GO. Structure Structure Type Length ID of Structure N or 'Z EDS
No (Nonadb
F B C M >=05 p : ’=51J Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
— J
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:.
'J= Positive diffraction pattern properties conforming to <50% undissolved .filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5u
'J= EDS spectrum conforming to laboratory holes or opaque areas
identification cntena observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
8 = 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
CONFIDENTIAL, CITY_21MC100_003461725
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179866
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000179866Source: NYC Law Department, mirrored locally
Document containing transmission electron microscopy results for an asbestos air sample from a New York City Board of Education facility in March 2002.
Document containing transmission electron microscopy results for an asbestos air sample from a New York City Board of Education facility in March 2002.
Document containing transmission electron microscopy results for an asbestos air sample from a New York City Board of Education facility in March 2002.