NYC-WTC_000201095

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volnme (liters): 1920 Lab Group #: 7874 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 8 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0.04496 mm- GRID BOX: GRID ID: # Grid Openings: 4 V Magnification: Accelerating Voltage: Analysis Date: 20,000 100 KeV 5/25/02

Analysis Performed By: j wj

ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or A EDS Noi.T (Nonadb F B C M >=05 (J >=5p Chrys Amphibole Nonasb Ambig/ND .'No 'Coord <5u Elements)

/N- I'Y

■ Struct = > 0.5p >5:1 Aspect Ratio t' ■ Grid acceptance: r 7= Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded LIT dills laboratory identification criteria observed < <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p 5'7= EDS spectrum conforming to laboratory holes or opaque areas. identification criteria observed - , Chrysotile / AMPHIBOLES) ) Amphibole F = Single Fiber i Amosite i B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite 1 Ambiguous C = Cluster (>3 Intersections) Anthophyllite i . Non-Asbestos Tremolite ' M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CrTY_21MC100_011275386

NYC-WTC_000201102