NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1908
Lab Group #: 6015 Filter Type / Filter Area: MCE 385
Lab Sample #: 5 Grid Opening Size: 0.01124
Client Sample #: 05 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID : Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 12/1/01
Analysis Performed By:
ROMAN PEYSAKHOV
GO Structure Structure Type Length ID of structure N or x/ EDS
(Nonadb
No F B C M >=05 u >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5(J Elements)
6“^ ZZZS2Z3^
tl
TX7 it
I
Struct = > 0.5 p > 5:1 Aspect Ratio Grid acceptance:
>/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
<10% particulate coverage >50% coverage ate
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5% F B C M >5|J
x/= EDS spectrum conforming 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
Tremolite
M = Matrix
Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467331
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180654
OCR can misread numbers and units. Confirm readings against the page image before using them.