NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 7353 Filter Type / Filter Area: MCE 385 mm’
Lab Sample #: 4 Grid Opening Size: 0.01124
Client Sample #: 04 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: too KeV
# Grid Openings: 4 Analysis Date: 4/7/02
Analysis Performed By:
MICHAEL GORYCKI
GO. Structure Structure Type Length ID of Structure N or 7 EDS
(Nonadb
No F B C M >=05 p i>=5j Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
<5M
/L/r/P
<7
0
1/
_________
Struct = > 0.in >5; I Aspect Rutio Grid acceptance;
7 = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed < 10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C
7= EDS spectrum coniorming to laboratory holes or opaque areas
identification 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 I
Tremolite
M = Matrix Non-ldentified j
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470888
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176803
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