Cover letter from Ambient Group Inc dated Sep 28, 2001, summarizing an indoor environmental quality survey performed on Sep 26.
NYC-WTC_000097799–000097812Folder label: “1 NORTH END AVENUE Block: 16 Lot: 225 BIN: 1085502 4 River Terrace, 60 Vesey Street”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ambient group 9nc. NATIONAL HEADQUARTERS
Indoor environmental quality surveys 55 WEST 39n STREET I21,1 FLOOR Water treatment consulting NEW YORK, NEW YORK IOO18 Asbestos & lead field services TEL: (212)463-7812 Regulatory compliance programs FAX (212) 463-9397 Air, water & soil analytical laboratories WEB: WWW.AMBIENTGROUP.COM
September 28, 2001
Mr. Elliot Zuckerman Cushman & Wakefield a/a/f Mercantile Exchange One North End Avenue New York, New York 10282
Re: One North End Avenue Ambient Project # 211338 C
Dear Mr. Zuckermen:
The following is a summary of the indoor environmental quality survey that Ambient Group, Inc. performed on September 26th, 2001 at the above referenced location. The survey included air sample collection for TEM analysis and airborne dust characterization.
Seven (7) air samples were collected from various locations on floors 3, 7, 12, 14, 15, lobby and outside the building and analyzed by transmission electron microscopy (TEM) for asbestos structures. The results of the analysis indicated that airborne asbestos levels at the time of testing were less than the analytical sensitivity of the instrument, as well as well below the EPA standard of 70 structures/mm2 and other recommended industry guidelines and/or regulations.
Seven (7) air samples were collected from floors 3, 7, 12, 14, 15, lobby and from outside the building and analyzed for dust characterization. The samples were composed primarily of gravel road dust, carbon particles, fungal spores, cement dust and other constituents commonly found in New York office buildings' dust. From our sample results collected inside and outside the building, we have identified nothing which would restrict normal occupancy of the building. All indoor fungal spore concentrations were below the outside air levels. Additionally, no asbestos was detected in the air samples.
Should you have any questions regarding this information, please feel free to call me.
Sincerely, Signed for Ambient Group, Inc. by:
A <1 f• v'~Z~'( John P. Springston, CIH, CSP Director of Field Operations
GLEN COVE, NY MIAMI, FL CHICAGO, IL ORANGE, CA 516 6o9-0009 305 86o-oiol 312 527-5526 714 282-2525
NYC-WTC 000097799
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NYC-WTC_000097632
Fax cover sheet from Ambient Group dated December 13, 2001 regarding indoor environmental quality surveys.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.941
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Header page of a laboratory report detailing indoor air and surface sampling for asbestos and lead.
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Letter from Ambient Group dated December 7, 2001 summarizing an indoor environmental quality survey.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.927
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097554
Fax cover sheet from Ambient Group dated October 25, 2001 regarding indoor environmental quality surveys.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.926
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000097770
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5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.925
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000095947
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3 shared non-person entities · 1 shared topics · similarity 0.948
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Chain of custody document from Ambient Group for indoor environmental quality survey samples collected at 22 Thames Street on October 7, 2001.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000124902
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6 shared non-person entities · 1 shared topics · similarity 0.921
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