NYC-WTC_000214861

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Shec Client Name: NYC BOE VoIiHm icrs): 1920 Lab Group #: 8225 Filter Type/Fili. ,iea: MCE 385 mm’ Lab Sample #: 10 Grid Ope: g .Size: 0.01124 Client Sample #: 10 Area E.\ ined: 0.04496 mm’

GRID BOX: Magr ition:20,000 GRID ID: Acceleratin'' Lage: 100 KeV # Grid Openings: 4 All?.; ■ fate: 6/23/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. ■ Structure Structure Type Length ID OfS!' N or >/ EDS No Amphibole □ (Nonadb F B C M >=05 M >=5|j Ctirys Ambig/ND Elements) No Coord <5p I I

1=

L

Struct = > 0.5)1 > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming Io <50% undissolved filter, overlapped or folded Totals laboratory identification aileria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p ■/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Ciii ■ AMPHIBOLES ~ Al." F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Am. C = Cluster (>3 Intersections) Anthophyllite Non-A: Tremolite M = Matrix Non-Icic Actinolite NSD = No Structures Detected

CITY_21MC1OO_OO2871O37

NYC-WTC_000214861