GO Structure Structure Type Length ID of Structure N or 4 EDS
>05 u (Nonadb
No F B C M >=5N Chrys Amphibole Nonasb AmbiglND
No Coord <gu Elements)
F
I
C
I
u
I I
I I I I
I I iTi I I I
Struct = > O.5µ > 5:1 Aspect Ratio Gna acceptance:
,r= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory iaentification criteria observea <10% particulate coverage '50% coverage ate
EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5% F B C NI 1 >5u
holes or opaque areas
identification criteria observed Chrvsotile
AMPHIBOLES mphiboie I
C = Singie Fiber
B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Amosite
Crocidolite
Anthopnyllite
Ambiguous
Non-Asbestos
Tremolite
M = Matrix
Ion-Identified
I NSD = No Structures Detected
Actinolite
NYC-WTC 000104506
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000104506Source: NYC Law Department, mirrored locally