GO. Structure Structure Type Length ID of Structure N or N EDS
(Nonadb
No r B C M >=05 u >=5(j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > Q.5u .>5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissaived filter, overlapped or folded Totals
laboratory identification criteria observed <10% partculate coverage >50% coverage ate
EDS soectrum conforming to laboratory
identification criteria ooserved
least 20 unfolded or overtapped grid squares <5%
holes or opaque areas
Chrysotile
r B C M >5|j
AMPHIBOLES Amphibole
F = Single Fiber Amosite
E = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous j
C - Cluster (>3 Intersections) Anthophyllite Non-Asbestos j
M = Matrix
T remolite
Actinolite Non-Identified j
NSD = No Structures Detected
CITY_21MC1OO_OO31O4541
NYC-WTC_000184037
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000184037Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.
Laboratory documentation of transmission electron microscopy analysis results for an air sample collected from a New York City Board of Education site in December 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.