NYC-WTC_000206635

NYC 9/11 Public Portal Document

TEMAsbestosfairlCountSh^ Client Name: Warren & Panzer Volume (liters): 1680 LahGroupj^ 8323 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.0562 mm^

GRIDBOX; Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV ft Grid Openings: 5 Analysis Date: 6/29/02

Analysis Performed By: MARK PEYSAKHOV

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

. ----- xL, o

Struct = > 0.5g > 5:1 Aspect Ratio Grid acceptance; 4= Positive diffraction pattern progenies 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 i B C M >5u 4= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile 1 AMPHIBOLES Amphibole F = Single Fiber Amosite S = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_002994045

NYC-WTC_000206635