NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE V^olume (liters): 1920
Lab Group #: 7182 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 6 Grid Opening Size: 0.01124
Client Sample #: 06 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/23/02
Analysis Pertormed By: (Xy
ROMAN PEYSAKHOV
GO. . Structure Structure Type Length ID of Structure Nor7 EDS
(Nonadb
No F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
/ V 6
-----------------
------ 1------------------------------------------
i !
Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance:
V= Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals
<10% particulate coverage >50% coverage ate
laboratory identification criteria observed
least 20 unfolded or overtapped grid squares <5% F B C M I >5u
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
"amphiboles Amphibole
F = Single Fiber Amosite
B = 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_003 468708
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181609
OCR can misread numbers and units. Confirm readings against the page image before using them.