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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_000104443
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

TEi 'I Asbestos (air) Count Sheet Client dame: ATC I 5954 Volume (liters): 1300 Lab Group #: Filter Type / Filter Area: DICE 385 mm- Lab Sample #: 3 Grid Opening Size: 0.01124 I Client Sample #: 3 Area Examined: 0,06744 mm= GRID BOX: Magnification: I GRID ID: ~-~~— # Grid Openings: 6 Accelerating Voltage: Analysis Date: 20,000 100 KeV 11/23/01

I Analysis Performed By: ROMAN PEYSAKHOV

I GO. Structure Structure Type Length ID of Structure N or v AmoigIND EDS (Nonadb No F 8 C M i >=05 a >=5N Chrys Amphibole Nonasb No Coord <5f, Eiements)

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Struct = > 0.5 u > 5 1 Aspect Ratio Grid acceptance: v= Positive liffraction pattern arooerttes conforming to <50% undissoived filter, overlapped or folded Totals laboratory ioentificanonpcriteria ooserveo <10% particulate coverage >50% coverage ate least 20 unfolded or overtaPPed grid squares <5% F B C N'! >5u v=EDS spectrum conforming to laooratory holes or opaque areas I dentfication cntena ooserved Chrvsotile AMPHIBOLES Amphibole j L Single Fiber Amosite y PB = Bunole i<3 fibers <1 fiber diameter apart Croctoolite Ambiguous C = Cluster! >3 Intersectional Anthopnyilite Non-Asbestos Tremolite M = Matrix Actinolite Non-Idenuried NSD = No Structures Detected

NYC-WTC 000104443

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NYC-WTC_000104443Source: NYC Law Department, mirrored locally

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