NYC-WTC_000214850

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (li: :928 Lab Group#: 8212 Filter Type / Filter ■ ICE 385 mm^ Lab Sample #: 14 Grid Opening ‘ J.01124

Client Sample #: 14 Area Exaiiii .04496 mm^

GRID BOX: Magni Hca 20,000 GRID ID: Accelerating y ol ''0 KeV # Grid Openings: 4 Analv.si.s i 22/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure EDS No (Nonadb F B C M >=05 p Chrys Amphibole ig/ND No Coord <5m Elements)

____ 2

Struct = > 0.5n > 5:1 Aspect Ratio Grid acceptance: 'Z = Positive diffraction pattern properties confomting to undissoNed filter, overlapped or folded - laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile . AMPHIBOLES ' Amphibuiv F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite ' Ambigiu’iis C = Cluster (>3 Intersections) Anthophyllite Non-Asbestd.s Tremolite M = Matrix Non-Identilicii । Actinolite NSD = No Structures Detected

CITY_21MC100_002871021

NYC-WTC_000214850