TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1816
Lab Group #: 7345 Filter Type / Filter Area: MCE 385 mm
Lab Sample #: 15 Grid Opening Size: 0.01124
Client Sample #: 18 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: too KeV
# Grid Openings: 4 Analysis Date: 4/6/02
Analysis Performed By:
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or v EDS
No >=05 M i '=5(J (Nonadb
F B C M Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totajs
<10% particulate coverage >50% coverage ate
laboratory identification criteria observed
least 20 unfolded orovertapoed grid squares <6% B C M
/= EDS spectrum conforming to laboratory
I F >5p
holes or opaque areas
Chrysotile j
identification criteria observed
.AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameier apart Crocidolite
Ambiguous
C = Cluster (>3 Intersections! Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_003060023
NYC-WTC_000204250
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NYC-WTC_000204250Source: NYC Law Department, mirrored locally