NYC 9/11 Public Portal Document
presence of infants (less than 12 months old), persons having undergone
recent surgery, immune suppressed people, or people with chronic
inflammatory lung diseases (e.g., asthma, hypersensitivity pneumonitis,
and severe allergies).
k. The work area should be covered with a plastic sheet(s) and sealed with
tape before remediation, to contain dust/debris.
1. Dust suppression methods, such as misting (not soaking) surfaces prior to
remediation, are recommended.
m. Contaminated materials that caimot be cleaned should be removed from
the building in sealed plastic bags. There are no special requirements for
the disposal of moldy materials.
n. The work area and areas used by remedial workers for egress should be
HEPA vacuumed (a vacuum equipped with a High-Efficiency Particulate
Air filter) and cleaned with a damp cloth and/or mop and a detergent
solution.
o. All areas should be left dry and visibly free from contamination and
debris.
3.3 Leye////: Large Isolated Areas (30 -100 square feet) - e.g., several
wallboard panels.
A health and safety professional with experience performing microbial
investigations should be consulted prior to remediation activities to provide
oversight for the project.
The following procedures at a m/n/mum are recommended:
p. Personnel trained in the handling of hazardous materials and equipped
with respiratory protection, (e.g., N95 disposable respirator), in
accordance wi& the OSHA respiratory protection standard (29 CFR
1910.134), is recommended. Gloves and eye protection should be worn.
q. The work area and areas directly adjacent should be covered with a plastic
sheet(s) and taped before remediation, to contain dust/debris.
r. Seal ventilation ducts/grills in the work area and areas directly adjacent
with plastic sheeting.
s. The work area and areas directly adjacent should be unoccupied. Further
vacating of people from spaces near the work area is recommended in the
presence of infants (less than 12 months old), persons having undergone
NYC-WTC_000163395
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