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Title: Section 67-2.7 - Environmental intervention and abatement

Effective Date


67-2.7 Environmental intervention and abatement. The Commissioner or his designated representative shall require in the notice and demand, where necessary, pre-abatement and clean up actions as specified in 67-2.7(a) and (b) and any one or more of the actions listed in 67-2.7(c) through (j) as part of an abatement of a dwelling:

(a) Pre-abatement actions: (1) furniture, rugs, carpets, bedding, drapes, dishware and food shall either be removed or covered with plastic sheets a minimum thickness of six mils and sealed; (2) room openings must be sealed with plastic sheets that have a minimum thickness of six mils and (3) floors or in place carpet must be covered with two sheets of plastic a minimum thickness of six mil thick, secured to the wall or baseboard with duct tape.

(b) Clean-up shall be performed daily and consist of misting debris with water and carefully sweeping and placing it in double four mil or six mil plastic bags, followed by wet dusting or wet mopping of all surfaces in the work area. Final clean-up shall be performed a minimum of 2 hours after completion of active abatement and shall include, but not be limited to, an HEPA filtered vacuuming of all interior surfaces, including window sills, followed by a wet mopping of all surfaces with a heavy duty household cleaning solution, followed by a second HEPA filtered vacuuming. In some instances the Commissioner or his designated representative may determine that an alternative wet vacuum system may be used in place of the HEPA filter.

(c) When necessary, relocation of occupants to temporary housing until the abatement work specified has been completed.

(d) Placarding of the dwelling with the statement that human habitation is prohibited until the Commissioner or his designated representative determines that the dwelling has been abated.

(e) Prohibition of the presence of children and pregnant women in part or all of a dwelling during abatement activities.

(f) Encapsulation of lead painted surfaces with materials approved as an encapsulant of lead paint by the United States Environmental Protection Agency or the United States Department of Housing and Urban Development, or the American Society for Testing and Materials or the Commissioner.

(1) After repair of water leaks caused by structured or plumbing deficiencies.

(2) In accordance with manufacturer's instructions.

(3) After the removal of any chipping, peeling or flaking paint in accordance with Section 2.7 (i) of this Subpart.

(g) Enclosure of lead-containing surfaces with durable materials applied as follows:

(1) After repair of water leaks caused by structural or plumbing deficiencies.

(2) With materials that are fire resistant which may include gypsum board, aluminum, vinyl, plywood paneling a minimum of 5/32 inch thick good (1) grade, Formica, acrylic sheets, fiberglass, durable carpet, tile, Plexiglas.

(3) After the removal of any chipping, peeling or flaking paint in accordance with section 2.7 (i) of this subpart.

(h) Replacement of building components with lead-free materials.

(i) Removal of lead-containing surface coating materials by one or more of the following methods after which a lead free surface coating material shall be applied to the surface:

(1) Wet wire brushing or hand scraping with or without the aid of a non-flammable solvent or wet abrasive compound.

(2) Machine sanding, using a sander equipped with a high efficiency particle air filter device, to feather edges and prepare surfaces for repainting or sealing.

(3) When used with appropriate respiratory protection, a heat gun, which produces a temperature not exceeding 1,100 degrees Fahrenheit, with hand scraping.

(4) Off-site paint removal.

(5) Other procedures acceptable to the Commissioner.

(j) Abatement of exterior surfaces by any of the methods described in section 67-2.7 (a-i) of this Subpart or by confined abrasive blasting using a wet-misting technique or simultaneous vacuuming system. In addition, plastic sheets, a minimum thickness of six mils, must be placed on the ground as close to the dwelling foundation as obstructions will allow a minimum of six feet for each story in height before blasting begins, and left in place until cleanup is complete. All seams must be sealed with tape and outer edges raised to trap liquid waste.


VOLUME A-1a (Title 10)