NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name; NYC BOE Volume (liters): 1800
Lab Group #; 8214 Filter Type / Filter Area: MCE 385
Lab Sample #; 11 Grid Opening Size: 0.01124
Client Sample#; 13 Area Examined: 0.04496 mm^
GRID BOX: Magnification; 20 000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 6/22/02
Analysis Performed By; ;
MARK PEYSAKHOV
GO. Structure Structure Type LengBi iD of Structure N or v EDS
(NOlMb
No F 6 C M >=5p Chrys An^ihiwle Nonasb
No Coord Elements)
Struct = > Q.Sg > 5;t Aspect Ratio Grid acceptenee: -
■J- Positive diffraction pattern properties conforming to <50% undissotved fitter, overlapped or folded Totais
iatwratory fdefitificatwri criteria observed <10% particulate ccwerage >50% coverage ale
4= EDS spectrum contaming to laboratory
least 20 unfolded of overlapped grid squares <5% F B c M >5u
holes or opaque areas
identification criteria observed Chrysotile
i AMPHIBOLES J
i Arnosite }
Amphibole
F-Single Fiber
B = Bundle {<3 fibers <1 fiber diameter apart Crocidolite;,
Ambiguous
,' Andiophyllile Non-Asbestos
C = Cluster (>3 InteisecSons)
TremoHte- • - •
Ms Matrix Actinolite i- Non-Idcntificd
NSD = No Structures Detected
CITY_2IMCl0 0_0 00492021
NYC-WTC_000229350
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