NYC-WTC_000200563

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #■. 8147 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 11 . Grid Opening Size: 0.01124 Client Sample #; 11 : i Area Examined: 0.04496

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV: # Grid Openings: 4 Analysis Date: 6/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS No ' (Nonadb ■ F B C M Chrys Amphibole Nonasb Ambig/ND No Coord <5p .Elements)

—A f.

/F

Struct = > 0.5p >5:1 Aspect Ratio. / Grid acceptance: v*/ Positive diffraction pattern properties conforming to • ^0'^ undissolved filler, overlapped or foldedr //;/ ........... - laboratoryJdentification criteria observed ■ <10% particulate coverage >50% coverage ate : , least 20 unfolded or overlapped grid squares <5% F B C M >5p.: EDS spectfum conforming to laboratory ■ : holes or opaque areas identification criteria observed t/ Chrysotile /AMPHIBOLES Amphibole : : F = Single Fiber i Amosite - B = Bundle (<3 fibers <1 fiber diameter apart f Crocidolite Ambiguous C-Cluster (>3. Intersections) ' Anthophyllite Non-Asbestos M - Matrix • . r ' Tremolite J Actinolite Non-Identified NSD = Wo Struciures Detected

NYC-WTC_000200573