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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

Page image
Scanned page image, NYC-WTC_000104505
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I TEM Asbestos (air) Count Sheet C Client Name: Lab Group #: ATC 6087 Volume (liters): Filter Type / Filter Area: 1300 NICE 385 mm~ Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample#: 5 Area Examined: 0.06744 mm=

GRID BOX: 5' Magnification: 20,000 GRID ID: ,1 "~ -- Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 12,-13,'01

Analysis Performed By: 1QAD MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or y EDS (Nonaeb No F B C M >o5 u >=5N ChryS Amphibole Nonasb Ambig/ND No Coord <5N Elements)

2- ti

I I ~ I j

' I I

I I i I

I I I I 7 I

I S truct => O.5µ > 5. 1 Aspect Ratio Gnd acceptance: v= °ositive diffraction pattern properties conforming :o <50% undissolved filter, overlapped or folded Totals laboratory identification cntena observed <10% particulate coverage >50% coverage ate least 20 unfolded or ovenapped gnd squares <5% C M >5u v= EDS spectrum conforming to laboratory F I B I identification criteria observed holes or opaque areas Clnysotile AMPHIBOLES Amphibole F' Single Fiber Amosite Ambiguous — r I B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Anthophyllite C = Custer (>3 Intersections) Non-Asbestos Tremoilte M = Matnx ,von-tdentitied Actfnoute NSD = No Structures Detected I NYC-WTC 000104505

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NYC-WTC_000104505Source: NYC Law Department, mirrored locally

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