Current through Register Vol. 56, No. 18, September 16, 2024
(a)
Each lead abatement shall be designated as one or more of the following:
1. Interior worksite, preparation Level 1, 2,
3 or 4;
2. Exterior worksite,
preparation Level 1, 2 or 3; or
3.
Window treatment or replacement preparation.
(b) For each of the interior levels specified
in subsection (a) above, worksite preparation shall be performed as follows:
1. Interior worksite, preparation Level 1:
i. Typical application: Dust removal and any
abatement disturbing no more than two square feet of painted surface per
room;
ii. Time limit: One work
day;
iii. Resident location: Inside
dwelling, but outside work area. Residents shall have secure passage to
bathroom facilities and to emergency egress route(s). Alternatively, residents
can leave the dwelling during the work;
iv. Barrier system: Single layer of plastic
sheeting on floor extending five feet in all directions beyond the perimeter of
the surface area to be treated. A low physical barrier, such as furniture or
wood planking, shall be provided to prevent inadvertent access by residents.
This barrier shall not be mechanically fastened.
v. Warning signs: Required at entry to room,
but not on building unless exterior work is also underway;
vi. Ventilation system: Dwelling ventilation
system turned off, but vents need not be sealed with plastic sheeting if they
are more than five feet away from the surface being treated. Negative pressure
zones are not required, unless large supplies of fresh air must be admitted
into the work area to control exposures to other hazardous substances, for
example, solvent vapors; and
vii.
Furniture: Left in place uncovered unless it is within five feet of working
surface. If within five feet, furniture shall be sealed with plastic sheeting
or moved for paint treatment. No covering is required for dust
removal.
2. Interior
worksite, preparation level 2:
i. Typical
application: Any abatement method disturbing between two and 10 square feet of
painted surface per room;
ii. Time
limit: One work day;
iii. Resident
location: Inside dwelling, but outside work area. Residents shall have secure
passage to bathroom facilities and to emergency egress route(s). Alternatively,
residents may leave the dwelling during the work;
iv. Barrier system: Two layers of plastic
sheeting on entire floor. Plastic sheeting forming a primitive airlock flap
shall be placed on all doorways. The primitive air lock shall be constructed
using two sheets of plastic. The first one shall be taped to the floor and the
two sides of the doorway. A slit approximately six feet in length shall be cut
down the middle of the plastic sheeting. Do not begin the slit at the top and
do not cut the slit all the way down to the floor. The second sheet of plastic
sheeting shall be taped across the top of the doorway so that it acts as a
flap. The flap shall open into the work area. Doors secured from inside the
work area need not be sealed;
v.
Warning signs: Required at entry to room, but not on building unless exterior
work is also underway;
vi.
Ventilation system: Turned off and all vents in room sealed with plastic
sheeting. Negative pressure zones are not required, unless large supplies of
fresh air must be admitted into the work area to control exposure to other
hazardous substances, for example, solvent vapors; and
vii. Furniture: Removed from work area. Large
items can be sealed with taped plastic sheeting and left in work
area.
3. Interior
worksite, preparation Level 3:
i. Typical
application: Any abatement method disturbing between two and 10 square feet of
painted surface per room;
ii. Time
limit: Five days;
iii. Resident
location: Outside the dwelling, but can return in evening after day's work and
cleanup are completed. Residents shall have secure passage to bathroom
facilities and to emergency egress route(s). Alternatively, residents can leave
until all work is completed;
iv.
Barrier system: Two layers of plastic sheeting on floors. Plastic sheeting with
primitive airlock flap, as described in (b)2iv above, shall be provided on all
doorways to work areas. Doors secured from inside the work area need not be
sealed. Overnight barrier shall be locked or firmly secured;
v. Warning signs: Posted at main and
secondary entryway;
vi. Ventilation
system: Turned off and all vents in room sealed with plastic sheeting. Negative
pressure zones are not required, unless large supplies of fresh air must be
admitted into the work area to control exposure to other hazardous substances,
for example, solvent vapors; and
vii. Furniture: Removed from work area. Large
items can be sealed with taped plastic sheeting and left in work
area.
4. Interior
worksite, preparation Level 4:
i. Typical
application: Any abatement method disturbing more than 10 square feet per room
(not including windows);
ii. Time
limit: None;
iii. Resident
location: Outside the dwelling for duration of project; cannot return until
clearance has been achieved;
iv.
Barrier system: Two layers of plastic sheeting on floors. If entire unit is
being treated, cleaned, and cleared, individual room doorways need not be
sealed. If only a few rooms are being treated, all doorways shall be sealed
with a primitive airlock flap, described in (b)2iv above, to avoid cleaning
entire dwelling. Doors secured from inside the work area need not be
sealed;
v. Warning signs: Posted at
building exterior near main and secondary entryways;
vi. Ventilation system: Turned off and all
vents in room sealed with plastic sheeting. Negative pressure zones are not
required, unless large supplies of fresh air must be admitted into the work
area to control exposure to other hazardous substances, for example, solvent
vapors; and
vii. Furniture: Removed
from work area. Large items can be sealed with taped plastic sheeting and left
in work area.
(c) For each of the exterior levels specified
in (a) above, worksite preparation shall be performed as follows:
1. Exterior Worksite, preparation Level 1:
i. Typical applications: Any abatement method
disturbing less than 10 square feet of exterior painted surface/dwelling. Not
appropriate for window treatment;
ii. Time limit: One day;
iii. Resident location: Inside dwelling for
duration of project until cleanup has been completed. Alternatively, can leave
until all work has been completed;
iv. Barrier system: For first story, one
layer of plastic sheeting on ground shall extend 10 feet out in all directions
from all working surfaces. For each additional story to be abated, plastic
sheeting shall extend an extra three feet. When the plastic sheeting is
punctured to anchor ladders, the plastic sheeting at the feet of the ladder
shall be taped so that debris does not fall below the plastic sheeting. When
the ladder is moved, any punctures in the plastic sheeting shall be sealed with
tape. For all other exterior plastic surfaces, protect plastic sheeting with
boards to prevent puncture from falling debris, nails, etc., if necessary. The
plastic sheeting shall be secured to the side of the building with tape or
other anchoring system so that there are no gaps between the plastic sheeting
and the building. The edges of the plastic sheeting shall be anchored in place.
All windows in the dwelling shall be kept closed. The contractor shall advise
the occupants of all neighboring buildings that windows within 20 feet and that
face the work area should be kept closed;
v. Security: Erect temporary fencing or
barrier tape at a 20 foot perimeter around entryway of building or less if
distance to next building or sidewalk is less than 20 feet. Use a locked
dumpster, covered truck, or locked room to store debris before disposal;
and
vi. Signs: Post warning signs
on the building and at a 20 foot perimeter around building or less if distance
to next building or sidewalk is less.
2. Exterior worksite, preparation Level 2:
i. Typical applications: Any abatement method
disturbing between 10 and 50 square feet of exterior painted
surface/dwelling;
ii. Time limit:
None;
iii. Resident location:
Relocated from dwelling during workday, but return after daily cleanup has been
completed;
iv. Barrier system: For
first story, one layer of plastic sheeting on ground shall extend 10 feet out
in all directions from all working surfaces. For each additional story to be
abated, plastic sheeting shall extend an extra three feet. When the plastic
sheeting is punctured to anchor ladders, the plastic sheeting at the feet of
the ladder shall be taped so that debris does not fall below the plastic
sheeting. When the ladder is moved, any punctures in the plastic sheeting shall
be sealed with tape. For all other exterior plastic surfaces, protect plastic
sheeting with boards to prevent puncture from falling debris, nails, etc. if
necessary. The plastic sheeting shall be secured to the side of the building
with tape or other anchoring system so that there are no gaps between the
plastic sheeting and the building. The edges of the plastic sheeting shall be
anchored in place. All windows in the dwelling shall be kept closed. The
contractor shall advise the occupants of all neighboring buildings that windows
within 20 feet and that face the work area should be kept closed;
v. Security: Erect temporary fencing or
barrier tape at a 20 foot perimeter around entryway of building or less if
distance to next building or sidewalk is less than 20 feet. Use a locked
dumpster, covered truck, or locked room to store debris before disposal;
and
vi. Signs: Post warning signs
on the building and at a 20 foot perimeter around building or less if distance
to next building or sidewalk is less.
3. Exterior worksite, preparation Level 3:
i. Typical applications: Any abatement method
disturbing more than 50 square feet of exterior painted surface per
dwelling;
ii. Time limit:
None;
iii. Resident location:
Relocated from dwelling for duration of project until final clearance is
achieved or may return after daily cleanup has been completed;
iv. Barrier system: For first story, one
layer of plastic sheeting on ground shall extend 10 feet out in all directions
from all working surfaces. For each additional story to be abated, plastic
sheeting shall extend an extra three feet. When the plastic sheeting is
punctured to anchor ladders, the plastic sheeting at the feet of the ladder
shall be taped so that debris does not fall below the plastic sheeting. When
the ladder is moved, any punctures in the plastic sheeting shall be sealed with
tape. For all other exterior plastic surfaces, protect plastic sheeting with
boards to prevent puncture from falling debris, nails, etc. if necessary. The
plastic sheeting shall be secured to the side of the building with tape or
other anchoring system so that there are no gaps between the plastic sheeting
and the building. The edges of the plastic sheeting shall be anchored in place.
All windows in the dwelling shall be kept closed. The contractor shall advise
the occupants of all neighboring buildings that windows within 20 feet and that
face the work area should be kept closed;
v. Security: Erect temporary fencing or
barrier tape at a 20 foot perimeter around entryway of building or less if
distance to next building or sidewalk is less than 20 feet. Use a locked
dumpster, covered truck, or locked room to store debris before disposal;
and
vi. Signs: Post warning signs
on the building and at a 20 foot perimeter around building or less if distance
to next building or sidewalk is less.
(d) Preparation for window treatment or
replacement shall be performed as follows:
1.
Window replacement from the interior of the building:
i. Appropriate application: Any window
treatment or replacement;
ii. Time
limit: None;
iii. Resident
location: Inside dwelling, but outside work area. Residents shall have secure
passage to bathroom facilities and to emergency egress route(s). Alternatively,
residents may leave the dwelling during the work;
iv. Barrier system: One layer of plastic
sheeting on floor extending five feet out in all directions from window being
treated/replaced. Two layers of plastic sheeting shall be taped to the outside
wall covering the window opening. Plastic sheeting forming a primitive airlock
flap shall be placed on all doorways. The primitive air lock shall be
constructed using two sheets of plastic. The first one shall be taped to the
floor and the two sides of the doorway. A slit, approximately six feet in
length, shall be cut down the middle of the plastic sheeting. The slit shall
not extend all the way to the top or all the way to the floor. The second sheet
of plastic shall be taped across the top of the doorway so that it acts as a
flap. The flap shall open into the work area. Doors secured from inside the
work area need not be sealed;
v.
Warning signs: Required at entry to room, but not on building unless exterior
work is also underway;
vi.
Ventilation system: Turned off and all vents in room sealed with plastic
sheeting. Negative pressure zones are not required, unless large supplies of
fresh air must be admitted into the work area to control exposure to other
hazardous substances, for example, solvent vapors; and
vii. Furniture: Removed from work area. Large
items can be sealed with taped plastic sheeting and left in work
area.
2. Window
replacement from the exterior of the building:
i. Appropriate application: Any window
treatment or replacement;
ii. Time
limit: None;
iii. Resident
location: Remain inside dwelling until project has been completed.
Alternatively, residents may leave until all work has been completed;
iv. Barrier system: For windows on the first
story, one layer of plastic sheeting on ground extending five feet out in all
directions from window being treated/replaced. For windows on upper stories,
the plastic sheeting shall be extended an additional three feet per story. Two
layers of plastic sheeting shall be taped to the interior wall covering the
window opening. When the plastic sheeting is punctured to anchor ladders, the
plastic sheeting at the feet of the ladder shall be taped so that debris does
not fall below the plastic sheeting. When the ladder is moved, any punctures in
the plastic sheeting shall be sealed with tape. For all other exterior plastic
surfaces, protect plastic sheeting with boards to prevent puncture from falling
debris, nails, etc. if necessary. The plastic sheeting shall be secured to the
side of the building with tape or other anchoring system so that there are no
gaps between the plastic sheeting and the building. The edges of the plastic
sheeting shall be anchored in place. All windows in the dwelling shall be kept
closed. The contractor shall advise the occupants of all neighboring buildings
that windows within 20 feet and facing the work area should be kept
closed;
v. Security: Erect
temporary fencing or barrier tape at a 20 foot perimeter around the building or
less if distance to next building or sidewalk is less than 20 feet. Use a
locked dumpster, covered truck, or locked room to store debris before disposal;
and
vi. Signs: Post warning signs
on the building and at a 20 foot perimeter around building or less if distance
to next building or sidewalk is less.
(e) For all worksites, damaged or torn
plastic sheeting or other barriers shall be promptly repaired or
replaced.
(f) To establish a
baseline soil lead level for all exterior worksites, preabatement composite
soil samples, consisting of at least five sub-samples, shall be taken next to
the foundation or from the dripline below any exterior surface to be abated,
unless this information is available from a current risk assessment. With the
owner's consent, analysis of preabatement soil samples may be delayed until
postabatement soil samples have been collected, analyzed, and compared to
clearance standards.
(g) Porches
and other building elements that project into the space between the work area
and the ground shall be covered with plastic sheeting.
(h) Exterior abatement shall not be conducted
if wind speeds are greater than 20 miles per hour. Work shall stop and clean up
shall occur before rain begins.
(i)
Where exterior abatement is to be performed, playground equipment shall be
removed from the work area and adjacent areas. Large items may be sealed with
taped plastic sheeting. All movable items shall be moved to a 20 foot distance
from the work area.