NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet
Client Name: NYC BOE Volume (liters): 1856
Lab Group #: 6582 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 13 Grid Opening Size: 0.01124
Client Sample #: 15 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID : ; Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/7/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS
(Nonadb
No F B C M •=05p Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
T I
Struct = > 0.5g ->5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to ^^0% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed :10% particulate coverage >50% coverage ate
least 2C unfolded or overlapped grid squares <5% F B C M >5u
EDS spectrum conforming to laboratory holes or opaque areas
identification critena observed Chiysotile
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 Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467781
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180960
OCR can misread numbers and units. Confirm readings against the page image before using them.