An abbreviation that stands for “Asbestos-Containing Building Material.”
ACM
An abbreviation that stands for “Asbestos-Containing Material.”
Aggressive Method
Aggressive method means removal or disturbance of building materials by sanding, abrading, grinding, or using other methods that break, crumbles, or disintegrates intact ACM.
AAHERA
An acronym that stands for “Asbestos Hazard Emergency Response Act”.
Amended Water
Amended water means water to which surfactant (wetting agent) has been added to increase the ability of the liquid to penetrate ACM.
APF
An abbreviation that stands for “Assigned Protection Factors.”
APM
An abbreviation that stands for “Asbestos Program Manager.”
Asbestos
Asbestos includes chrysotile, amosite, crocidolite, tremolite asbestos, anthophyllite asbestos, actinolite asbestos, and any of these minerals that have been chemically treated and/or altered.
Asbestos-Containing Material
Asbestos-containing material means any material containing more than 1 percent asbestos.
Assistant Secretary
Assistant Secretary means the Assistant Secretary of Labor for Occupational Safety and Health, U.S. Department of Labor, or a designee.
Authorized Person
Authorized person means any person authorized by the employer and required by work duties to be present in regulated areas.
Building/Facility Owner
Building/facility owner is the legal entity, including a lessee, which exercises control over management and record-keeping functions relating to a building and/or facility in which activities covered by CFR 29 1926.1101 take place.
Certified Industrial Hygienist
Certified Industrial Hygienist means one certified in the practice of industrial hygiene by the American Board of Industrial Hygiene.
CIH
An abbreviation that stands for “Certified Industrial Hygienist.”
Class I Asbestos Work
Class I asbestos work means activities involving the removal of TSI and surfacing ACM and PACM.
Class II Asbestos Work
Class II asbestos work means activities involving the removal of ACM which is not thermal system insulation or surfacing material. This includes, but is not limited to, the removal of asbestos-containing wallboard, floor tile and sheeting, roofing and siding shingles, and construction mastics.
Class III Asbestos Work
Class III asbestos work means repair and maintenance operations, where ACM, including TSI and surfacing ACM and PACM, is likely to be disturbed.
Class IV Asbestos Work
Class IV asbestos work means maintenance and custodial activities during which employees contact but do not disturb ACM or PACM and activities to clean up dust, waste, and debris resulting from Class I, II, and III activities.
Clean Room
A clean room means an uncontaminated room having facilities for the storage of employees' street clothing and uncontaminated materials and equipment.
Closely Resemble
Closely resemble means that the major workplace conditions which have contributed to the levels of historic asbestos exposure are no more protective than conditions of the current workplace.
Competent Person
A competent person means, in addition to the definition in 29 CFR 1926.32 (f), one who is capable of identifying existing asbestos hazards in the workplace and selecting the appropriate control strategy for asbestos exposure, who has the authority to take prompt corrective measures to eliminate them, as specified in 29 CFR 1926.32(f): in addition, for Class I and Class II work, who is specially trained in a training course which meets the criteria of EPA's Model Accreditation Plan (40 CFR 763) for supervisor, or its equivalent and, for Class III and Class IV work, who is trained in a manner consistent with EPA requirements for training of local education agency maintenance and custodial staff as set forth at 40 CFR 763.92 (a)(2).
Critical Barrier
A critical barrier means one or more layers of plastic sealed over all openings into a work area or any other similarly placed physical barrier sufficient to prevent airborne asbestos in a work area from migrating to an adjacent area.
Decontamination Area
Decontamination area means an enclosed area adjacent and connected to the regulated area and consisting of an equipment room, shower area, and clean room, which is used for the decontamination of workers, materials, and equipment that are contaminated with asbestos.
Demolition
Demolition means the wrecking or taking out of any load-supporting structural member and any related razing, removing, or stripping of asbestos products.
DHHS
An abbreviation that stands for “Department of Health and Human Services.”
Director
Director means the Director of the National Institute for Occupational Safety and Health, U.S. Department of Health and Human Services, or designee.
Disturbance
Disturbance means activities that disrupt the matrix of ACM or PACM, crumble or pulverize ACM or PACM, or generate visible debris from ACM or PACM. Disturbance includes cutting away small amounts of ACM and PACM, no greater than the amount which can be contained in one standard sized glovebag or waste bag in order to access a building component. In no event shall the amount of ACM or PACM so disturbed exceed that which can be contained in one glovebag or waste bag which shall not exceed 60 inches in length and width.
Employee Exposure
Employee exposure means the exposure to airborne asbestos that would occur if the employee were not using respiratory protective equipment.
EPA
An abbreviation that stands for “Environmental Protection Agency.”
Equipment Room (Change Room)
Equipment room (change room) means a contaminated room located within the decontamination area that is supplied with impermeable bags or containers for the disposal of contaminated protective clothing and equipment.
Fiber
Fiber means a particulate form of asbestos 5 micrometers or longer, with a length-to-diameter ratio of at least 3 to 1.
Glovebag
Glovebag means not more than a 60x60 inch impervious plastic bag-like enclosure affixed around an asbestos-containing material, with glove-like appendages through which material and tools may be handled.
HEPA
An acronym that stands for “High-Efficiency Particulate Air.”
High-Efficiency Particulate Air Filter
High-efficiency particulate air filter means a filter capable of trapping and retaining at least 99.97 percent of a 0.3 micrometer diameter mono-disperse particles.
HCS
An abbreviation that stands for “Hazard Communication Standard”.
Homogeneous Area
A homogeneous area means an area of surfacing material or thermal system insulation that is uniform in color and texture.
HVAC
An abbreviation that stands for “Hazard Communication Standard”.
IARC
An acronym that stands for “International Agency for Research on Cancer.”
Industrial Hygienist
Industrial hygienist means a professional qualified by education, training, and experience to anticipate, recognize, evaluate, and develop controls for occupational health hazards.
Intact
Intact means that the ACM has not crumbled, been pulverized, or otherwise deteriorated so that the asbestos is no longer likely to be bound with its matrix.
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Modification for Purposes of Paragraph (g)(6)(ii)
Modification for purposes of paragraph (g)(6)(ii), means a changed or altered procedure, material, or component of a control system, which replaces a procedure, material, or component of a required system. Omitting a procedure or component or reducing or diminishing the stringency or strength of a material or component of the control system is not a “modification” for purposes of paragraph (g)(6) of CFR 29 1926.1101.
Negative Initial Exposure Assessment
Negative initial exposure assessment means a demonstration by the employer, which complies with the criteria in paragraph (f)(2)(iii) of CFR 29 1926.1101, that employee exposure during an operation is expected to be consistently below the PELs.
NESHAP
An acronym that stands for “National Emissions Standards for Hazardous Air Pollutants.”
NIOSH
An acronym that stands for “National Institute for Occupational Safety and Health.”
O&M
An abbreviation that stands for “Operations and Maintenance.”
OSHA
An acronym that stands for “Occupational Safety and Health Administration”.
PACM
An abbreviation that stands for “Presumed Asbestos Containing Material.”
PAPR
An abbreviation that stands for “Powered Air-Purifying Respirator.”
PCM
An abbreviation that stands for “Phase Contrast Microscopy.”
PEL
An abbreviation that stands for “Permissible Exposure Limit”.
PLM
An abbreviation that stands for “Polarized Light Microscopy.”
PPE
An abbreviation that stands for “Personal Protective Equipment”.
Presumed Asbestos Containing Material
Presumed asbestos containing material means thermal system insulation and surfacing material found in buildings constructed no later than 1980. The designation of a material as PACM may be rebutted pursuant to paragraph (j)(8) of CFR 29 1926.1101.
Project Designer
A project designer means a person who has successfully completed the training requirements for an abatement project designer established by 40 U.S.C. Sec. 763.90(g).
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Regulated Area
Regulated area means an area established by the employer to demarcate areas where airborne concentrations of asbestos exceed, or there is a reasonable possibility they may exceed, the permissible exposure limits.
Removal
Removal means all operations where ACM and/or PACM is taken out or stripped from structures or substrates and includes demolition operations.
Renovation
Renovation means the modifying of any existing structure, or portion thereof.
Repair
Repair means overhauling, rebuilding, reconstructing, or reconditioning of structures or substrates, including encapsulation or any other repair of ACM or PACM attached to structures or substrates.
SDSs
An abbreviation that stands for “Safety Data Sheets.”
Surfacing ACM
Surfacing ACM means surfacing material that contains more than 1 percent asbestos.
Surfacing Material
Surfacing material means material that is sprayed, troweled-on or otherwise applied to surfaces (such as acoustical plaster on ceilings and fireproofing materials on structural members, or other materials on surfaces for acoustical, fireproofing, and other purposes).
TEM
An abbreviation that stands for “Transmission Electron Microscopy.”
Thermal System Insulation
Thermal system insulation means ACM applied to pipes, fittings, boilers, breeching, tanks, ducts, or other structural components to prevent heat loss or gain.
Thermal System Insulation ACM
Thermal system insulation ACM means thermal system insulation which contains more than 1 percent asbestos.
TSI
An abbreviation that stands for “Thermal System Insulation.”
