NYC-WTC_000212581

NYC 9/11 Public Portal Document

TEMAsbestosJairlCount Sheet ( lient Name: _ NyC BOE Volume (liters): 1920 Lab Group tt: 7808 Filter Type / Filter Area: MCE 385 mm^ Lab Sample Grid Opening Size: 0.01124

C lient Sample #: 02 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating V'oltage: too KeV fr Grid Openings: 4 Analysis Date: 5/21/02

Analysis Performed By: ROMAN PEYSAKHOV

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

sf r

i

Struct = > 0.5p > 5:! Aspect Ratio Grid acceptance: 'I - Positive diffraction pattern properties conforming to <50% undissotved filter, overlapped or folded Totals l.rboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5tJ '1= EDS spectrum conforming to laboratory holes or opaque areas identification critena observed Chrysotile AMPHIBOLES Amphibole ? = Single Fiber Amosite E! = Bundle (<3 fibers <1 fiber dia meter apart Crocidolite Ambiguous 2 = Cluster i>3 Intersections) Anthophyllite Non-Asbestos Tremolite - Matrix Non-Identifled Actinolite USD = No Structures Detected

CITY_21MC100_002867265

NYC-WTC_000212581