NYC-WTC_000227949

NYC 9/11 Public Portal Document

TEM Asbestos (air) Couat Sheet Client Name: NYC BCE Volume (lirers): i S40 Lab Group #: 6832 Filter Tvpc / Filter Area: MCE Lab Sample #: 6 Grid Opening Size: O.ul i

Client Sample #: 06 ■Area Examined: (.'24496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2,26/02

Analysis Performed By: ______ KJ ______ ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or \ EDS No F B C M >=05 p Chrys Amphibole Nonasb I Ambig/ND I No Coord <5p i I Elements)

6

7/^ —----

1 i

Struct = > 0.5u > 5:1 Aspect Ratio Grid acceptance: >/= Positive diffraction pattern properties conforming to <50% 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 B C M >5p EDS spectrum conforming to laboratory holes or opaque areas idenlification critena 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 i M = Matnx Tremolite Non-ldentified + NSD = No Structures Detected Actinolite I

CITY_21MC100_002899497

NYC-WTC_000227949