NYC-WTC_000228816

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters); 1800 Lab Group #: 7672 Filter Type / Filter Area: MCE 385 tnm^ Lab Sample #: 6 Grid Opening Size; 0.01124

Client Sample #: 08 Area Examined; 0.04496 mm* ////^ / Magnification: 20,000 GRID BOX: GRJDID. # Grid Openings: 4 2Z2/ Accelerating Voltage: 100 KeV Analysis Date: 5/8/02

Analysis Performed By: ROMAN PEYSAKHOV

GO structure Structure Type Length IDofStrucliire Nor V EDS

s No (Noradb F B C M >=05 M >=5p Chrys AmpniWe Nonasb AmtHgj'NO No Coord <5p Elements} — r 0-

1 I I

I 1 1-i

Struct ” > 0.5p >5:1 Aspect Ratio Grid acceptance: y'= Pasibve dittraction panam properties conforming to <50% undissoived filter, overlapped or folded Totals laioratory identification criteria observed <10% particulate covers >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M \'= EOS spectrum conforming to laborator/ holes or opaque areas identification criteria observed Chrysotile amphiboles Amphibole F = Single Fiber Amosite B = Eundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Inteisections) Anthophyllite Non-Asbestos Tremolite M * Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_002901735

NYC-WTC_000228816