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← Document results/DEP Box 36/40 FULTON STREET Block: 107618
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Administrative header for 40 Fulton Street records, 2002

Machine-extracted title · confidence 75%

Document header identifying the folder contents related to environmental inspections at 40 Fulton Street.

NYC-WTC_000104572–000104574

Folder label: “40 FULTON STREET Block: 107618

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NYC 9/11 Public Portal Document

ambient group inc. 55 WEST 39n1 STREET Indoor environmental quality surveys 12r, FLOOR Water treatment consulting NEW YORK, NEW YORK 1oo18 Asbestos ft lead field services TEL: (212) 944-4615 Regulatory compliance programs FAX: (212) 944-4618 Air, water ft soil analytical laboratories WEB: WWW.AMBIENTGROUP.COM

March 25, 2002

R. Radhakrishnan, P.E. Director, Asbestos Control Program New York City Department of Environmental Protection 59-17 Junction Boulevard Corona, NY 1 1368

Re: 40 Fulton Street

Gentlemen:

In response to your request of February 15, 2002 for information regarding any environmental hazard assessment(s), subsequent remediation, and air monitoring, the following information is provided. Ambient Group, Inc. was retained by Vornado Realty to perform an assessment of the building following the collapse of the World Trade Centers. The initial survey was performed on September 15, 2001 and included airborne dust characterization and analysis of settled and bulk dust samples for the presence of asbestos.

Settled dust samples were collected from various locations on floors 6, 11, 20, 26, and 29 and analyzed for the absence/presence of asbestos. No asbestos was detected in any of the samples. Bulk samples were also collected of debris from the roof of the building, the air filter on the 29t1i floor HVAC unit, and from the central staircase on the 17th floor, and analyzed for the absence/presence of asbestos. Trace (<1%) amounts of asbestos were detected in the sample from the 17th floor, and no asbestos was detected in the fan unit filter material. Analysis of the debris on the roof revealed that greater than 1% of asbestos was present. Based upon our recommendations, the building subsequently washed down the affected areas thereby eliminating the debris from those locations.

Air samples were collected from various locations on floors I, 6, 1 1, 17 and 28 and analyzed for dust characterization. The samples were composed primarily of gravel road dust, carbon particles, cement dust, fungal spores and skin fragments. In addition, no asbestos was detected in any of the air samples.

Finally, Ambient Group, Inc. continues to perform air quality testing at this building, on a monthly basis and all results have thus far been found to be within any applicable guidelines. If you have any questions regarding this information, do not hesitate to contact our office.

Sincerely. • Signed for j mbient Group, Inc. by:

GLEN COVE, NY MIAMI, FL CHICAGO, IL ORANGE, CA

516 609-0009 305 86o-oioi 312 527-55 26 714 282-2525

\\AMBIENTSVR3\IEQ DEPTA\2002\Investigations\Vornado DEL' I etter.doc

NYC-WTC 000104573

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NYC-WTC_000104573Source: NYC Law Department, mirrored locally

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