NYC-WTC_000227357

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NN’C BOE Volume (liters): 1824 Lab Group : 7124 Filter Type / Filter Area: MCE 385 mm* Lab Sample 6 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0 04496 rnm-

GRID BOX: 1V£ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/18-02

Analvsis Performed Bv: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or \ EDS No ' Amphibole I Nonasb I AmaigiMC iNonado F B C >=05 u Chrys No Coord <5u Elements)

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Struct = ■ 0 5u ’51 Aspect Ratio Gnd acceptance

'r = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals aporatofv identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% I F B : C M = eOS spectrum conforming to laporatory holes or opaque areas t oentificaiion critena otserveO Chrysotile ' AMPHIBOLES Amphibole I - = S.ngie ^der Amosite : = bundle <3 'ibers<1 fiber diameter apart Crocidolite Ambiguous ' ; ' 3 = Duster,>3 intersections' Anthophyllite Non-Asbestos ■ Tremolite M = '.latr A Non-ldentified Actinolite 'iSD = NO Structures Detected

CITY_21MC1OO_OO2898696

NYC-WTC_000227357