lntertwence.the LCS recovery 1s to be used to vaddate the bath. -�- <br /> ZMlke Grego <br /> Prosect Ma ger *"MS= Svtke•i1RSD=MS t3uolx=u )SFO=r'6eiattve%diffe+e+'� <br />