NYC-WTC_000230343

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1936 Lab Group #: 6687 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm-

GRID BOX: Maenification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 2/15/02

Analysis Performed By; {NQv ROMAN PEYSAKHOV

GO. Structure Structure Type Length. ID of Structure N or v =DS (Nonadb No F B C >=05 p >=5)4 Chrys Amphibole Nonasb . Ambig/ND No Coord <5u Elements)

cr

Struct = > O.Sp _> 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to “"dissolved niter, 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 >5tJ '/= EDS spectrum conforming 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 Tremolite M = Matrix Actinolite Non-Identifietl NSD = No Structures Detected

CONFIDENTIAL, CITY_21MC100_003389097 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230343