NYC-WTC_000218306

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: N^'C BOE Volume (liters): 192(1 Lab Group #: 6940 Filter Type / Filter Area: MCE 3S5 mm- Lab Sample #: T Grid Opening Size: ii.Oi 124

Client Sample #: 02 Area Examined: 0.04496 mm-

GRID BOX: Ma»nitleation: 20,000 GRID ID: Accelerating Voltage: too KeV SGrid Openings: 4 Analysis Date: 3-5'02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V i EDS No F B C M >rr05p : ■=5p Chrys Amphibole Nonasb SCblc/NO' 1 No Coord <Sp 1 Eiemenis;

A

Struct > U.jp > 5 I .Aspect Ratio Grid acceptance:

S- Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F ! B i C ! M ) >: Nir EDS spectrum conforming to laboratory holes or opaque areas identification cntena observed Chrysotile .AMPHIBOLES Amphibole i F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous [ C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos | Tremolite M = Matrix Actinolite Non-ldentified I NSD = No Structures Detected

CITY_21MC100_000466269 NYC-WTC_0002 18306