NYC-WTC_000196685

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1896 Lab Croup #: 8759 Filter Type / Filter Area: MCE 385 mnE Lab Sample #: 18 Grid Opening Size: 001 124 Client Sample #: 18 Area Examined: 0 04496

GRID BOX: Magnification: 20,000 GRID ID: SQL #’Grid Openings: 4 Accelerating Voltage: 100 KeV Analysis Date: 8/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ■ID of Structure N or V EDS No (Nonadb F B C M >=05 g :>=5)3 Chrys Amphibole Nonasb Ambig/ND No Coord <5u Elements)

7(Q^-

Struct = > 0 5g .> 5 1 Aspect Ratio Grid acceptance. ^/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification cnteria observed Chrysotile AMPHIBOLES Amphibole F.= Single Fiber Amosite B - Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Antinophyllite Non-Asbestos Tremolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

CITY_21MC100_003042295

NYC-WTC_000196685