NYC 9/11 Public Portal Document
DRAFT ANSWERS FOLLOW-UP TO FEB 21 HOTLINE COMMITTEE
The following are some examples of questions raised by community
residents regarding environment, health, and quality of life In Lower
Manhattan
I. BUILDING RELATED ISSUES
A. Landlords/Enforcement
• How do I know my landlord had the HVAC (Heating, Ventilation
and Air Conditioning) system properly cleaned?
Contact your building owner and request the Information. Building
owners were advised by DEP to change filters in ventilation
systems if they found debris after 9/11. Buildinq owners were also
requested to have debris assessed for the presence of asbestos by
a certified asbestos investiqator. The removal of debris containino
qreater than 1% asbestos requires that an asbestos abatement be
performed in accordance with state and local (DEP) requlations. If
it has been determined that debris in the system does not contain
asbestos, a visual inspection of the system components, including
air handlinq units, ductv\^ork, and plenums should be performed.
• Are there written protocols as to how to clean HVAC systems?
Has anyone checked with ASHRAE or BOMA on this ? - my sense
is that there are some recommg'nded approaches. If it has been
determined that the system contains debris qreater than 1%
asbestos, the cleaninq must be performed as an asbestos
abatement. There are no requlations qoverninq the cleaninq of
residential or commercial HVAC systems for dusts that do not
Xcontain asbestos or other hazardous materials and specific
methods or protocols may vary. Any type of cleaning performed
‘ should include methods for cleaninq all system components without
dispersinq dust, etc, into occupied rooms. A follow up visual
inspection should always be performed when cleaninq is finished to
aS ensure that the cleaninq method used was successful, standard
protocols for cleaning HVAC systemsT- .However, Uf systems are
dusty and have not been cleaned since 9/11 the City recommends
that the building owner/management company change filters on the
system and use a HEPA vacuum to clean the system.
• What can I do about buildings that have not been cleaned yet
NYC-WTC_000147679
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