NYC 9/11 Public Portal Document
Indoor Clean-up Activities
Scope of Work A
Application: These procedures apply to the clean-up of minimal dust accumulations (light
coating). Cleaning shall include HEPA- vacuuming and wet-wiping. If a visual inspection
indicates the presence of large debris accumulations fi-om the collapse of the WTC, then these
procedures shall not be applicable (refer to Scope of Work B). The USEPA coordinator must be
contacted immediately with information regarding the presence of debris. The contractor shall
not proceed with work until the USEPA coordinator provides a determination regarding
appropriate procedures.
1. All work shall be performed by a NYSDOL licensed contractor with NYSDOL- and NYC
DEP- certified workers. The clean-up activities must be performed in the presence of an
authorized individual/occupant who shall be responsible for personal belongings.
2, A third party air monitoring firm shall perform air sampling after the clean up activities. The
person who conducts sampling shall possess a valid NYSDOL certificate.
3. Individuals performing clean up activities are not required to wear personal protective
equipment or respirators.
4. All surfaces shall be HEPA vacuumed and then wet wiped. An encapsulating agent shall not
be applied. Surfaces include but are not limited to walls, floors, ceilings, ledges, trims,
furnishings, appliances, equipment, etc.
Cleaning shall be performed by beginning at the highest surfaces and proceeding downward
beginning with wall surfaces. Cleaning shall commence at the entrance to the unit and
proceed inward. Appliances and large furniture shall be moved, cleaned and returned to their
position prior to cleaning the open areas.
The exterior of air condition imits shall be HEPA vacuumed and then wet wiped. The air
condition units shall then be pulled into the interior space where the grills and unit shall be
HEPA vacuumed and wet wiped.
Carpets, curtains, upholstery, and other materials that caimot be cleaned by wet wiping shall
be HEPA vacuumed two times. Dry sweeping is prohibited. Plants shall be cleaned by
rinsing leaves with water. Paperwork and books shall be HEPA vacuumed. Clothing and
accessories shall be the responsibility of the occupant.
5. A thorough visual inspection shall verify the absence of visible dust accumulations.
Additional clean-up procedures shall be performed where visible dust is observed. Air
sampling shall be performed after the area is free of dust accumulations.
6. Personal air monitoring shall be performed in accordance with USDOL OSHA requirements.
In addition, personal air monitoring shall be performed on a minimum of one worker per shift
NYC-WTC_000140589
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