NYC-WTC_000201062

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1805 Lab Group #: 7832 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 14 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496

GRID BOX: AC/ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/22/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length IC of Structure N or 'I EDS No (Nonadb F B C ! M >=05 p >=5^ Chrys Arr.phibole Nonasb Ambig/ND No Coord Elements) <5p - //'

Jy

.1 ■

Struct^ > 0.5p > 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <50%:undissoweci filtsr, overlapped or folded Totals laboratory identification criteria observed <10% particLiEte coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M I >bM 7= EDS spectrum conforming to sboraiQy holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosits B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Iniersecticns) Anthophyllite Non-Aabestos T'emoiile M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011275370

NYC-WTC_000201075