TEM Asbestos (air) Count Sheet
ClientName NYC BOE Volume (liters) 1928
Lab Group # 8739 Filter Type / Filter Area MCE 385 mm^
Lab Sample # 4 Grid Opening Size 0 01124
Client Sample # 4 Area Examined 0 04496 mm^
GRID BOX Magnification 20 000
GRID ID Accelerating Voltage too KeV
# Grid Openings 4 Analysis Date 8/23/02
Analysis Performed By
ROMAN Pi^SAKHOV
GO Structure Structure Type Length ID of Structure Norv EDS
No (Nonadb
F B C M 05 M >=5p Chrys Amphibole Nonasb Ambg/ND
No Coord <5m Elements)
2
' it
Struct = > 0 5p >0 1 Aspect Ratio Gntf acceptance
t
Positive diffraction pattern properties conforming to 50 / undissolved filter overlapped or folded Totals
taboratory identification critena observed 10 / particulate coverage 50 / coverage ate
least 20 unfolded or overlapped gnd squares 5 / F B C M 5m
'J EDS spectrum conforming to laboratory holes or opaque areas
identification catena observed Chrysotile
AMPHIBOLES Amphibole
F Single Fiber Amosite
B Bundle! 3 fibers 1 fiber diameter apart Crocidolite Ambiguous
C Cluster! 3Intersections) Anthophyllite Non Asbestos
Tremolite
M Matnx
Actinolite Non Identified
N8O No Structures Detected
CONFIDENTIAL, CITY_21MC100_003431027
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175430
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000175430Source: NYC Law Department, mirrored locally