NYC 9/11 Public Portal Document
i. Person enters clean room and removes street clothing, puts on protective
clothing and a respirator, and passes through shower room into
equipment room.
ii. Any additional required clothing and equipment previously deposited in
the equipment room is put on.
iii. Person proceeds to work area.
iv. Before leaving the work area, the person shall remove all gross
contamination and debris from the coveralls using a vacuum with a high
efficiency particulate air (HEPA) filter. In practice, this is usually
carried out by one person assisting another.
v. The person then proceeds to equipment room and removes all clothing
except approved respirators. Extra clothing may be stores in
contaminated end of the unit. Disposable coveralls are placed in a bag
for disposal with other material.
vi. The person then proceeds directly into the shower room. Respirators
shall be taken off last to prevent inhalation of fibers during the removal
of contaminated clothing, and shall not be removed until they have been
washed free of dust.
vii. Respirators are picked up, washed thoroughly, and disinfected as
required, wrapped and stored the clean room.
in
4. • The contractor shall ensure that filters in cartridge type respirators used during the
preparation and abatement phase of the project are removed, wetted, and
discarded as contaminated waste. All new filters shall be in place in the respirator
prior to reuse. For powered air purifying respirators or supplied air respirators,
the manufacturer's instructions shall be followed about the proper
decontamination sequence.
5. There shall be no smoking, eating, or drinking in any contaminated areas (shower
room, equipment room, and work area). Respirators shall be worn in all
contaminated areas.
6. Non-disposable footwear shall remain inside the contaminated area until
completion of the activity, and shall be thoroughly cleaned at that time.
NYC-WTC 000128568
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