NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume fitters): 1832
Lab Group #: 7033 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 14 Grid Opening Size: 0.01124
Client Sample #: 16 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/12/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or v EDS i
No (Nonadb i
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
Elemenis) !
<5m
2^2
1
—
Struct = > 0.5u > 5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laooratory identification criteria observed <10% partcbiate coverage >50% coverage ate
least 20 unfolded or overtapped grid squares <5 ’i F ’ B i C M -u
EDS spectrum conforming to laboratory boles or opaque areas
identification criteria observed Chrysotile
.AMPHIBOLES Amphibole
F = Single Fiber Amosite
3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite
Ambiguous I
B
C = Cluster (>3 Interaecbons) Anthophyllite Non-.Asbcstos
T remolite
M = Matnx Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3389249
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000230441
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