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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_000104522
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I TE! I Asbestos (air) Count Sheet I Client Name: Lab Group #: ATC 6217 Volume (liters): 1545 Filter Type! Filter Area: NICE 85 mm= Grid Opening Size: 0.01124 I Lab Sample #: Client Sample #: = 005 Area Examined: 0.0562 mm' GRID BOX: Magnification: 20.000 I GRID ID: # Grid Openings: 5 Accelerating Voltage: Analysis Date: 100 Ke`' 12,28;01

I Analysis Performed By: l~` J MARK PEYSAKHOV

I GO Structure No Structure Type F I B C M >=05 u Length j iD of Structure Amphibole N or v EDS (Nonadb r_ 5N Chrys p Nonasb Ambi9/ND No Coord <Sr I Elements)

3 -- c_

I i I

I i I I

J ' I

I I I I I I I ! I

1 ~nrucr = 0.Sµ > 5: 1 .Aspect Ratio v = °osdtve diffraction pattern properties conforming to Gnd acceptance: <50% undissolved filter, ovenapped or folded Totals iaooratory ioertificanon critena coservea <10% particulate coverage >50% coverage ate

I v= EDS spectrum conforming to laboratory identification cntena ooserveo least 20 unfotdeo or overlapped grid squares <5°. holes or opaque areas Chrysonle F j B C I NI >Su

AMPHIBOLES Amphibole l F = Single Fiber Amosite B = Bunole 1<3 fibers <1 fiber diameter apart Crocidolite Ambis_guous = Cluster i>3 iniersectionsi Anthophyllite Non-Asbestos Tremolite M = Matnx Non-Identified Actinolite NSD = No Structures Detectea I

NYC-WTC 000104522

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NYC-WTC_000104522Source: NYC Law Department, mirrored locally

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