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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_000104503
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I TEi Asbestos (air) Count Sheet I Client Name: Lab Group #: ATC 6087 Volume (liters): Filter Type / Filter Area: 1300 NICE 3S mm= Grid Opening Size: 0.01124 I Lab Sample #: Client Sample #: 3 3 Area Examined: 0.067-14 mtn=

GRID BOX: 6 Magnification: 20,000 1 GRID ID: # Grid Openings: 6 c - Accelerating Voltage: Analysis Date: 100 Key 12/13/01

1 Analysis Performed By: I~sl~ MARK PEYSAKHOV

I G0. Structure ! Structure Type 1 No F 8 C M ><55 µ Length ID of Structure Amphibole Nonaso N or AmoigiND I EDS (Nonaab >=5p Chrys No Coord Lt n s)

3 u I T ! j Pz / I

j j i i i I I ~

I I j I Li i I I i i I I

I I i I I I I Li Struct = > 0.5 µ > 5: 1 Aspect Ratio Grid acceptance: v = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

I v= EDS spectrum conforming to laboratory identification cntena observed least 20 unfolded or overlapped grid squares <5% holes or opaque areas ! Chr✓sotile ! F B I C iNI >5u

AMPHIBOLES Amphibole

I F = Single Fiber 8 = Bundle t<„ fibers <1 fiber diameter apart C = Cluster (>3 intersectionsi Amosite Croadolite Anthophyilite Ambiguous Non-Asbestos j M = Matrix Tremolite

I Actinolite Non-Identified NSD = No Struc:ures Detected

NYC-WTC 000104503

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NYC-WTC_000104503Source: NYC Law Department, mirrored locally

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