NYC-WTC_000187016

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Warren & Panzer Volume (liters): 1300 Lab Group #: 8449 Filter Type / Filter Area: MCE 385 mm^ 3 Grid Opening Size: 0.01124 Lab Sample #: Area Examined: 0.06744 mm^ Client Sample #: 03 GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 6 Analysis Date: 7/11/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS (Nonadb No F B C M >=05 p >=5pi Chrys Amphibole Nonasb Ambig/ND Elements) No Coord <5m

Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <^0% undissolved filter, overtepped orfolded Totals laborato^ identification criteria obsen/ed <1°% Partculate coverage >50% coverage ate

EDS spectrum conforming to laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% holes or opaque areas Chrysotile LU c M >5p

amphiboles! Amphibole F = Single Fiber Amosite \ B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intereections) Anthophyllite Non-Asbestos Tremolite M = Matnx Non-Identified Actinolite NSD : No Structures Detected

CITY_21MC100_002964947

NYC-WTC_000187016