NYC-WTC_000208259

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet CJient Name: NYC BOE Volume (liters): 1928 Lab Group #: 8828 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 7 GrulOpening^d^ O.Cl 124 Client Sample #: 02 Area Examined: 0.04496 mm^

GRID BOX: Magnifieation: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 AnaLsis Date: 9/10/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structur3 Type Length ID of Structure N or 9 EDS (Nonadb i No F B C M >=05 (J Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

A” - 3 A- vs

i

. Struct = > 0.5)1 >5:1 Aspect Ratio Gnd acceptance;

N= Positive diffraction pattern propenies conformirg to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification critena observed least 20 unfolded or overlapped gnd squares <5% F I B C I M I 9= EDS spectrum conforming to laboratory holes orcpaque areas identification criteria observed Chrysotile ■AMPHIBOLES Amphibole F = Single F ber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix ! Non-ldcntificd Actinolite NSD = No Structures Detected

CITY_21MC100_003021263

NYC-WTC_000208259