Revised WTC cleaning and monitoring scopes of work, June 2002

NYC 9/11 Public Portal Document

1. Cleaning of Common Spaces Common spaces will be cleaned ifrequested by the building owner or determined necessary by USEPA or designee. The cleanup contractor will initiate the cleanup by vacuuming all common spaces. This includes hallways, utility rooms, laundry rooms, compactor rooms and elevators interiors. If elevator shafts are determined to contain significant WTC dust and or debris, cleanup will proceed under the Scope B site specific work plan. Work will begin from the entrance and continue through all common spaces in an orderly fashion. Cleaning will begin at the ceiling and continue down the walls to the floor. Windows and screens will be vacuumed/washed as encountered. Work will continue to the next floor via stair ways. Appliances will be moved to permit complete cleaning. Dryer vents and filters will be cleaned and replaced.

2. Cleaning of Residential Spaces All horizontal hard surfaces shall be HEPA vacuumed and wet wiped. Vertical and soft surfaces shall be HEPA vacuumed two times. Surfaces include but are not limited to walls, floors, ceilings, ledges, trims, furnishings, appliances, equipment, etc. Encapsulating agents shall not be applied. Dry sweeping is prohibited. Cleaning ofclothing and accessories (handbags, shoes etc.)shall be the responsibility ofthe occupant A detailed description ofthe minimum cleaningrequirements are as follows: a. Terraces, balconies, exterior window sills and window guards that are accessible from the interior of the dwelling, will be cleaned. b. Interior windows, screens, window sills and window guards will be cleaned c. Vacuuming will begin at the ceiling and continue down the walls to the floor. d. Carpets, curtains, fabric window treatments, upholstery, and other materials that cannot be cleaned by wet wiping shall be HEPA vacuumed two times. Carpets will be vacuumed using an agitator bar. Fabric covered furniture will be vacuumed using a stiff brush attachment. e. Solid floors will be mopped. f. Plants shall be cleaned by rinsing leaves with water. g- Paperwork, books shall be HEPA vacuumed. h. Electrical outlets, baseboard heating elements will be vacuumed. i. Window air conditioners will be vacuumed then dismantled and vacuumed internally. Filters will be cleaned and replaced. Air conditioners will be reassembled after cleaning. j- Central HVAC intake/discharge registers (ifpresent) will be removed/cleaned. The first foot ofduct work will also be vacuumed, then the register will be replaced and covered with plastic. k. Appliances such as refrigerators and stoves will be cleaned and moved. The floor footprint ofthe appliances will be cleaned and the appliance will be replaced in its original position. 1. Refrigerator cooling tubes will brushed and vacuumed. m. Stove storage drawers will be vacuumed ifpresent. Stove cook tops will be opened and vacuumed. Stove exhaust fan filters will be cleaned or replaced. n. The first foot ofall exhaust duct work (including stove, dryer and bathroom vents) will be

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