Asbestos test Questions and Answers Rated A+

Asbestos test Questions and Answers Rated A+ Individuals who smoke and are exposed to asbestos gave a much greater chance of contracting lung cancer than those who do not; the compound effect of both carcinogens can be called. . Synergistic effect Which of the following activities are expected to create high concentrations of asbestos in the air (Class 1 work according to OSHA)? aggressive maintenance activities around thermal system insulation (TSI) and renovation activities on trawled-on surfaces OSHA's permissible exposure limit (PEL) in an 8 hr TWA is ___ & the Excursion Limit (EL) is ___ 0.1 fibers/cc & 1 fiber/cc x 30 min. max. Under the OSHA, asbestos standard, employees have the right to know how much asbestos they are exposed to and what measures are being taken to protect them; this information must be provided by. . the competent person representing the employer According to EPA & OSHA, asbestos materials that are being abated must be wet down before they removed/wet down during the removal & bagged wet When is the removal of dry asbestos allowed by the regulations? when working around the electrical system & only in the extreme cold Negative air systems must change the air inside the contaminated area a minimum of every. . fifteen minutes Generally, asbestos related diseases. . are incurable/take a long time to appear/& are preventable What are the main properties of asbestos minerals? fire resistant/durability& resistance to acids what fiber type is most commonly found in asbestos products? chrysotile Eating, smoking, & drinking are activities not allowed in the work area. Temporary exceptions are granted. . There are no exceptions Which of the following are asbestos related diseases are noncancerous? mesothelioma & pleural plaques with respect to asbestos related diseases the term "latency period" means. . the (usually long) time it takes for disease symptoms to appear after exposure According to OSHA, the frequency of medical surveillance required for workers exposed permissible exposure limit is . . every year The EPA guidelines require asbestos waste to be buried under how much soil? 3 feet According to OSHA standards, which of the following is the responsibility of the employer? employee exposure monitoring/personal protective equipment/ & hygiene facilities The selection of respirators is made based on. . the exposure assessment based on previous area samples/ & the results of personal air monitoring What are the main routes of entry for asbestos fibers into our bodies? inhalation and ingestion The use of ground fault circuit interrupter (GFCI) is required for preventing what kinds of accidents? electrocutions If the concentration outside the respirator is 5 fibers/cc and the worker is wearing a respirator with a protection factor of 10, what may be the concentration found inside the respirator? 0.5 fibers/cc which of the following activities will invalidate the NIOSH certification of a respirator? switching parts between manufactures/wearing the respirator with a beard/ & wearing the same brand, but different size respirator when the concentration of fibers in the air is 0.1 fibers/cc, how many fibers would we find in 1 m3? (note: there are one million cubic centimeters in a cubic meter) 100,000 fibers/m3 Under what conditions can workers bypass decontamination requirements? only in case of emergency to life or health Which statement is true about enclosures performed on asbestos containing materials? They must be impact resistant According to EPA guidelines asbestos waste must. . Be placed in double labeled asbestos waste disposable bags/be placed in leaktight containers/be disposed in an EPA approved waste sites How often must a worker be evaluated for respirator fit? When switching respirator manufacturers/every six months/when facial structure change occurs How many classes of asbestos work are classified by OSHA construction standards for asbestos? Four classes According to oh shows respiratory standards for asbestos abatement, what is the maximum use for PAPR on a class one job? One fibers/cc Which of the following are respiratory system defenses? Nose hair and mucous/Celia and white blood cells What are the components of an emergency evacuation plan? Universal alarms, marked emergency exits and emergency phone numbers and evacuation routes How often should filters be changed in air purifying respirator's Every day and when the worker detects breathing resistance across the filter or when the filters get bad What is the name of the passage use when performing quantitative fit testing? The rainbow passage What is the maximum height allowed on a freestanding scaffold with a base dimension of 4 feet? 16 inches What is the identifying color for fibers used in asbestos work? Purple magenta Signs of carbon monoxide poisoning include. . Dizziness nausea and headaches The major symptoms of heat stroke are. . Hot dry skin The OSHA mandated medical model running for asbestos workers include. . A medical questionnaire for the first year, a long capacity test, a medical examination What is the primary reason for wearing disposable close inside of the work area? To prevent carry contamination outside of the work area How many years must medical records be kept for asbestos workers? 30 years What is the minimum thickness of the polyethylene used in asbestos projects? 6 mill What type of ladders are allowed to be used in an asbestos project? Wood and fiberglass ladders What is considerate a secondary mean of calibration for air sampling pumps? Rotometer OSHA compliance personal air monitoring must be "representative" what does representative mean? All workers in the jobsite must be monitored What is the required flow rate for personal air sampling pumps? 0.5 - 2.5 lt /min