NYC-WTC_000218089

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NIT BOE Volume (liters): 1920 Lab Group #: 6884 Filter Type / Filter .Area: MCE . mm- Lab Sample #: 8 GricLQ£enin^Si^ 0.01124

Client Sample #: 08 Area Examined: 0 0449'0 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 Ke V # Grid Openings: 4 Analysis Date: 3/2/02

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or v EDS No (Nonadfc F B C >=05 p ~ >=5p Chrys Amphibole ) Nonasb Ambig/ND No Coord <5p Elements) '

I t 4- { i Struct = > 0,5p >5:1 Aspect Ratio Grid acceptance: '/= Positive difIraction patterri properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

i/= EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas i F B i C i M >5u

identification critena observed Chiysotile AMPHIBOLES Amphibole j F = Single Fiber Amosite Ambiguous 41---- 1 B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-ldentified 1 NSD = No Structures Detected

CITY_21MC100_000465871 NYC-WTC_000218089