GO. Structure Structure Type Length ID of Structure N or V EDS
No >=05 p Amphibole Ambq/ND (Nonadb
F B C M Chrys Nonasb
No Coord <5p Elements)
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
V = Positive diffraction pattern properties conforming to <50% undissolved filter, ovedapped 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 >5P i
'/= 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
Tremolite
M = Matrix Non-Identified
Actinolite
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3388456
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000229896
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000229896Source: NYC Law Department, mirrored locally
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
Document recording laboratory analysis results for a transmission electron microscopy asbestos air sample collected from a New York City Board of Education site.
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
Document recording laboratory analysis results for a transmission electron microscopy asbestos air sample collected from a New York City Board of Education site.