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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_000102809
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet ('lient Name: ATC Volume (liters): 1300 I.ab Group #: 5933 Filter Type / Filter Area: MCE 385 mm- I.ab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: T-05 - Area Examined: 0.06744 mm2 (;RI) BOX: ,TV A) Magnification: 20,000 (; RID ID: Accelerating Voltage: 100 KeV KGrid Openings: Analysis Date: 11/20/01

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or EDS No F B C M >=05 p >=5p Chrys Amphibole Nonasb AmbiglND (Nonadb No Coord <5u Elements) A? va

Gl

r

s ri ,

_r' c

;truct => 0.5µ > 5.1 Aspect Ratio Grid acceptance: r - Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals .iuoratory 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 >5i. cientification criteria observed Chrysotile AMPHIBOLES ,. - Single Fiber Amphibole Amosite Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous Cluster (>3 Intersections) Anthophyllite Non-Asbestos 'A = Matrix Tremolite Actinolile Non-Identified vSD = No Structures Detected

NYC-WTC 000102809

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NYC-WTC_000102809Source: NYC Law Department, mirrored locally

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