NYC-WTC_000229171

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Votume (liters?. 1840 Lab Group #: 7953 Filter Type / Filter Area; MCE 385 mm’ Lab Sample #: 6 Grid Openiag Size: 0,01124 Client Sample #: 08 Area Examined; 0.04496 nun’ GRID BOX: V Magnification: 20,000 GRIP DP: Accelerating Voltage: 100 KeV # Grid Openings; 4 Analysis Date; 6/4/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Sbucture Structure Type Length ID of Structure N or V EDS No >=05 u Monasb (Nonadb F B C M >s5p Chrys AmphbofB AmtHg/NC ' No. Coord Etements)

z, ?

Struct • > 0.5g > 5:1 Aspect Ratto Grid acceptance; 4 = PosiSva diffraction pattern properties conforming to <50% undissolved Ster, overlapped or folded Totals attoratory idsnttScaSon crterfa observed <10% particulate coveiage >50% coverage ate least 20 unfotoed or overlapped grid squares <5% F B C M >5u '/= EDS spectum conforming to laboratory holes or opaque areas tdenefkafon crtteria observed Chrysotile AMPHIBOLES Amphibole F« Single Fiber Amosite B = Bundle (<3 fibers <1 fiber fiiaiheter apart Crodoolite Ambiguous C = Ckjst8r(>3 InfersecfiOTS) Anthophyllite Non-Asbestos Tremolite Matrix Actinolite Non-Iden tilled NSD = No Structures Detected

CITY_21MC100_002902357

NYC-WTC_000229171