NYC 9/11 Public Portal Document
ENVIRONMENTAL The First Choice for Environmental Testing & Consulting
INC0RPci ' E0
October 9. 2001
Gateway Plaza Management Corporation
375 South End Avenue
New York. New York 10280 Via Facsimile
Subject: Final Air Clearance Sampling: Gateway Plaza 375 South End Avenue Building
400: ADartment- l OU
9 Gentlemen:
ALC Environmental Incorporated (ALC) (License #00-0358) has been retained to
perform bulk sampling, visual assessments & air monitoring according to the EPA
Protocol to determine the presence of asbestos at the above referenced project.
apartment and
Based on EPA Guidelines, we collected one (I) bulk sample from this
analyzed it via Polarized Light Microscopy (PLM) Methodology. One sample col lected
1% by weight.
from this apartment was found to be slightly above the regulatory limits of
and was
The sample was then forwarded to a second laboratory for further analysis
determined to be below the regulatory limits. (See Attached Results)
Approved Asbestos Abatement Inc. (License #99-1 1 84), a certified asbestos abatement
contractor hired independently by the owner, was used to clean this specific apartment.
conducted
Upon completion of the asbestos clean up procedures, a visual inspection was
Gateway Plaza. No visible asbestos containing
in Apartment IOU of the 400 building at
sampling.
material (acm) or debris was observed, ALC then performed final air clearance
The areas were cleared by ALC via Transmission Electron Microscopy (TEM)
Methodology. The results indicated that the work areas achieved the acceptance
criteria well below <70 structures per mm2 set by the above regulations.
City
The air sampling and analysis were done utilizing applicable Federal, State and
Regulations pertaining to asbestos to include Federal OSHA (29 CFR 1926.58) EPA
NESHAPS (40 CFR PART 61), AND TSCA TITLE H AHERA/ASHARA (40 CFR
Labor Industrial
PART 763) Asbestos Regulations: the New York State Department of
Environmental Protection Title 15
Code Rule 56 and the New York City Department of
Asbestos Regulations.
2.2 .5747
4
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