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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_000104449
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I TEST Asbestos (air) Count Sheet Client Name: I ATC Volume (liters): 1300 Lab Group #: 5954 Filter Type ! Filter Area: NICE 385 mm= Lab Sample #: 9 Grid Opening Size: 0.0112.4 I Client Sample #: 9 Area Examined: 0.06744 mm= GRID BOX: __ZI Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 1123/01

I Analysis Performed By: ROMAN PEYSAKHOV

I GC. Structure Structure Type Length ID of Structure N or v EDS (Nonadb No F B C M > 05 u > = 5N Chrys Amphibole Nonaso Ambig/ND No Coord N Elements)

_

II I ~ I

____ ________±______

I ____ " H______________

I I ~ I I I I !

I

I

Struct = > 0.5 u > 5. 1 Aspect Ratio Gnd acceptance: , r= Positive diffraction pattern prooerties conforming to c50% undissolved filter, ovenapped or folded Totals identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B ! C M >5u i= EDS spectrum conforming to laboratory laboratory holes or opaque areas identification criteria observed _ Chrvsotile AMPHIBOLES Amphibole F = Single Fiber Amosite 9 = 9undle (<3 fibers <' Tiber Diameter apart Crocidolite Ambiguous C = Cluster '3 Intersecnonsl Anthoonyllite Non-Asbestos i M =Matrix von-Identified i Actinolite NSC = No Structures uetectea

NYC-WTC 000104449

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NYC-WTC_000104449Source: NYC Law Department, mirrored locally

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