TEM Asbestos air count sheet, NYC BOE, Apr 25 2002

NYC 9/11 Public Portal Document

lEM Asbestos (air) Count SI t

Client Name: NYC BOI XlL li If (liters): 1816 Lab Group #: 7539 Eilter Type / 9 iitt r .Area: MCE 385 Lab Sample #: 16 Grid O .) nitig Size: 0.01124 Client Sample #: 19 Aie:i 1 xainiiied: 0.04496 mm^

GRID BOX: . Ikarion: 20,000 GRID ID: A'-Cele? : 'Oltage: 100 KeV # Grid Openings: 4 /- 12-1 late: 4/25/02

Analy.sis Pe.i formed By: MARK PE't S.yKHOV

GO. Structure Strucure Type Length rt N n: 9 EDS -a a;E~ Ambig/ND (Nonadb No 'i C '"m" >=05ij Chrys Elements) No Coord ______.___ J__

m

Struct = >0.5p >5:1 Aspect Tutu And acceptance:

9= Positive diffraction pattern prepe: :ss c; ‘ dd b undissolved filie- ■- .(mpedorloided Totals - '. ”o particulate cevt: KI- % coverage ale laboratory identification criteria obser ec leas: 20 unfolded or overapn* d grid squares <5% F B C M >5p 9= EDS spectrum conforming to lac rato; hdiss or ppaaue areas identification criteria observed AMPHIBOLIC F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber dianiei ir apa: Crocidolite C = Cluster (>3 Intersections) Anthophyllite Tremolite M = Matrix Actinolite NSO = No Structures Detected

CITY_21MC100_003102074

NYC-WTC_000183076