NYC-WTC_000229299

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volmne (liters); 1840 Lab Gronp #: 8119 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 13 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 Analysis Date: 6/15/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Stnjctune N or V EDS (NwiadP No F B C M >=05 p >=6p Chrys Amphibole Nonas!) AtnbigrtJD t^o Coord Elements)

As.

Struct = > 0.5p >5:1 Aspect Ratio Grid acceplanca: 4= Positive diffraction pattern properbeatsonforming to <W%undssotvedftitBr, overtop^ or folded Totals fatxxatory iderrtrlicetionM <10% partsutale coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5p 4= EDS spectrum conforming to latxitatwy holes or opaque areas identirtcatiwi criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite i B = Bundle {<3 fibers <1 fiber diameler apart CrocWofite ' Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Trernolite M = Matrix Actinolite Non-Idcntificd NSD = No Structures Delected

CITY_2IMCl0 0_0 00491904 NYC-WTC_000229299