GO. Structure Structure Type Length ID of Structure Norv EDS
No >*05 p :>=5(J (Nonadb
F B C M Chrys Amphibole Nonasb Ambig/ND
I No i Coord <5p Elements)
—
!—r
Struct “>0.5u >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory ujentification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M i >ou
y/= 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 interseefions) Anthophyllite Non-Asbestos
Tremolite
M = Matra Actinolite Non-Identified
I.
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003456512
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178981
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000178981Source: NYC Law Department, mirrored locally
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 data sheet recording transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on June 19, 2002.