NYC-WTC_000229154

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; NYC BOE Volume (liters): 1808 Lab Group #: 7922 Filter Type / Filter Area; MCE 385 mm- Lab Sample #: 13 Grid Opening Size: 0.0 H 24

Client Sample#: 15 Area Examined: 0.04496 mm"

GRID BOX: Magnification: 20,000 GMD ID: Accelerating Voltaee: 100 KeV Analysis Date: 6/VO2

Analysis Performed By: MARK. PEYSAKHOY

GO, Structure Structure Type Length ID of structure N or V EDS (Nonadb No F B C M >=0^11 ’ : >=5tJ Chrys Amphibole Nonasb AmbigWD No; Coord <5(J Eterrwds)

43

1

Struct = > 0,5 p > 5:1 Aspect Ratio Grid accaptance: Poaitiva diffracton jattern properties conforming to Totals laboiaiofy idenflficaliai criteria observed least 20 unfolded or overtopped grid squares <5% F B C M >5p 4- EDS spectrum confoming to lahoratoiy holes or opaque areas idefitilicatlon criteria observed Chrysotile rAMPHtBQLES Amphibole F = Single Fiber 1 Amosite B = Bundle (<3 fibers <1 Uber diameter apart I Crocidolite Ambiguous C = Cluster 1^3 Intersections) ( AnthopfiyNite Non-Asbestos Tremolite Matrix Actinolite Nou-Identified NSO = No Structures Detected

CITY_21MC100_002902294

NYC-WTC_000229154