GO. Structure Structure Type Length IDofStnrcture Norv EDS
No (Nonadb
F B C M >=05 p :>=5|J Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffraction pattern properties conforming to <50% undissoked filter, overiapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overiapped grid squares <5% F B C M >5p
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
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003461809
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179920
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000179920Source: 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 20, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on January 28, 2002.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on June 20, 2002.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on June 20, 2002.