NYC-WTC_000206164

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Warren & Panzer Volume (liters): 1500 Lab Group #: 8215 Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 5 Grid Opening Size: 0.01124 Client Sample #: JB62102-5 Area Examined: 0.0562 mm"

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

Analysis Performed By: MARKPEYSAKHOV

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

_____ C? Xrr-'r--

Struct = >0.5p >5:1 Aspect Ratio Grid acceptance: 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 >5|j -t- 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

CITY_21MC100_002993092

NYC-WTC_000206164