NYC-WTC_000229110

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): ISOO Lab Group 7893 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 11 Grid Opening Size; 0.01124

Client Sample #: 13 Area Examined: 004496 mm-

GRID BOX; Magnification: 20,000

GRID ID: ^^27 Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5.''28/02

Analysis Performed By: fVf ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS (Nonadb No F B C W >=05 p >=5p Chrys Afnpracoie Monasb Amtjig/ND No Coord <5p Elements)

Struct = > 0.5u > 5; I Aspect Ratio GreJacceptmeC. •/’Positive diffraction pattern properties conforming to "'“SEP'’ * *'*’*’, Totals <10%identification l_ti.z___ laboratory particulate coverage >50% coverage ate criteria observed least 20 unfolded or overlapped grid squares <5% F B C M EDS spectrum cwiforming to laboratory boles or opaque areas identricaton criteria obsewed Chrysotile AMPHIBOLES Amphibole F = Sngte Fiber Amosite B = Bundle (<3 fibers < 1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersecbons) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified N3D = No Structures Detected

CITY_21MC100_002902220

NYC-WTC_000229110