GO. Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 u Chrys | Amphibole Nonasb ) Ambig/ND
No Coord <5u Elements)
------- 1--------
ZZEZZ
(r
//
if
Struct = >0-5p >5:1 Aspect Ratio Grid acceptance:
4= Positive diffraction pattern properties conforming to <50% undissolved filter, ovedapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% : F B C M >5u
4= EDS spectrum conforming to laboratory holes or opaque areas
Identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matnx Actinolite ' Non-Identified j
NSD = No Structures Detected
CITY_21MC100_003104847
NYC-WTC_000184250
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000184250Source: NYC Law Department, mirrored locally
Laboratory data sheet recording transmission electron microscopy analysis of an air sample for asbestos fibers collected by the NYC Board of Education.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample for asbestos fibers collected by the NYC Board of Education.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample for asbestos fibers collected by the NYC Board of Education.