GO, Structure Structure Type Length ID of Structure NorN EDS
(Nonadb
No F B C M >=06 p i >=^ Chrys Amphibole Nonasb Ambig/ND
No Coord <5u i Elements)
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to ^^0% 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 I C M >6u
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
Actinolite I Non-ldentified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467928
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181064
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000181064Source: NYC Law Department, mirrored locally
Technical data sheet for the tenth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the tenth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the tenth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.