NYC-WTC_000210628

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 5901 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 16 Grid Opening Size: 0.01124 Client Sample #: 16 - Area Examined: 0.06744 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 11/16/01

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Norv EDS I No >=05 p Amphibole Nonasb Ambig/ND (Nonadb | F B C M Chrys Elements) No Coord <5p e» I .tQz.

q /V3

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance. 'J = Positive diffraction pattern properties conforming to undissotved filter, overlapped or folded Totals laboratory lOenhtication cntena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5m 'J= EDS spectrum conforming to laboratory holes or opaque areas idenblication cntena observed Chrysotile AMPHIBOLES '' Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Croadolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite । M = Matnx Non-Identified Actinolite NSD = No Structures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000002674

NYC-WTC_000210628