GO. Structure Structure Type Length ID of Structure NorY EDS
(Nonadb
No F B C M >=05 p >=5|J Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
-3
A---
Struct = > 0.5u >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissoived filter, overlapped or folded Totals
laboratory identification criteria obsenred <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5u
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-tdentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467113
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180521
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000180521Source: NYC Law Department, mirrored locally
Technical data sheet for the sixth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the sixth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the sixth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.