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← Document results/DEP Box 36/105 DUANE ST 1001650, 151/1
Document / 231 pages

Ambient air sampling report Book Two for 105 Duane Street,

Machine-extracted title · confidence 98%

Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.

NYC-WTC_000104321–000104551

Folder label: “105 DUANE ST 1001650, 151/1

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Scanned page image, NYC-WTC_000104531
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

[1 TE1'I Asbestos (air) Count Sheet Client dame: ATC El Volume (liters): 1925 1 Lab Group #: 6226 Filter Type / Filter Area: MCE 385

I Lab Sample #: Client Sample #: 3 005 Grid Opening Size: Area Examined: 0.01 124 0.04496 mm: GRID BOX: - - Magnification: 20,000 , /', El GRID ID: t~l,~ Accelerating Voltage: 100 KeV Grid Openings: 4 Analysis Date: 12/30/01

I Analysis Performed By: ROMAN PEYSAKHOV

El GO. Structure Structure Type Length 1 ID of Structure N or v EDS (Nonaot No F B C M >=05 P >=5 N Chrys Amphiboie Nonasb AmoiglNo No Coord <5u Eiements ( Z

Z c l

I I ! I ' i I

I I I I I j I I i I I I I i I I I I j 1 I I

I I I I 1 i

! I 1 I I

I Struct = > U.5µ > 5: 1 Aspect Ratio `1= Positive diffraction oattem properties conforming to Grid acceptance: <50% undissolved filter. overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

I ,1= EQS spectrum conforming to laboratory dennfication criteria observed least 20 unfolded or overlapped grid sduares <5% holes or opaque areas Chrvsotiie F B C it -5L

AMPHIBOLES I Amphiboie I = Single Fiber 8 = Bundle i <3 fibers <1 fiber diameter apart C = Cluster (>3 intersectionsi Amosite Croctdolite Anthophyllite Ambiguous

M = Matrix Tremotite

I NSD = No Ctrue:ures Detected Actinolite Non-Identined

NYC-WTC 000104531

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NYC-WTC_000104531Source: NYC Law Department, mirrored locally

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