NYC-WTC_000197762

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1870 Lab Group tf: 6465 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 5 Grid Opening Size: 0.01124

Clien£Samj21e^ 05 Area Examined: 0.04496 mm-

GRID BOX: Ma2nification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 1/27/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Norv EDS i Nc >=05 M i >=5|j Amphibole Nonasb (Nonadb F B C M Chrys Ambig/ND No 'Coord i <5p ) Elements)

9 Vz- //

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to ^50% undissolved filter, overtapped or folded Totals laboratory Identification criteria observed 10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C I M >5p V= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observec Chrysotile AMPHIBOLES. Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_003047183

NYC-WTC_000197762