GO. Structure Stnjcture Type Length IDofStnrcture N or "7 EDS
No (Nonadb
F B C M >=05 p >=5)j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
•J= Positive diffraction pattern properties confomiing to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overiapped grid squares <5% F B C M >5p
'J- EOS 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
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFWEHIIAl, CIIX_21MC1OO_OO3161599
SUBJECT IO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179775
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000179775Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on February 2, 2002.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on June 19, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on February 2, 2002.