Asbestos test Exam Questions With 100% Correct Answers

Asbestos test Exam Questions With 100% Correct Answers 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. . - answerSynergistic effect Which of the following activities are expected to create high concentrations of asbestos in the air (Class 1 work according to OSHA)? - answeraggressive 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 ___ - answer0.1 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. . - answerthe competent person representing the employer According to EPA & OSHA, asbestos materials that are being abated must be - answerwet down before they removed/wet down during the removal & bagged wet When is the removal of dry asbestos allowed by the regulations? - answerwhen 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. . - answerfifteen minutes Generally, asbestos related diseases. . - answerare incurable/take a long time to appear/& are preventable What are the main properties of asbestos minerals? - answerfire resistant/durability& resistance to acids what fiber type is most commonly found in asbestos products? - answerchrysotile Eating, smoking, & drinking are activities not allowed in the work area. Temporary exceptions are granted. . - answerThere are no exceptions Which of the following are asbestos related diseases are noncancerous? - answermesothelioma & pleural plaques with respect to asbestos related diseases the term "latency period" means. . - answerthe (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 . . - answerevery year The EPA guidelines require asbestos waste to be buried under how much soil? - answer3 feet According to OSHA standards, which of the following is the responsibility of the employer? - answeremployee exposure monitoring/personal protective equipment/ & hygiene facilities The selection of respirators is made based on. . - answerthe 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? - answerinhalation and ingestion The use of ground fault circuit interrupter (GFCI) is required for preventing what kinds of accidents? - answerelectrocutions 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? - answer0.5 fibers/cc which of the following activities will invalidate the NIOSH certification of a respirator? - answerswitching 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) - answer100,000 fibers/m3 Under what conditions can workers bypass decontamination requirements? - answeronly in case of emergency to life or health Which statement is true about enclosures performed on asbestos containing materials? - answerThey must be impact resistant According to EPA guidelines asbestos waste must. . - answerBe 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? - answerWhen 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? - answerFour classes