TEM Asbestos air sample results, NYC BOE, Nov 2001
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of an air sample collected for the NYC Board of Education on November 25, 2001.
TEM Asbestos fa j Count Sheet
Clien! NYC BOE Volume I liters): 1928
Labt 5970 Filter Type / Filte;- Area: MCE 385 mm-
Lab S-.. iS Grid Opening Size: 0.01124
Clieni IS Area Exaniined: 0.04496 mm-
GRID i Magnificatbur 20,000
GRID i: Accelerating S nliaue: 100 KeV
# Grid 112.N “1 Anah si.s Date: 11/25/01
Analysis Performed By;
roman Pl..’; rA cKHOV
GO Structure Structure lype j Length ID of Structure y or 9 EDS
No (Nonadb
F I B C M ! >=05 p >=5p Chrvs Amphiboie j Nonasb Ambig/ND
<5p ' Elements)
fS t
1—r
Struct = 5:! Aspect Ratio Grid acceptance:
d= Positive ml I . pattern properties conforming to <50% undissolved titer, overlapped loiried Totals
<10% particulate coverage coverage ate
laboratory derpiuc.-.tion criteria observed
least 20 unfolded or overlapped grio squares <5% F B C M >5p
9= EDS specu.A' lonforming to laboratory holes or opaque areas
identification c-ib.-ria observed Chrysotile
AMPHIBOLES Amphibo le
F = Single Filu Amosite
B = Bundle I - (11’ <1 liber diameter apart Crocidolite ' Ambtgtious
C = Sluste' : Hi lections I Anthophyllite Non-Asbe.stos
Tremolite I
M = Main;
NSD = Nc Sa.. Detecled
Actinolite Non-IdentnioS j
1 i.
CONFIDENTIAL, CITY_21MC100_003458405
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179183
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NYC-WTC_000179183Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected for the NYC Board of Education on November 25, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on January 27, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected for the NYC Board of Education on November 25, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected for the NYC Board of Education on November 25, 2001.