NYC-WTC_000200931

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7747 Filter Type / Filter Area: MCE 3 85 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124

Client Sample #: •02 - Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20 000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/15/02

Analysis Performed By: <J ROMAN PEYSAKHOV

•GO. Structure Structure Type Length ID of Structure Norv” EDS No (Nonadb F B. C M >=05 p >=5i.i' Chrys Amphibole Nonasb Ambig/ND i No ■ Coord <5p Elements)

27^ 7 —Q— (I

.!

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: = Positive diffraction pattern properties conforming to ‘^^0% 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 M >5p ■ EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile I 'AMPHIBOLES i Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Arnbiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix I Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_011275267

NYC-WTC_000200932