NYC-WTC_000226404

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client 'N utile: NYi IDE \oiul'ne (liters'): 1840 Lal! (ii 'i Filter Type Filter Area: MCE 385 mm- Lab Sai Grid Opening Size: 0.01124 Client '• uiiiDiu 3: Area Examined: 0.04496 mm^ GRID BOX: _______ Magnification: 20,000 GRlDJiii ^±231^ Accelerating Voltage: 100 KeV # C rid t ipenings: 4 Analysis Date: 1/27/02

Analysis Performcci By: ROMAN PEYSAKHOV

GO, Structure Structure Type : Length ID of Structure Nor V EDS (Nonadb No M : >=05 4 i >=5p i Chrys ' ' Amptiiboie ' Nonasb Ambig/ND Ng ( I■'B'x <5u Elements)

TM f

5N - - -

Strucl - : I Aspect Ratio Grid acceptance:

Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboraiory meniification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p 'J- EDS spe-t'uip conforming to laboraterv holes or opaque areas idenlificatioi' e nena observed I Cbiysotilc AMPHIBOLES I Anipliibole F = Single ' Amosite B = Sunole ■ S ’mers <1 fiber diameier apart Crocidolite I Ambiguous C = Cluster .lerseciions) Anthophyllite i Non-Asbestos Tremolite M = Matrix ' Non-ldentified Actinolite NSD - No '.!!■■ .o' lres Deiecteo

CITY_21MC100_002922440

NYC-WTC_000226404