9-15 [name] building cleaning and assessment, Feb 2002

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~T* C ASSOCIATES INC. - TEM ANALYSIS LAB GROUP ., 5577 - 09128/01 opcsator 59711 Filter Type MCE 25 om t,.zb .ample NO. Filter Area 385mm2 / Client Spl. Na. 3-02 Disk No . Iost' , rrGnt ID•. }:M to (001 Area 0.01.124 un 2 cow 5crean MagtiEicatian ]b.40QX ( A 721 5 -1—t Cor- d to 70 «([nm Z.) No. GO to be Analy.ea 6 Acc. Voltage BO kv an Length I.D. o£ Structure Mar G0, St,xueture structure Type (Plonasb. No Coord. No. F C M gum sum Chrys. Amphibole Nonasb. Ambig./ND Elements t fr aj - --- __________

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[demtify nil rueLures Hein BDS Check diffrivatioa for aabeataa Store oil wgrepeated apeotra- Photo No. from 1 in 5 uebcatoe- cantainln✓i samples) j noeptanorzL tiir up to 74e r~tm (lnL 4) Ksa7C Y ve a e:. erer pre er a e strRct, = a n.num & > det Aspect Raba <1flT. partiautate coreraRe Sox eevera~e otals N. Not Obsarred (i S spsuRrum or dlrfracUen pattern] at beat i O uffe1ded or overlapped gri aquaren e5% holes or o a a areno L B C M 3 5*lrn /4 PaaLive glitraction pattern Praperiiea eootormins to InbUrntaL7 Idea tcatlan eilmda abaermd. Hosea Peru= y,, abrrwt3la o~{m„ is r (am) reaaeetaw, eT fAILM . Chrysotile a.asem apsclaa tar me repeat. tt.aaklali veined psrnon or (tan) ape, (tan) tdneetlen., t nit„r Par amphlsalse aaanm layer ilea rapaat, and appN%. AcDOW er aueC (tmm vide) a.o 3atSo of noa-tylnao4 u~ar nee spat ■Padua m , Amphibole larar Itaa repeat dlvianev (a. fOawM)- ✓~. Bus 4"C%r= eooferMleg is laboratory AMPHIBOLES Ambiguous 1aoa scion eritarlq observed. P= Single Fiber (i-a tntereeotUoos - 1-3 fibers) Amoatte B= Bundle (3 fiber. K1 fiber diamatar 4pert) emu rdtar Cracidolite Non -asbestos cs cmtor (aa llneraaeUotta) aeeppmg a sec. Anthophyllfte 1t= silatrhe ~;-w a/5.0 or In 1st 4 G.a Trernolite NS6= Ne ,gtrueturea neeaatea Non--Identified Aetinollte aow.Wfrr1!\fiSMT21f9 ee*Ied

NYC-WTC 000097479