TEM Asbestos (air) Count Sheet
Client Name NYC BOE Volume (litersl 1936
Lab Group # 8739 Filter Type / Filter Area MCE 385 mm^
Lab Sample # 20 Grid Opening Size 001124
Client Sample # 20 Area Examined 0 04496 mm
GRID BOX Magnification 20 000
7
GRID ID Accelerating Voltage 100 KeV
# Grid Openings 4 Analysis Date 8/23/02
Analysis Performed By
ROMAN PEYSAKHOV
GO Structure Structure Type Length ID of Structure Norv EDS
No > 05 m (Nonadb
F B C M >-5p Chrys Amphibole Nonasb Ambig/ND
No Coord 5u Elements)
T
TT
/o-
Struct = > 0 5m > 5 I Aspect Ratio Gnd acceptance
•/ Positive diffraction pattern properties conforming to <50/ undissolved filter overlapped or folded Totals
laboratory identification critena observed <10/ particulate coverage >50 / coverage ate
least 20 unfolded or overlapped gnd squares 5 / F B C M 5u
V EDS spectrum conforming to laboratory holes or opaque areas
identification critena observed Chrysotile
amphiboles"^ Amphibole
F Single Fiber Amosite
B Bundle (<3 fibers 1 fiber diameter apart Crocidolite Ambiguous
I Anthophyllite i Non Asbestos
C Cluster ( 3 Intersections)
Tremolite I
M Matnx Actinolite Non Identified
NSD No Structures Detected
CONFIDENTIAL, CITY_21MC100_003431043
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175444
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NYC-WTC_000175444Source: NYC Law Department, mirrored locally