Structure Structure Type Length IDofSbu^ N or •/ EDS
No >=06 M Nonasb (Nonadb
F B C M >=5p Chrys Amphibole Amtog/ND
3 No Coord <sm Elemente)
Jr
3
t
Struct “> 0.5m > 5:1 Aspect Ratio . Grid acceptance:
Totals
laboratory idenWeation criteria observed
least 20 unfolded or overtapped grid squares <5% F B C M >5m ;
■^= EDS spectrum conforming to laboratory holes Of opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 Abers <1 Aber diameter apart Crocidolite Ambiguous
C = Cluster (>3 intersections) Anthophyllite Non-Asbestos
Tremolite
M = Msttx Actinolite Nou-Identified
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003456503
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178972
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NYC-WTC_000178972Source: 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 19, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 27, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 10, 2001.