NYC-WTC_000197950

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6672 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.04496 mm*

GRID BOX: Magnification: 20,000 GRID ID: # Grid Openings: 4 22^ Accelerating Voltage: Analysis Date: 100 KeV 2/14/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Nor4 ■EDS (Nonadb No F B C >=05 M >=5fj Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

IP y__ -Ji__ -Ji___ ---------------

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance; ^/= Positive diffraction pattern properties conforming to <50% undissalved 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 C M >5p EDS spectrum confonning to 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) Anthophyllite Non-Asbestos T remolite M = Matrix Actinolite Non-Identified NSD .= No Structures Detected

CITY_21MC100_003047448

NYC-WTC_000197950