NYC-WTC_000205958

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Warren & Panzer Volume (liters): 1746 Lab Group #: 8222 Filter Type / Filter Area: MCE 385 mm^ Lab Sample rf: 3 Grid Opening Size: 0.01124

Client Sample #: 083 Area Examined: 0.0562 mm-

GRID BOX: Magnification; 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openinns: 5 Analysis Date: 6/22/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type . Length ibofStructure N or V EDS (Nonadb No F B C M >=05 p .• >=5|J Chrys Amphibole Nonasb Ambig/ND No Coord <5m Elements)

Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: /= Positive diffraction pattern properties conforming to <50% undissdived filter) overlappeo or folded Totals laboratory identification criteria observed <10% particulate coJerage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u y= EDS spectrum conforming to aboratory holes or opaque areas identification criteria observed Chrysotile AMPHiBOLES Amphibole F = Single F'ber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite W, = Matrix Non-Identified Actinolite MSC - No Structures Detected

CITY_21MC100_002992046

NYC-WTC_000205961