Asbestos Supervisor Initial

A duct which transports combustion gases from a boiler or heater to chimney/stack. Also called a flue.

A coating applied to the surface of ACM that acts as barrier sealing asb fibers from env.

• ACM packings, gaskets, resilient floor covering, & asphalt roofing products containing > 1% asb.
• Defined by USEPA NESHAP regulation.

• Any ACM not Cat I... 
• Ex. asb cement products

• Only asb-form mineral of the serpentine group.
• Most common form used.
• White asb

Located in clusters around the respiratory bronchioles of the lungs - where true respiration occurs.

Tiny hair-like structures in windpipe & bronchi, which beat upward to force out particles, fibers, & liquids up & out of lungs.

Form of ins which a claim is allowed only if ins is in effect when claim is made; when injury or effect is observed.

Form of ins which a claim is allowed regardless of when claim is filed. Occurrence could be the time of first exposure.

• Removal of surfacing or TSI ACM/PACM. 
• Defined by OSHA Asb Construction Standard

• Removal of ACM/PACM that's not surfacing or TSI.
• OSHA Construction Standard

• Repair & maintnc activities involving disturbance of ACM/PACM - up to 1 glovebag/disposal bag
• OSHA Construction Standard

• Housekeeping/custodial activities where ACM/PACM may be contacted/disturbed.
• OSHA Construction Standard

Any other type of activity covered under the OSHA Contruction Standard's scope

• OSHA  - one capable of:
• identifying existing asb hazards in workplace and selecting appropriate control strategy for asb exposure
• has authority to take prompt corrective measures to eliminate hazard

One or > layers of plastic sealed at openings to work area, or other physical barrier sufficient to prevent airborne asb from migrating to adj area

• Amphibole group
• Strongest of asb minerals
• Minor commercial use
• Blue asb

• Enclosed area adj & connected to the regulated area
• For Class I activities will consist of: equipment room, shower area, & clean room

Wrecking/taking out any load-barring structural member

Use of an agent to seal the surface or penetrate the bulk of ACM.

A resilient structure built or sprayed around ACM designed to prevent disturbance & contain released fibers.

• A level of airborne fibers specified by OSHA as a short term excursion level.
• Current EL = 1.0 f/cc of air, over a 30-min time-weighted ave (measured w phase contrast microscopy)

Fibers per cubic centimeters of air

Covers the insured for damage to property & person caused by insured's negligence.

Interpretation & evaluation of physical assessment data in order to set abatement priorities & rankings are  based on anticipated exposure to asbestos fibers.

High Efficiency Particulate Air

Retains 99.97% particles 0.3 micrometers in diameter.

Local Education Agency - Authority responsible for complying w AHERA

• Building materials that are not TSI or surfacing materials (ie. floor/ceiling tiles)
• AHERA defined

• Permissible Exposure Limit
• OSHA defined occupational exposure standard

Negative Exposure Assessment - data demonstrated by employer verifying employee exposure is below PELs as defined by OSHA

Respirator functions by user breathing in air through a filter.

National Emission Standards for Hazardous Air Pollutants - EPA regulation 40 CFR subpart M, Part 61

National Institute for Occupational Safety & Health - est 1970

Specific procedures & practices developed for the interim control of ACMs in buildings until removed.

• Occupational Safety & Health Administration - est from Occupational Safety & Health Act of 1970
• Enforcement of health in workplace environment

• Level of airborne fibers spedified by OSHA as occupational standard for asb.
• Current asb PEL = 0.1 f/cc air per 8 hr time-weighted average (meas phase contrast micro)

Optical microscopic technique used for the counting of fibers in air samples, but does not distinguish fiber types.

• Horizontal space designed to transport air thru bldg.
• Commonly the space btwn dropped ceiling & floor above.

Thin membrane surrounding the lungs, which lines the internal surface of the chest cavity.

Uses polarized light microscope - stage & cross hair reticle used to count only particles directly under the cross

Optical microscopy technique to analyzed asb bulk samples, illuminated w polarized light to distinguish btwn diff types asb fibers by shape & unique optical properties.

Function by providing pressured air to the user.

• Reflects degree of protection provided by respirator
• Calculated by: outside containment concentration/inside mask conc

Presumed ACM - asb-containing thermal system insulation & surf materials found in a bldg constructed no later than 1980 (OSHA reg).

Method to test respirator seal by covering the inhalation/exhalation valves while lightly breathing in or out to determine presence of leaks.  AKA - User Seal Check

Method to test respirator seal by calculating conc of contaminants inside vs. outside mask.

• 1. Friable
• 2. Cat I non-fri that has become friable
• 3. Cat I that will be or has been subjected to grinding/cutting.... demo/renov
• 4. Cat II non-fri that has high prob of becoming friable via renov/demo
• USEPA NESHAP reg subpart 61.141 of 40 CFR Part 61

Combo of effects which is greater than the sum of two independent effects

A legal wrong due to negligence

• Method of microscopy that uses electron beam focused onto then sample; beam penetrates (transmits) through the sample; diff in densities makes image on fluorescent screen where fibers can be counted.
• Air sample analysis