GO. Structure Structure Type Length i ID of Structure Nor 7 EDS
(Nonadb
No F B C M >=05 p >=5p I Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
I
i
O — T
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
*7= Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals
laboratory identification criteria obsen/ed <10% particulate coverage >50% coverage ate
least 20 unfolded or overiapped grid squares <5% B I C M >5u
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria obsenred Chrysotile
AMPHIBOLES i Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix Non-Identified
Actinolite
use = No Sfructures Detected
CONFIDENTIAL, CITY_21MC100_003466972
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180420
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000180420Source: NYC Law Department, mirrored locally
Technical data sheet for the eighth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Document containing laboratory findings for a transmission electron microscopy analysis of an asbestos air sample from a New York City Board of Education site.
Technical data sheet for the eighth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the eighth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.