NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet
Client Name: NYC BOE Volume (liters): 1928
Lab Group 7523 Filter Type / Filter Area: MCE 385 mm’
Lab Sample #: 4 Grid Opening Size: 0,01124
Client Sample #: 04 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: too KeV
# Grid Openings: 4 Analysis Date: 4/24/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Stnjcture NorN EDS
No (Nonadb
F B C M >=05 p >=5|J Cfirys Amphibole Nonasb Ambig/NO
No Coord <5m Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
N= Positive diffracSon pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ite
least 20 unfolded or overlapped grd squared <5% F B C M >5m
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
I Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_002892962
NYC-WTC_000224327
OCR can misread numbers and units. Confirm readings against the page image before using them.