NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
I Client Name:
Lab Group #:
ATC
6217
Volume (liters):
Filter Type! Filter Area:
1680
MCE 385 mn;
Grid Opening Size:
I Lab Sample #:
Client Sample #:
2
004 Area Examined:
0.01124
0.0562 mm=
GRID BOX: Magnification: 20,000
I GRID ID:
# Grid Openings: 5
Accelerating Voltage:
Analysis Date:
100 KeV
12/28,01
Analysis Performed By:
MARK PEYSAKHOV
GO Structure Structure Type Length ID of Structure N or EDS
No Coord
No F B C M >=0uu >=5p Chrys Amphibole Nonaso
Ambig/ND (Nonad
Ementsi
II I i
I
I I
I I I I
I I I
! I
I I
Jill
I I
I
I
Li
I
I
I I
I
I I I
I I ! I
Struct = % U.5µ > 5: 1 Aspect Ratio Gnd acceptance:
v- pdsdive diffraction pattern properties conforming to
<50% undissolved filter, overlapped or forded Totals
lacoratory identification cntena ooserveo <10% particulate coverage >50% coverage ate
I ,i= EDS spectrum contorming to laooratory
identification criteria observed
least 20 unfolded or overlapped gnc squares <5%
holes or opaque areas
Chiysotile
F B C M 5u
AMPHIBOLES Amphibole
I F = Single Fiber
B = Bundle (<3 fibers <t tiber diameter apart
= Cluster (>3 Intersections)
Arnosite
Croctdolite
Anthopnyllite
Ambiguous
Non-Asbestos
Tremolite
M = Matnx
I NSD = No Structures Detected
Actinolite Non-Identified
NYC-WTC 000104521
OCR can misread numbers and units. Confirm readings against the page image before using them.