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← Document results/DEP Box 36/400 CHAMBERS STREET Block: 16 Lot: 200 BIN: 1085774 Tribeca Park, 34 River Terrace
Document / 109 pages

Air sampling summary report, 400 Chambers Street, 2002

Machine-extracted title · confidence 90%

Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.

NYC-WTC_000102767–000102875

Folder label: “400 CHAMBERS STREET Block: 16 Lot: 200 BIN: 1085774 Tribeca Park, 34 River Terrace”

Page image
Scanned page image, NYC-WTC_000102825
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: ATC Volume (liters): 1300 Lab Group #: 5992 Filter Type / Filter Area: MCE 385 mm2 Lab Sample #: 5 Grid Opening Size: 0.01124 Client Sample #: 7 Area Examined: 0.06744 mm- GRID BOX: .5 5' 3 Magnification: 20,000 GRID ID: Accelerating Voltage• 100 KeV # Grid Openings: 6 Analysis Date: 11/29/01

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS No F B C M >=05 N >=5N Chrys Amphibole Nonasb Ambig/ND (Nonadb No Coord <5µ Elements)

. F/ —-- __s — _--

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ou uci = l v.jµ -- >: i respect Kano Gntt acceptance: '= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% ~= EDS spectrum conforming to laboratory holes or opaque areas F B C M >5p identification criteria observed Chrysotile AMPHIBOLES F = Single Fiber Amphibole Amosite 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite NSD = No Structures Detected Actinolite Non- Identified

NYC-WTC 000102825

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NYC-WTC_000102825Source: NYC Law Department, mirrored locally

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