NYC-WTC_000102767
Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.
22 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗Document / 345 pages
Air sampling summary letter, 225 Rector Place, Jan 2002
Machine-extracted title · confidence 95%Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
NYC-WTC_000123875–000124219Folder label: “225 RECTOR PLACE Block: 16 Lot: 70 BIN: 1000053 210 SOUTH END AVENUE”
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OCR text
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NYC 9/11 Public Portal Document
v Project Memorandum ASSOCIATES INC.
Subject: 225 Rector Place Re: Ambient Air Sampling To: Peter Hoyle Related Management From: Fred Burkhardt Date: October 23, 2001
the Attached please find the Air Monitoring Data and Chain of Custody Forms (30 pages) for and analyzed by phase contrast microscopy ambient air samples collected by ATC Associates each floor (PCM). Samples were collected from two hallway locations and three apartments on table. of 225 Rector Place. Apartments sampled are identified in the following .
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Penthouse 11 23 10 22 9
I______ 21
12 Basement However, particulate All areas sampled recorded fiber levels less than or equal to 0.01 f/cc. matter raised by HEPA vacuuming activities obscured the initial analysis of the samples apartment 7K. On 9-24-01 following collected from the north side of the 15th and 2"d floors and with all six samples recording HEPA cleaning the 15th and 2"d floor hallways were re-tested apartment was re- levels less than 0.01 f/cc. Following HEPA vacuuming of apartment 7K, the samples collected tested recording a fiber level less than 0.01 f/cc, consistent with the other four from the seventh floor and does not present an issue at this time. concentrations below the NYC In conclusion, based upon the analytical results recording fiber acceptable airborne clearance requirement following an abatement action, It Is ATC's opinion building meet an acceptable criterion for that the ambient air samples collected throughout the of the information additional explaination re-occupancy. If you have any questions or require presented please do not hesitate to call me at 212-353-8280.
Thank You.
NYC-WTC 000124060
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NYC-WTC_000124060Source: NYC Law Department, mirrored locally
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000096419
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22 shared non-person entities · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107625
Chain-of-custody form containing transmission electron microscopy results for asbestos fiber analysis at a DEP cleanup project dated September 2002.
13 shared non-person entities · similarity 0.965
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
24 shared non-person entities · 1 shared topics · similarity 0.963
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- 225 Rector Place · 338 pages · confidence 0.95 · verify page 1
- 225 Rector Street · 7 pages · confidence 0.55 · verify page 123
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