NYC-WTC_000201325

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume niters'): 1800 - Lab Group #: 7354 Filter Type / Filter Area: MCE bSS mm- Lab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #: 15 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 AjialysisDate: 4/8/02

Analysis Performed By: MAEKPEYSAKHOV

GO, Structure Structure Type Length ID of structure N or V EDS No m (Nonadb ! F, B 1 C M >=05 p ) >=5p Chrys Amphibole Nonasb Ambig/ND ' , No/ Coord <5j j Elements)

•k

Struct = r> 0.5g .> 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <50% undisso ved filter, overlappetj or folded I otals laborator/ identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gdd squares <5% F B C M EDS spectrum conforming to laboratory hcles or opaque areas identification criteria observed Clrtrysotile I AMPHIBOLES j Amphibole f = Single Fiber ! Amosite ! 6 = Bundis (<3 fibers <1 -fiber diameter apart ‘ Crocidolite Ambiguous ’ C = Cluster (>3 intersections) - Anthophyllite : Non-Asbestos Tremolite ) M = .Matrix .Actinolite Non-Identified NSD = No Structures Delected

CITY_21MC1OO_O11275634

NYC-WTC_000201339