NYC-WTC_000213723

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1888 Lab Group #: 7901 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: 04 Area Examined: 0.04496 mm^

GRID BOX: IlTI Magnificatioa: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/29/02

Analysis Performed By: ROMAN EEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or v EDS No (Nonadb F B C M >=05 M >=51J Chrys Amphiboie Nonasb Ambig/ND No Coord <5p Elements)

,9* T C/

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: •J- Positive diffraction pattern properties conforming Io <50% undisSolved filter, overiapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p 'i = EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 8 = Bundle {<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite MSD = No Structures Detected

CITY_21MC100_002869490

NYC-WTC_000213723