NYC-WTC_000196855

NYC 9/11 Public Portal Document

TEM AsbestDS (air) Count Sheet Client Name: NYC BOE Volume /liters): 1920 Lab Group #: 9210 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 5 Grid Opening Size: 001124

Client Sample #: 07 Area Examined: 0 04-196 mm-

GRID BOX: x Magnification: 20,000 GRID ID: xx^ Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/26/200

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or 7 EDS (Nonadb No F B C M TTosp ; =5pj Chrys Amphibole Nonasb Ambig/NO No Coord <5p elements)

^•7 i

I T

i I T

A Photo No (trom 1 in b asbestos containing samp es) Gnd acceptance Struct = > 0 5p >5.1 Aspect Ratio <50% undissolved filter, overlapped or folded Totals Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification entena observed least 20 unfolded or overlapped gnd squares >5u F B C M <5% holes or opaque areas EDS spectrum conforming to laboratcry Chrysotile Identification entena observed ' AMPHIBOLES i Amphibole I---------------------------- I r = Single Fiber ; Amosite S = Bundle (<3 fibers <1 fioer diameter apart ' Crocidolite Ambiguous i Anthophyllite C = Cluster (>3 Intersections) 1 Tremolite Non-Asbestos M = Matrix i Actinolite I Non-Identified NSC = No Structures Detected

CITY_21MC100_0 03057936

NYC-WTC_000196855