NYC-WTC_000203490

NYC 9/11 Public Portal Document

TEMAsbestosfair) Count Sheet Client Name: NYC BOE Volume (liters): 1944 Lab Group 9204 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: 3 Area Examined: 0 04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/23/200

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Nor 'J EDS No (Nonadb F B C M >=05 u >=5(j Chrys Amphibole Nonasb Ambigi'ND No Coord <S1J Elements)

u G

1 _____ I,

i !

Ahoio No (trom 1 in o asoestos containing samp es) Gnd acceptance Strict = > 0 5u >51 Aspect Ratio <50% undissolved filter, oveiiapoeo or folded Totals Positive diffracaon pattern properties conforming to <10% particulate coverage >50% coverage ate laboraiory identification cntena observed least 20 unfolded or overlapped grid squares >5p ! <5% holes or opaque areas F B C \= EDS spectrum coniorming to laboratory I identification cntena ooserved Chrysotile I ! amphiboles! Amphibole I F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite ■ Ambiguous C = Cluster (>3 Intersections) Anthophyllite Tremolite Non-Asbestos M = Matrix Actinolite Non-Identified NSD = No Struciures Detected

CITY_21MC100_003058249

NYC-WTC_000203490