NYC-WTC_000212535

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: \ YC BOE Volume (liters): 1928 I.ab Group #: 7655 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 13 Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm’ GRIP BOX: Magnification: 20,000 'SRIDlID: Accelerating Voltage: 100 KeV Grid Openings: 4 Analysis Date: 5/6/02

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type Length 10 of Structure N or ”7 EDS No >=05 M Amphibole (Nonadb , F B C M Chrys Nonasb Ambig/ND \o Coord <5m Elements) j

—

7? 4~-

A 1

.Struct = > 0,5u > 5:1 Aspect Ratio Ghd acceptance: r = Positive diffraction pattern tirc-perties conforming to <S(]% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <1C% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M /= EDS spectrum conforming to laboratory holes or opaque areas idenBricalion criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Filler Amosite !! = Bundie (<3 fibers <1 fiber cia.meter apart Crocidolite Ambiguous !i = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite ft = Maliix Non-Identified Actinolite USD = No Structures Detected

CITY_21MC100_002866996

NYC-WTC_000212535