NYC 9/11 Public Portal Document
TEMM Asbestos (air) Count Sheet
I Client Name:
Lab Group #:
ATC
6087
Volume (liters): 1300
Filter Type / Filter Area: NICE 335 mm=
Grid Opening Size: 0.01 1 24
I Lab Sample #:
Client Sample #:
4
4 Area Examined: 0.06744 mm2
GRID BOX: Ef Magnification: 20,000
Li GRID ID:
# Grid Openings: 6
Accelerating Voltage:
Analysis Date:
100 Key'
12/13/01
r
Analysis Performed By:
nfD
MARK PEYSAKHOV
I GC Structure
No
Structure Type
F 6 C M >=05 N
Length
>=5N Chrys
ID of Structure
Amphiboie Nonaso
Nor v
Ambig/ND
EDS
(Nonadb
No Coord <5u Elements)
ii
I I
i ! I
I I I
I I l i i I
I
I I
I
I I I I I I I I I I
I Struct = > 0.5µ > 5: l Aspect Ratio Grid acceptance:
'1= Positive diffraction pattern properties conforming to <50% uncissoived filter, ovenapped or folded Totals
aoeratory identification cetera observed <10% particulate coverage >50% coverage ate
IC
I Jr
EDS spectrum conforming to iaooratery
Identification criteria observed
least 20 unfolded or overlapped gnd squares <5% 1
holes or opaque areas
Chrysotile
F B M >5u
AMPHIBOLES Amphibole
F = Single Fiber Amosite
6 = 3undle (<3 fibers <1 if ber diameter apart Crocidolite Ambiguous I I
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = vlarnx
1 NSC = No Structures Detected
Actinolite Non-Identified ;
NYC-WTC 000104504
OCR can misread numbers and units. Confirm readings against the page image before using them.