NYC-WTC_000197605

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: m-’C BOE Volume (liters): 1936 Lab Group #: 5999 Filter Tvpe / Filter Area: MCE 385 mm" Lab Sample #: 12 G7ddOpening Size2 0,01124

Client Sample #: 12 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/30/01

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or N EDS Ampnibole I Nonasb i Ambig/ND (Nonadb No F BiCiM >=^05 pi >=5|j Chrys No Coord I I Eiements) <5u

EZO ! ---- i

Struct = > 0.5|x _> 5:1 Aspect Ratio Grid acceptance: </= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or lolded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B 1 C I M p5p EDS spectrum conforming to laboratory holes or opaque areas I identification criteria obsen/ed Chrysotile i ( 1 AMPHIBOLES Amphibole F = Single Finer Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite W = Matrix Non-ldeatified Actinolite NSD = No Structures Detected

CITY_21MC100_003046251

NYC-WTC_000197605