GO. Structure Structure Type Length ID of Structure Norv EDS
Ng (Nonadb
F B C M >=05 p ;>=5p Chrys Amphibole Nonasb Ambig/ND
No ; • Coord <5m Elemente)
■
■--------------------
Struct = > 0.5)1 >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffraction pattern properties conforming to <50% undissolved filter, oveilapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overtapped grid squares <5% F B C M >5|j
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) I Anthophyllite Non-Asbestos
! Tremolite
M = Matrix Non-ldentified
i Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 03470592
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176610
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176610Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
Laboratory report containing transmission electron microscopy findings for an asbestos air sample collected from a New York City Board of Education location.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.