NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: WC BOE Volume (liters): 1928
Lab Group #: 5975 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 1 Grid Opening Size: 0.01124
Client Sample #: 1 Area Examined: 0.04496 mm*
GJRJD BOX: Magnification: 20,000
GRIP ED: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 11/27/01
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or N EDS
No (Nonadb
F B C M >=05 U Chrys Amphibole NonasB Ambig/ND
^0 No Coord <5iJ Elements)
i V
PZ : J-----1
I
fl
2£
Struct = > 0.5(1 .>5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern progenies conforming to <50% undissolved filter, overlapped ar folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5o
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fibe,' Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections! . Anthophyllite Non-Asbestos
Tremolite
M = WatrIx Non-Identified
Actinolite
NSD = No Structures Detected .....I__
CONFIDENTIAL, CITY_21MC100_003458437
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179195
OCR can misread numbers and units. Confirm readings against the page image before using them.