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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_000104533
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

1 TEM Asbestos (air) Count Sheet I Client Name: Lab Group 4: ATC 622b Volume (liters): Filter Type i Filter Area: 1-15 NICE 3. 5 m:-

I Lab Sample #: Client Sample #: 5

007 Grid Opening Size: Area Examined: 0.01124 0.04496 mm= Magnification: I GRID BOX: ~ ,0,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 s Analysis Date: 12, 30/0I

I Analysis Performed By: `- ROMAN PEYSAKHOV

GO. I Structure Structure Type Length .D of Structure N or J ECS No F B C M amohiboie Nonasb (Nonacb '=05 N > 5p Chrys I Amoig/ND 'No Coord <5p I I Elements:

I ~ i I I /I

Li I I I I I

I I

I I I I

i I I

~ I I I

I ~

I I

Li I Struct = > U.5µ > 5: 1 Aspect Ratio v= Positive diffraction oattem orooenies conforming to Grid acceptance: <50% undissolved filter. ovenapped orfoideo Totals laooratory iaennficanon criteria observeo <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gno squares <5% F B C >u ECS spectrum conforming to laooratory NI holes or opaque areas icertification cntena observeo Chrvsotile .A.VIPHIBOLES

I .Amphibole F = Single Fiber Amosrte B = Bungle I<,} fibers <1 fiber aiameter scan C ocaotite Ambiguous = Custer n Intersections) Anthoohvllite Non-Asbestos Tremolite

I M = Matrix Actinolite Non-1(lentified NSD = No Structures Detec:ea

NYC-WTC 000104533

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NYC-WTC_000104533Source: NYC Law Department, mirrored locally

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