NYC Law Department release
Independent mirror · updated as the City releases more · v1.3.3
☕ Buy me a coffee
← 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_000102808
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: RTC Volume (liters): 1300 Lab Group #: 5933 Filter Type / Filter Area: MCE 385 mm2 1 Grid Opening Size: 0.01124 Lab Sample #: Area Examined: 0.06744 mm2 Client Sample #: T-04 - Magnification: 20,000 GRID BOX: ,RID ID: Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 11/20/01

Analysis Performed By: (/ ROMAN PEYSAKHOV

Structure Type Length ID of Structure Nor EDS GO. Structure (Nonadb No F B C M >=05 N ChryS Amphibole Nonasb Ambig/ND >=5N Elements) No Coord <5N

_zPi tf

r/

Siruct => 0.5µ > 5:1 Aspect Ratio Grid acceptance: <50% undissolved filter, overlapped or folded Totals = Positive diffraction pattern properties conforming to coverage >50% coverage ate v

Laboratory identification criteria observed <10% particulate least 20 unfolded or overlapped grid squares <5% F B C M 'Si.' v= EDS spectrum conforming to laboratory holes or opaque areas nentification criteria observed Chtysotile AMPHIBOLES Amphibole c = Single Fiber Amosite Ambiguous B . Bundle (<3 fibers <1 fiber diameter apart Crocidolite = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M =Matrix Actinolite Non-Identified NSD = No Structures Detectea

NYC-WTC 000102808

OCR can misread numbers and units. Confirm readings against the page image before using them.

NYC-WTC_000102808Source: NYC Law Department, mirrored locally

Related records

Browse subjects →

Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.

Same-box records

Filed elsewhere

More like this page

Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.

Buildings in this record

Machine-extracted building matches; verify each source. Buildings, never households.

Others also read

Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.

Compare copies and versions →