NYC 9/11 Public Portal Document
NOV-21-01 WED 02:50 PM AMBIENT GROUP INC FAX NO, 212 166 lb40 F. U?/U8
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November 21, 2001
Mr. Elliot Zuckerman
Cushman-& Wakefield
a/a/f Mercantile Exchange
One North End Avenue
New York, New York 10282
Ile: One North End Avenue
Ambient Project # 211338
Dear Mr. Zuckerman:
The following is a summary of the
indoor environmental quality survey that
performed on November 15, 2001 at One North Ambient Group, Inc.
End Avenue. The survey included
metals, polynucicar aromatic hydrocarbons sampling for airborne
and airborne asbestos structures by TEM.
Four (4) air samples were collected from
various locations on floors 2, 3, 7 and 10
transmission electron microscopy (TEM) for asbestos and analyzed by
airborne asbestos levels at the time of testing structures. The results of thu analysis
were less than the analytical sensitivity indicated that
which is well below the EPA standard of of the instrument,
70 stiuctures/mnz2 as well as other
guidelines and/or regulations. recommended industry
Four (4) air samples were collected from
floors 2, 3, 7 and 10 and analyzed for
hydrocarbons in air. Analysis or all four (4) polynucicar aromatic
samples Collected revealed that the levels
compounds were below the OSHA Permissible of the individual
Exposure Limits and NIOSII REL
guidelines.
Four (4) air samples were collected from
floors 2, 3, 7 and 10 and analyzed for
silica). All measured metals revealed metals in air (including
icve]s well below their respective OSHA
I'EI.s and NIOSII RLi,s.
Please refer to attached laboratory data for
further details. Should you have any questions
information, please feel free to call me. regarding this
Sincerely,
igned for Ambient Group, Inc. by:
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John J. l incr
Vice President
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11/21/01 WED 14:53 [TX/RI NO 8567]
NYC-WTC 000097692
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