NYC 9/11 Public Portal Document
nuV — ci7— U1 rlcl uo:3J rrl HrlbitNl f.7liuur INU rHMS Nu, • 1• (bb 1b4U F'. U
ambient group Inc, NAnoxm, I fl..I:t(;l'AKr uN
Indoor enviranmentol quality surveys 55 WLSI ;yttt srltta:r
water treatment consulting Ilan 1100,
Asbustas & lead field services NI W VOIIK, NI iV VL114LK IucffF
Regulatory compliance programs 7111: 1,It) ,f 3-7$U
1=Ax: (ath) 4(,f-9107
Air, water & soft analytical laboratories
W,,, wwwAM01L'N10K~t[Iv.cnxu
November 9, 2001
Mr. Elliot Zuckerman
Cushman & Wakefield
a/a/f Mercantile Exchange
One North End Avenue
New York, New York l 0282
Re: One North End Avenue
Ambient Project # 211338
Dear Mr. Zuckerman;
The following is a summary of the indoor environmental
quality survey that Ambient Group, Inc.
performed on November 6, 2001 at the above referenced location, The
survey included sampling
for airborne metals, polynuclear aromatic hydrocarbons
and airborne asbestos structures by TEM,
Four (4) air samples were collected from various locations
on floors 3, 7, 12 and from outside the
building and analyzed by transmission electron microscopy (TEM)
for asbestos structures. The
results of the analysis indicated that airborne asbestos levels inside and
outside the building at the
time of testing were less than the analytical sensitivity of the
instrument, which is well below the
EPA standard of 70 structures/mm2 as well as other
recommended industry guidelines and/or
regulations.
Four (4) air samples were collected from floors 3, 7, 12
and outside the building and analyzed
,for polynuclear aromatic hydrocarbons in air.
Analysis of all four (4) samples collected
revealed that the levels of the individual compounds were
below the OSHA Permissible
Exposure Limits and NIOSH REL guidelines.
Four (4) air samples were collected from floors 3, 7, 12 and
outside the building and analyzed
for metals in air, All measured metals were
within their respective OSHA Permissible
xposure Limits,
1}1.1V CUVF, NY
MIAMI. Ff. I71Ir.Arl1, TI, U16ANC:1•» (:5
516 ((U9-000y fnS .$o-oiiu 31S 5=7-55=6 714
11/09/01 FRI 17:37 [TX/RI NO 8445]
NYC-WTC 000097723
OCR can misread numbers and units. Confirm readings against the page image before using them.