Current through Register Vol. 56, No. 18, September 16, 2024
(a) No
asbestos hazard abatement work including preparation shall be performed or
continued without having a certified asbestos safety technician at the work
area.
(b) Protective clothing,
equipment, and general procedures for asbestos abatement shall be subject to
the following requirements:
1. Only
authorized personnel shall be permitted in the work area. The contractor shall
provide the required respirators and protective clothing to all who may inspect
or visit the work area;
2. The
protective clothing and equipment requirements set forth in this section shall
be used to prevent the contamination by persons engaged in asbestos abatement
projects of areas and buildings accessible to or used by the public;
3. All persons entering the work area shall
wear protective clothing. All clothing worn during removal operations shall be
disposed of as contaminated waste. The requirement that clothing be disposed of
as contaminated waste shall not include rubber boots, respirators, eye
protection, hard hats, and other protective clothing, which can be easily
cleaned.
4. Polyethylene bags shall
be six mil thick and of sufficient size for their intended use;
5. All tape, spray-on adhesives, glove bags,
glue, and other materials used in the abatement process shall be of
sufficiently high quality to serve their intended purpose;
6. The contractor shall have available
sufficient inventory of protective clothing, respirators, filter cartridges,
polyethylene sheeting, duck tape, spray-on adhesives, and air filters.
Sufficient personal protective equipment shall be available for usage by
authorized personnel;
7. The
contractor shall have available shower stall(s) and sufficient plumbing for
these showers including hot and cold running water and sufficient hose length
and drain systems or an acceptable alternate such as a portable decontamination
trailer with showers. Waste shower water shall be added to
asbestos-contaminated waste material before disposal in a permitted asbestos
waste landfill or it shall be solidified using an approved polymer to prevent
leaks or accidental spills within a facility or during transport for disposal
to a permitted asbestos waste landfill or it shall be filtered using a five
[mu] filter and disposed of in the sanitary drain, if allowed by local
treatment works by regulation or as allowed by permit;
8. The contractor shall have available
adequate ladders and/or scaffolds and sufficient temporary lighting equipped
with ground fault circuit interruptors for the asbestos safety technician and
all others who may inspect the work;
9. The contractor shall have available HEPA
filter equipped air filtering equipment capable of filtering asbestos fibers to
0.3 [mu] at 99.97 percent efficiency and of sufficient quantity and capacity to
cause a complete air change or total air filtration within the work area at
least once every 15 minutes. Nothing in this subchapter shall be construed to
limit the maximum exhaust capacity from the work area. If the situation
warrants, the specifications for the abatement project may require additional
air changes per hour. The exhaust capacity from the work area shall be
sufficient to establish a pressure differential between the work area and all
adjacent spaces greater than or equal to 0.03 inches w.c. for unoccupied
buildings and greater than or equal to 0.05 inches w.c. for occupied buildings.
i. Pressure differential shall be monitored
by digital manometers with continuous printout or other approved low pressure
monitoring devices. The asbestos safety technician shall zero and level the
gauges each time a reading is taken.
ii. One or more separate pressure monitoring
systems shall be installed by the asbestos safety control monitor firm near the
entrance(s) to the work area and between the work area and any interior spaces
from which make-up air is drawn.
iii. In unoccupied buildings, if the pressure
differential drops below 0.01 inches w.c., the asbestos safety technician and
the contractor supervisor shall investigate and evaluate the engineering
controls to determine the source of the pressure loss and the contractor shall
institute corrective action as indicated.
iv. In occupied buildings, the procedures set
forth in 5:23-8.19 shall be
followed.
10. Air shall
flow into the work area through all openings, including the decontamination
chamber and waste exit ports, any areas in the work area where air leakage may
occur, and other controlled makeup air inlets. Air shall exhaust through the
air pressure differential filtration unit by means of flexible or solid duct
leading outside the building. The air-filtering equipment should be positioned
at a maximum distance from the decontamination chamber to maximize filtration
of airborne fibers. Sufficient air shall be exhausted by an approved HEPA
equipped vacuum truck or HEPA equipped air filtration units when necessary to
provide air pressure differential. Air filtration units shall be in operation
at all times;
11.
Asbestos-containing material shall be disposed of as specified in
5:23-8.22.
(c) Decontamination procedures are as
follows:
1. The contractor shall provide an
adequate decontamination unit consisting of a serial arrangement of rooms or
spaces adjoining the work area or a decontamination trailer. Each airlock shall
be clearly identified and separated from the other by polyethylene crossover
sheet doors designed to minimize fiber and air transfer as people pass between
areas. A minimum of two layers of polyethylene sheeting shall be required for
floors, walls, and the ceiling for on-site constructed decontamination units.
Polyethylene crossover sheet doors shall have at least three layers of
polyethylene sheeting and be weighted so as to fall into place when people pass
through the area. Decontamination chamber doors shall be of sufficient height
and width to enable replacement of equipment that may fail and to safely
stretcher or carry an injured worker from the site without destruction of the
chamber or unnecessary risk to the integrity of the work area. Such doors must
be at least four feet wide, and the distance between sets of doors must be at
least four feet.
i. As an alternative to the
use of polyethylene crossover sheet doors, any other suitable method to
accomplish this end shall be acceptable, if it is approved by the asbestos
safety control monitor. Alternative doors shall provide for adequate exiting in
accordance with the building subcode of the Uniform Construction
Code.
2. The
decontamination areas shall consist of the following:
i. Clean room: In this room persons remove
and leave all street clothes and put on clean disposable coveralls. Appropriate
NIOSH approved respiratory protection equipment is also picked up in this area.
No asbestos contaminated items are permitted in this room.
ii. Shower room: This is a separate room used
for transit by cleanly dressed people entering the work area from the clean
room and for showering by them after they have undressed in the equipment room.
This is a contaminated area.
iii.
Equipment room: Work equipment, footwear, and all other contaminated work
clothing shall be stored here. This is also a change and transit room for
people. All areas between the shower room and work area shall be considered
part of the equipment room. This is a contaminated area.
3. In order to prevent contamination of the
environment, the contractor shall be responsible for controlling access at the
work area and shall maintain a daily log of personnel entering the work area. A
list of names of workers shall be posted with their start and stop times for
each day. In addition, the contractor shall ensure that all persons who enter
the work area shall observe the following work area entry and exit procedures:
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
stored 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 removal of contaminated clothing, and shall not be removed until
they have been washed free of dust.
vii. After showering, the person moves to the
clean room and dresses in street clothing prior to exiting.
viii. Respirators are picked up, washed
thoroughly, and disinfected as required, wrapped and stored in the clean
room.
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.
Nondisposable footwear shall remain inside the contaminated area until
completion of the activity, and shall be thoroughly cleaned at that
time.
(d) Preliminary
preparations in the work area shall be conducted as follows:
1. The contractor shall provide and post in
clearly visible locations, appropriate caution and/or danger signs indicating
that asbestos work is being conducted and that unprotected persons should not
enter;
2. Employees of the
contractor permitted pursuant to N.J.A.C. 8:60 and N.J.A.C. 12:120 or persons
employed by the building owner who have successfully completed a
maintenance/custodial or worker training course approved by the New Jersey
Department of Health shall clean with wet cloths and/or with HEPA vacuums as
appropriate all objects that can be removed from the work area without
disrupting the asbestos-containing material. Objects shall include, but not be
limited to, furniture, equipment, drapes, and curtains. The cloths used for
cleaning shall be disposed of as asbestos contaminated waste. If the room and
objects within it are shown to be uncontaminated by asbestos, then other
employees of the building owner or contractor may remove such
objects;
3. The contractor shall
install or build a decontamination facility in accordance with this
section;
4. The contractor shall
arrange for shutting down and sealing off all electrical, heating, cooling, and
ventilating or other air handling systems. However, if approved by the asbestos
safety control monitor, the lighting and the receptacles in the work area may
be used if these are properly protected by ground fault circuit interruptors
and can be adequately cleaned following abatement;
5. The contractor shall establish written
emergency procedures to be posted within each work area. These procedures shall
include plans for medical emergencies, fire evacuation, temporary loss of
electrical power or water and procedures for repair and clean-up following
temporary breach of containment barriers.
(e) Isolation and barrier construction in the
work area shall be conducted as follows:
1.
Before removing any asbestos from the work area, the contractor shall ensure
that the outer perimeters of the work area have been securely sealed off from
the rest of the building;
2. All
vertical and horizontal surfaces except those of asbestos containing materials
shall be sealed with watertight polyethylene sheeting except as provided in
(e)3 below;
3. The only permissible
exception to total enclosure shall be:
i. An
entrance airlock with showers and a decontamination chamber;
ii. A debris removal airlock to permit
cleaning and removing asbestos waste;
iii. Staircases; and
iv. Controlled makeup air inlets into the
work area.
4.
Polyethylene sheeting shall be used to isolate contaminated from uncontaminated
areas. This polyethylene sheeting shall be replaced or repaired immediately if
torn or damaged. One layer of polyethylene sheeting shall be required for walls
and two layers of polyethylene sheeting shall be used to seal open space
between work areas and non-contaminated areas and for all floors. In buildings
required by the Uniform Construction Code to be of noncombustible construction,
all materials used to construct separation barriers must meet the Uniform
Construction Code, building subcode requirements for that building and all
plastics used must be flame resistant.
(f) Initial activity in the work area shall
be conducted in the following order:
1. Remove
filters from all heating, ventilating, and air conditioning systems. Wet the
filters and place them in polyethylene bags, double bagged with visible labels,
for disposal as asbestos-containing waste. Squeeze all excess air out of the
bag before sealing to prevent puncture during disposal. Secure bags by
twisting, taping, folding over, and sealing them with duct tape.
2. The contractor shall wet clean and/or HEPA
vacuum all non-removable non-asbestos items such as radiators and suspended
light fixtures in the work area, including built-in equipment; and shall cover
with two layers of polyethylene sheeting taped securely in place;
3. The contractor shall detach and wet clean
removable electrical, heating, and ventilating equipment and other items which
may be connected to the asbestos surfaces. These items shall be removed from
the work area and returned and reattached to their proper place when the work
area has been decontaminated and final air testing has provided satisfactory
results;
4. The contractor shall
seal all floor, wall, and ceiling penetrations with suitable material such as
expanding foam insulation before covering the surfaces with polyethylene
sheeting. The contractor then shall seal all openings between the work area and
uncontaminated areas including but not limited to, windows, doorways, elevator
openings, skylights, corridor entrances, floor and sink drains, air ducts,
grills, grates and diffusers with critical barriers consisting of two layers of
polyethylene sheeting taped securely in place or stapled or fastened by
spray-on adhesives, glue beads, or horizontal wood battens or the equivalent.
Floor drains shall be sealed individually and then covered as all other floor
surfaces with two layers of polyethylene sheeting. Separation barriers may be
constructed to support the critical barriers. Separation barriers shall not
block any required means of egress;
5. For floor covering two layers of
polyethylene sheeting shall be used. The first layer of floor sheeting shall
extend up the wall at least 12 inches. The second layer shall be extended up
walls at least 24 inches. Sheeting shall be sized so as to minimize the number
of seams necessary. No seams shall be located at the joints between walls and
floors;
6. Wall sheeting shall
consist of one layer of polyethylene sheeting. It shall be installed to
minimize joints and shall overlap floor sheeting by at least 18 inches. No
seams shall be located at the corners. Wall coverings shall be taped first to
the upper most edge of the wall and shall hang straight down;
7. When a strippable coating is used in place
of polyethylene sheeting, it must be manufactured for the specific application
required for walls, floors, or windows.
i.
When dry, the strippable coating must have a class A rating as a building
material and must meet the following requirements when tested in accordance
with ASTM E-84: flame spread no greater than 20, fuel contributed 0, and smoke
developed no more than 110.
ii. The
strippable coating shall be applied uniformly in such a manner as to achieve a
minimum uniform final thickness of six mil for each layer required pursuant to
this subchapter.
iii.
Manufacturer's specifications shall be followed for the method of application
and for the protection of the applicators and building occupants.
iv. Use of the product shall be authorized in
advance by the asbestos safety control monitor firm. The material shall be
delivered to the project site in unopened, factory-labeled
containers.
8. As all
existing ventilating systems in work area are to be sealed throughout the
removal operation, an alternative system shall be utilized. Install approved
HEPA equipped air filtration units with filters in place. HEPA equipped air
filtration units shall be of sufficient number and capacity to ensure that
total air volume is exchanged at least once every 15 minutes and an acceptable
pressure differential is established and maintained. These units shall be rated
by the manufacturer as to their actual working air capacity and field tested
pursuant to
5:23-8.10(d)4.
(g) Sequence of asbestos removal
activities shall be as follows:
1. The
asbestos-containing material shall be sprayed with water containing an additive
to enhance penetration (amended water) or removal encapsulant. All wetting
agents shall be tested on a small area before use to ensure effectiveness. A
fine low-pressure spray of this solution shall be applied to prevent fiber
disturbance preceding removal. The removal encapsulant or amended water shall
be sprayed on as many times and as often as necessary to ensure that the
asbestos material is adequately wetted throughout (especially that asbestos
nearest the substrate) to prevent dust emission.
2. As a method of organizing the asbestos
removal work, workers shall begin working on the areas nearest to the
decontamination unit and work towards the HEPA equipped air filtration units.
If this is not feasible, the asbestos safety control monitor firm shall approve
an alternative to this requirement.
3. The wet material from each section shall
be packed and sealed into labeled six mil polyethylene bags and double bagged
with visible labels or placed in labeled, leak-proof containers, prior to
starting the next section. Water-soaked fallen material shall be picked up
while wet.
4. Contaminated material
containing sharp edged items shall be cut to manageable size while adequately
wet, and then placed in suitable leak-tight and puncture-proof containers or
wrapped individually in two separate polyethylene sheets and double
bagged.
5. Bags and drums shall be
marked with the label prescribed by 40 CFR Part 61, Subpart M of the US EPA, 29
CFR 1926 of OSHA, and 49 CFR--Parts 100-199 of the US DOT Hazardous Waste
Hauling regulations. The outside of all containers shall be wet-cleaned or HEPA
vacuumed before leaving the work area.
6. After completion of this removal phase
(stripping), all surfaces from which asbestos has been removed shall be
scrubbed using nylon or bristle brushes and wet sponged or cleaned by an
equivalent method to remove visible asbestos-containing material. During this
work, the surfaces being cleaned shall be kept wet using amended water or a
removal encapsulant. All disposable equipment shall be packaged for disposal.
Containers shall be washed with amended water or a removal encapsulant and
shall have all exterior particulate matter removed prior to removal from the
contaminated area.
7. All accessory
equipment shall be moved to the equipment room and decontaminated for
removal.
8. All free water (in
contaminated areas) shall be retrieved and added to asbestos-contaminated waste
and/or placed in plastic lined leak-tight drums and/or solidified with an
acceptable polymer or it shall be filtered using a five [mu] filter and
disposed of in the sanitary drain, if allowed by local treatment works by
regulation or as allowed by permit.
9. Final clean-up of the work area may
commence.
(h) Final
clean-up of the work area shall be conducted as follows:
1. The contractor shall first clean all
surfaces in the work area using a fine spray or mist of amended water or
removal encapsulant applied to all surfaces followed by the wet-wiping
procedure using disposable cloths. These cloths shall be disposed of or rinsed
thoroughly on a frequency sufficient to eliminate visible accumulation of
debris. The contractor shall allow all surfaces to dry before re-entering the
work area and proceeding to (h)2 below.
i. The
contractor shall notify the asbestos safety technician in writing that a
pre-sealant inspection is requested.
2. After completion of cleaning all surfaces
in the work area and upon receiving a satisfactory pre-sealant inspection, the
contractor shall spray coat all dried exposed surfaces with a sealant. The
color of this coat shall be separate and distinct from the underlying
substrate. The surfaces to be coated shall include surfaces from which
asbestos-containing materials have been removed (such as ceilings) and
polyethylene which has been used to cover walls, floors and non-removable
fixtures and equipment.
3. The
polyethylene sheeting used to protect floors, walls, fixtures and equipment
shall be carefully removed and rolled up, with the contaminated portion on the
inside, and packaged for disposal. Tape and any other debris shall also be
disposed of in sealed polyethylene bags labeled as asbestos-contaminated
waste.
4. Wet clean with amended
water or a removal encapsulant all walls, floors, woodwork, ceilings, electric
light fixtures and other surfaces. Allow all surfaces to dry and repeat
procedure. Cloths or sponges used in the cleaning operation shall be disposed
of as contaminated waste.
5. The
polyethylene sheeting used to maintain critical barriers between work areas and
clean areas such as those in doorways, windows and air vents shall be sprayed
with encapsulant, but not removed until air monitoring is completed and
satisfactory results have been obtained.
6. After completion of the cleaning
operations the contractor shall:
i. Notify the
asbestos safety technician that a clean-up inspection can be performed to
ensure all visible asbestos has been removed and the area is dust
free;
ii. Request final air
clearance monitoring of the work area.
7. After the work area is found to be in
compliance with the acceptance criteria, the following tasks shall be performed
by the contractor:
i. All critical barriers
shall be removed and bagged in polyethylene bags for disposal;
ii. The inside of windows shall be
washed;
iii. Any walls, floors,
trim, doors, furniture or other items damaged during the work shall be repaired
and refinished to match existing material;
8. Notice for a final inspection shall be
made by the owner or contractor to the asbestos safety control
monitor.
9. Upon receiving a
satisfactory final inspection, application for a Certificate of Completion may
be made.
(i) Special
precautions shall be implemented, where appropriate, including, but not limited
to, the following examples:
1. Asbestos
abatement projects involving ceiling tile and T-grid components, elevators,
carpet, contaminated soil and projects in tunnels, crawl spaces, plumbing
access panels, and/or involving live electrical panels or live steam lines are
likely to present unique conditions that will require special precautions in
addition to the procedures described in this section. In instances where
special precautions need to be instituted, they shall be described in plans and
specifications approved by the asbestos safety control monitor firm.