NYC-WTC_000228066

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE N'olume (liters): !840 Lab Group #: 6988 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 15 Grid Opening Size: 0.01 124 Client Sample #: 15 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating V’oltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/8'02

Analysis Performed By: MARK PEYSAKHOV

GO- Structure Structure Type Length ID of Structure N or EDS ■Monadb No F B C M >=05 y Chrys Amphiaole Nonasb Ambig/NO No Coord <5m Clements) ।

id)

era

1.

Struct=>0.5p > 5:1 Aspect Ratio Grid acceptance; '/= Positive diffraction pattern properties confomiing to <50% undissolved filter, overlapped or folded Totals laboratory lOeniilication criteria observed <10% particulate coverage >50% coverage ate leasl 20 unfolded or overlapped grid squares <5% F I B , C M '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole —r F = Single Fiber Amosite B = Bundle (<3 fibers <i liber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Non-ldentified Actinolite NSC = No Structures Detected

CITY_21MC100_006617526

NYC-WTC_000228066