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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_000104521
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 6217 Volume (liters): Filter Type! Filter Area: 1680 MCE 385 mn; Grid Opening Size: I Lab Sample #: Client Sample #: 2 004 Area Examined: 0.01124 0.0562 mm= GRID BOX: Magnification: 20,000 I GRID ID: # Grid Openings: 5 Accelerating Voltage: Analysis Date: 100 KeV 12/28,01

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or EDS

No Coord No F B C M >=0uu >=5p Chrys Amphibole Nonaso Ambig/ND (Nonad Ementsi

II I i I I I I I I I

I I I ! I I I

Jill I I

I I Li I I

I I I I I I I I ! I Struct = % U.5µ > 5: 1 Aspect Ratio Gnd acceptance:

v- pdsdive diffraction pattern properties conforming to <50% undissolved filter, overlapped or forded Totals lacoratory identification cntena ooserveo <10% particulate coverage >50% coverage ate

I ,i= EDS spectrum contorming to laooratory identification criteria observed least 20 unfolded or overlapped gnc squares <5% holes or opaque areas Chiysotile F B C M 5u

AMPHIBOLES Amphibole I F = Single Fiber B = Bundle (<3 fibers <t tiber diameter apart = Cluster (>3 Intersections) Arnosite Croctdolite Anthopnyllite Ambiguous Non-Asbestos Tremolite M = Matnx

I NSD = No Structures Detected Actinolite Non-Identified

NYC-WTC 000104521

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NYC-WTC_000104521Source: NYC Law Department, mirrored locally

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