1
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1840
Lab Group #: 7300 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 5 Grid Opening Size: 0.01124
Client Sample #: 05 Area Examined: 0.04496 mm^
GRID BOX: Maenification: 20,000
GRID ID: o Tar Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysts Date: 4/2/02
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or V EDS
No (Nonadb
F B C M >=05 M >=5p Chrys Amphibole Nonasb Ambig/ND
Elements)
No Coord <5p
I
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped 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 >5p
•/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
.AMPHIBOLES Amphibole
F = Single Fiber Amosite
S = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470779
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176731
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176731Source: NYC Law Department, mirrored locally