NYC-WTC_000202627

NYC 9/11 Public Portal Document

ATC ASSOCIATES. INC. TEM ANALYSIS LAE^^UP^^565O-V2/O9m La.b Sample No 6 07 pc Filter Type '4CS 2 5 nm Operacor ClienC Spl. No. MBHS-3>6-10/9-1.3 Filcsr Arsa 385 m"2 Instrument I.D. GY LO CRY Grid I.D. Disk No Screen Magnificacion 16,400X (GO! Area 0.31124 ntm^S Comments Acc. Volcage 3 0 kv No. GO co be .Analysed _4 3.14.' scfiet. corscd. bo 70 3/iTjn~2.:'

GO. structure Strucluni Type Length I.D. of Structure N or EDS >0.5 um (Nonasb. |No- Coord. No. F B C M Sum Chrys. Amphibole Nonasb. Ambig./ND Elements) < 5 um

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Store all unrepeated spectra—^ Photo No. (from 1 in 3 aabeatoa- Identify all aUucturea using SDS Check diffraction for aebeatoo eontaining lamplea) ICrtd acceptance; I (Ut 4} <50X undiasolvednitsr. overlapped or folded Struct s > O.Sum A > 5:1 Aapect Ratio <tOX particulate coverage >50X coverage Ns Not Observed (EOS apectrum or difTracUon pattern) at least 20 unfolded or overlapped grid squares Totals PaaiUve diffraction pattam properties coafonning F B C M Sum to laboratory IdaaUflBaUon ertteria observed. •Unused porUon Por chryooLlto: 0.73nm ■pocina for (OEC) ronoeUonB. O.aanm apsolna for the layer line repeat, streaking or (110) end (130) renecuona. PorUon af nibtr of niter -Avoided portion of filter Chrysotile Illi 1 Per amphiboles: Q.SSnm layer Ilas repeat, and approx. (2mm wide) 3.a raUa of non-tvinnad layer Une spot apaeing to aubtMt Lo •samiRBUon Amphibole layer line repeat diatance (OSanm). /= KOS spectrum conforming Lo laboratory Ambiguous Identification criteria observed. AMPHIBOLES F= Single Fiber (1-3 intersecdona s 1-3 fibers) Amoaite a= Bundle (>3 fibers <1 fiber diameter apart) C= Cluster (?□ intersecUons) ZSiRRi niter TZT—“ luln; I----------1 Crocidolite Non-asbestos Ma Matrix Anthophyllite NSD= No Structure! Detected L\ 0ATA\ PRtVATTK MIKEC\ CAflOVSUa 9/E2/M [ >90 i/C.O. .r in lit 4 C.O. Tremolite Actinolite Non-Identified

CITY_21MC100_003274236

NYC-WTC_000202642