NYC-WTC_000196848

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 9210 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 16 Grid Opening Size: 0 01124

Client Sample #: 18 Area Examined: 0 04496 mm-

GRIP BOX: Magnification: 20,000 GRID ID: Accelerating_yol!3ge2 100 KeV # Grid Openings: 4 Analysis Date: 12/26/200

Analysis Performed By: MARK PEYSAKIIOV

GO Structure Structure Type Length ID of Structure Nor/ EDS No Amphibole Nonasb Ambig/NO (Nonadb F B C M >=5|j Chrys No Coord <5m Elements)

Si o A

I T T+ I

i S........... 1 II ■' Hhoto No (from 1 in b asbestos containing samples) Gnd acceptance Struct = > 0 5p >51 Aspect Ratio <50% undissolved filter, overlapped or folded Totals V - Positive diffraction pattern properties conforming to ■ <10% particulate coverage >50% coverage ate iaooratory identification cntena obsenzed 'east 20 unfolaed or oveilapped gnd squares >5u . <5% holes or opaque areas F B C \i= EDS spectnim conforming to laborator/ Identification cntena observed Chrysotile AMPHIBOLES! Amphibole F = Single -iber Amosite 3 = 3undle (<3 fibers <1 fiber diameter aoan Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Tremolite Non-Asbestos M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_003043186

NYC-WTC_000196848