NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1816
Lab Group #: 7987 Filter Type / Filter Area: MCE 385 mm"
Lab Sample #: 5 Grid Opening Size: 0.01124
Client Sample #: 08 Area Examined: 0.04496 mm"
GRID BOX: Magnification:
20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 6/6/02
Analysis Performed By;
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure NorV EDS
No (Nonadb
F B C M >'05 p >=5p Chrys Amphibole Nonasb Ambig/ND
Elements)
iNoj Coord <5|J
Struct = > (l.5p >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissolved fitter, overlapped or folded Totals
laboratory identification criteria observed <10% parliculats coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M
EOS spectrum conforming to laboratory holes or opaque areas
identificaPon criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B ' Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C ' Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Actinolite ■ Non-ldentified
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003456507
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178976
OCR can misread numbers and units. Confirm readings against the page image before using them.