NYC-WTC_000212952

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Shet Client Name: NYC BOE Voltiiii : ers): 1920 Lab Group #: 8225 Filter Type / Fiit tea: MCE 385 mm- Lab Sample #: 10 Grid Ope '1. Size: 0.01124

Client Sample #: 10 Area E' lied: 0.04496 mm‘

M:i»i ition: GRIP BOX: 20,000 GRIP ID: -.2£!F Acceleratin' Lage: 100 KeV # Grid Openings: 4 An:' ■ /ate: 6/23/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of S' N or V EDS (Nonadb No F B C M >=05 p >=5m Chrys Amphibole J Ambig/ND No Coord Elements) <5p

2 &2

I

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:

'/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Ci.^ : AMPHIBOLES Al F = Single Fiber Amosite Am B = Bundle (<3 fibers <1 fiber rJiameter apart Crocidolite C = Cluster (>3 Intersections) Antliophyllite Non-z\: Tremolite M = MaTO Actinolite Non-Idc NSO = No Structures Detecteri

CITY_21MC100_002867702

NYC-WTC_000212952