NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 2000
Lab Group #: 6896 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: s Grid Opening Size: 0.01124
Client Sample #: 05 Area Examined: 0.04496 mm-
GRID BOX: Magnification; 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/2/02
Analysis Performed By;
ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of structure N or 9 EDS
No (Nonadb
F B C M >=05 u Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
/Z / ,Zi2- 3^^
—U___
Struct = >0.5u >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
B = Bundle j<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3468261
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181280
OCR can misread numbers and units. Confirm readings against the page image before using them.