NYC-WTC_000201325

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7354 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1. Grid Opening Size: 0.01124 Client Sample #: 01 Area Examined: 0.04496 nW GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/8/02

Analysis Performed By: AIARK PEYSAKHOV

GO. Structure Structure Type Length' - ID of Structure NorV EDS (Nonadb ■ No F 3 C M >=05 |J >=5(j Chrys A.-nphibole Nonasb Ambig/ND No Coord <5u Elements)

Struct = > 0,5(1 > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissoivsd filter, overlapped or folded .lOLiIs laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B 4= EDS speclrun conforming to laboratory C M >5iJ holes or opaque areas identification criteria observeo Clirysotile AMPHIBOLES : Amphibole F e Single Fiber . Amosite : 3 = Bundle !<3 fibers <1 fiber diameter apart Crocidolite i Ambiguous' C = Cluster (>3 Irtersections) ! Anthophyllite Non-Asbestos ! Tremolite M = Matrix ! Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC1OO_O1127562O

NYC-WTC_000201325