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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_000104446
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I TEM Asbestos (air) Count Sheet I Client Name: Lab Group #: ATC 5954 Volume (liters): Filter Tvpe / Filter Area: 1300 NICE 385 mmc

I Lab Sample #; Client Sample #: 6 6 Grid Opening Size: Area Examined: 0.01 12.4 0.06744 mm= Magnification: I GRID BOX: GRID ID: SG Accelerating Voltage: 20.000 100 KeV # Grid Openings: 6 Analysis Date: 11,23/01

Li Analysis Performed By: ROMAN PEYSAKHOV I GO i Structure Structure Type ! Length ID of Structure N or v EDS (Nona lemen b No F B C M '=05 p >=5 Chr/ 5 Amphibole Nonasb Amoi9/ND No

I =s' Coord I J iifii <5u Elements )

1€ I I I

I I I I I iII! I Struct = U.Su > 5 1 Aspect Ratio Gnd acceptance: <509'o undissolved filter, overlapped or folded Totals v= Positive diffraction pattern prooemes conforming to <10% particulate coverage >50% coverage ate

I acoratory identification criteria ooservea v=

EDS spectrum conforming to iaooratory dentification criteria coserved least 20 unfolded or overlapped grid squares <5% holes or opaque areas Cliysotile F B C Nl 'SN

AMPHIBOLES Amphibole I F = Single Fiber E = Eunele i<3 fibers fiber diameter apart = Cluster >3 Intersecuonsl Amosite Crocioolite Anthophyllite j ambiguous Non-Asbestos Tremolite

I M = Mann VSC = vo Structures Cetectea Ac:inolite 1 Non-Identified

NYC-WTC 000104446

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NYC-WTC_000104446Source: NYC Law Department, mirrored locally

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