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j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Dnve - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX (415) 364-9233 <br />' ,;,,,x�.yv?�+ +,t"s�`;^a^r�r„rS;4��'�'�r"�.w,rL+.,.vf?'A�'}�"^v^""+^h"";i+�++-n-r,,."',�`S^M:'::`Ml9'�G+":7G�^'v'y "+'^�;E"�..�.+.wr.....,.,xn-..q, .^n ,eaf}++w.s+a >+yrovrnv"+•'oS�vSx"�I 4YCiS'asA,� <br /> iRESfVA .' �,: + ,,,�,� � �: n �`,�?„w•.ulNz$�`aa.�a�w��u'w'2'�r",��`.��as.,".ff..+L.r�h�,�hhkd�a�r�.�r+,`�,b <br /> Client Project lD 150008 01,Aentlmc Tiu,�c�king Analyst* R Lister <br /> ,. <br /> '{1710 Main Street Method- EPA 5030/8020 <br /> `xEscalon, CA 95320 Units mg/kg Analyzed* May 17, 1993 ' <br /> r <br /> '�Attentlon John Lane OC Sample Group 3E32701 Reported: May d 19 1993.V` .,..,,,{.=s,v� o f,.�,4. d a oc^r+iR^�,'l,`';°b'•.s"'�^?7'�•M .� :crrrs^we�p;`^�'w; r ,xea.e:�r'4' w.� <br /> � <br /> QUALITY CONTROL DATA REPORT <br />' ANALYTE Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> Sample Result: N.D. N.D N D. N D. <br />' Spike Conc. <br /> Added: 050 0.50 050 1.5 <br />' Spike Result: 039 0.42 044 1.3 <br /> Spike <br /> %Recovery: 78 84 88 87 <br />' Spike Dup. + <br /> Result: 0.39 042 044 1.3 <br />' Spike Dup. <br /> %Recovery: 78 84 88 87 <br />' Upper Control <br /> Limit%: 102 102 108 112 <br /> Lower Control <br /> Limit%: 70 70 74 71 <br /> Relative <br /> % Difference: 0.0 0 0 00 0.0 <br /> Maximum <br /> RPD: 11 13 12 13 <br /> O ANALYTIC %Recovery Cone of M S -Cone of Sample x 100 <br /> Spike Cone Added <br />' Relative%OFfference Cone of M S -Cone of M S D x 100 <br /> ie T (Cone ofMS + Cone ofMSD)/2 <br /> Proje 3E32701 WA7 c4> <br />