NYC-WTC_000201918

NYC 9/11 Public Portal Document

TEMTAsbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1860 Lab Group #: 6707 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: / Grid Opening Size: 0.01124

Client Sample #: 07 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRIP ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type Length P of structure N or 7 EDS (Nonadb No F B C M ■=05 0 Chrys Amphibole Nonasb Arr,big/ND No Coord <5p Eiemenis)

In-

Struct = > 0.5p >5:1 Aspect Ratio Grid acoeptanca: 7= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5p 7- EDS spectrum conformingdo laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous. C = Cluster (>3 Intersections) 1. Anthophyllite Non-Asbestos Tremolite M = Matrix- Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_003269622

NYC-WTC_000201918