NYC-WTC_000199377

NYC 9/11 Public Portal Document

TEM Asbestbs (air) Count Sheet Client .Name: NYC BOE Volurie (liters): 1952 Lab Group #: 8745 Filter Type / E i ter Area: MCE 385 mm^ Lah Sample #: 6 GridOpeiiing Size: 0.01124 Client Sample #: 6 Area E xaminecl: 0.04496 mm-

GRID BOX: Mag lifieation: 20,000 GRHim: Aeeeleratin; Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 8, 24/02

Analysis Performed By: MARK PEYSAKHOV

GO, Structurg Structure Type Length ID of Sti JClure Nor V EDS (Nonada No F B c M >=05 p ; •=5p Chrys i Amphibole Nonasb Ambig/ND No Coord <5p Elements)

I

Struct = > 0,5a '■ T I .Aspect Ratio Grid acceptance; y= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laooratoiy identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or oveilaoped grid squares <5% C I M >5p \= EDS spectrum conforming to laborator/ holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES ?\mph bole I [

n F = Single Fiber Amosite E = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambigiious C = Cluster (>3 Intersections) Anthophyllite Non-Asb ,'stos Tremolite M = Matrix Non-Ideniified Actinolite NSD = No Structures Detected

CITY_21MC100_003033679

NYC-WTC_000199377