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

NYC 9/11 Public Portal Document

ArrC ASSOCIATES INC. - TEM ANALYSIS r LAS CROUP #; 5577 - 09/28/01 Filter Type ME Z5 era operator f2 " I Semple S . 59712 Filtor Area 385 ~R1un''2 Oliont. Spl. No. 3-03 - ne Grid T.D. Ci ~ +2P±r `~7 Disk No_ Instrument I.D. EM 10 Cay (GO) Area 0.01124 mm"Z Comments screen Magnification 1fi.4A0X ( 41',i. Struct. Carand. to 70 :;/rmm"2.) Aee. Voltage 80 Y.V r(o. GO to be Analyzed 6

ADS str,lecare . Length I.D. of Structure N or 1/ GO. 9trueture (Nonasb. No Coord. No. g B C bt a5 urn Bum Chrys. Amphibole Nonasb. Amblg./ND EIemen) qq

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Identify all atruetures uiing 8DS Check diffraction for eibe,tas Store all unrepeated Spectra -- Photo No. (from I in 5 eibestvs - eontainlltg eamplea) Grid a°ooptauccI etra turn u ea 70i/* (iii 4) r. pear nppe or o e Struot. w ? O.Sum a > 5.1 Aspect Ratio <SOx an salt' <( parurulate• coverage >5= aovera=e Iamt 20 unfolded or overlapped gtid equerea IQLI S N= Not Observed (EDS ametram er 4 Uracuon pattan) at <5 1tolea.. puasua or F B C. M > Sum 1~ bpositive diffraction pattern properties aunfarating laboratory 14aatlnaatlna ariteria obser.ed. naaad peetlan Far eNryastue o.'7'Aam Mmai rw (tl2m) redactions. of Eater Chrysotile 0.'i am vVealbs far tbo layer~ise repent. atraaidat Wed 9el'tlea • of (tta) and (1301 mflactiaov or ratan for ampblba ea O.53taat layer Line repeat. and (Pisa Wide) Amphibole 'St. nuo or non-twinned 1t. Ilea spat apaclag to layer line repeat distance (0.i5nm1. A 1 p o"ea O18tQ Htbaf,Es Ambiguous F= 5intle Fiber (t-O intetseatione = 1-3 fibers)apptaa.Ei)Amosite 59=1=, fnar 13W Moodie (>0 fibers <1 fiber diaanoter apart) Croeidolite Non—aSbeUto Cv r4uster (» lntarsectioaa) stopping iltlac Anthophylllte tY= Matrix >Oa a/G.O. of l0 (at 4 C.tL Actinolite NSA= Na St roeturn Detested Non —identified AI:tSnol4e i r la rinMr►.fua 1ØJ*

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