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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_000104529
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I TEvI Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1770 Lab Group #: 6226 Filter Type / Filter Area: MCE 38= rrnr Lab Sample #: 1 Grid Opening Size: 0.01124

Client Sample #: 003 Area Examined: 0.04496 mm=

GRID BOX: L/ Magnification: 20.000 GRID ID: 3 4/13 Accelerating Voltage: 100 Key' # Grid Openings: 4 Analysis Date: 12,30/01

I Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length IC of Structure N or v BCE (Nonaab No F B C M >=05 N >=5p Chrys Amphibole Nonaso AmbiglNO No Coord I <5u =_iements)

~1 I

I I I i

I I i l i I I I j I l

I I I I I I i I

I I I I I I Struct = > U.5u 5 1 Aspect Ratio q= Positive diffraction pattern properties conforming to Gnd acceptance. <50% undissolved filter, overlapped or folded Totals aooratory :dennfication criteria ooserveo <10% particulate coverage >50% coverage ate

I = EDS spectrum conforming to iaooratory identification criteria ooserveo least 20 unfolded or overlapped grid squares <5% holes or opaque areas Chrysotile F B C vl >5u

AMPHIBOLES

I = Single Fiber B = Bunole i<3 fibers <1 fiber diameter apart C = Cluster I>3 Intersections) Amosite Crocidolite Anthophyllite Tremolite .-amphibole Ambiguous Non-Asbestos M = Matrix

LII NED = Na Structures Detected Actinolite __ _ ... I Non-identified i_ -

NYC-WTC 000104529

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NYC-WTC_000104529Source: NYC Law Department, mirrored locally

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