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Mesothelioma Navy Industry Standards Flashcards

7 cards from real Mesothelioma Navy practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which decade saw the US Navy begin phasing out asbestos-containing materials from new ship construction?

    Answer: 1970s

    The Navy began significantly phasing out asbestos in new construction during the 1970s following growing evidence of health hazards.

  2. Under OSHA's asbestos standard (29 CFR 1915) for shipyards, what is the excursion limit for a 30-minute short-term exposure?

    Answer: 5.0 f/cc

    OSHA sets the short-term excursion limit at 1.0 f/cc for a 30-minute period under 29 CFR 1926.1101 (construction) and shipyard standards.

  3. Which Navy document classification system was used to track hazardous materials, including asbestos, aboard ships?

    Answer: Hazardous Material Information System (HMIS)

    The Hazardous Material Information System (HMIS) was the Navy's database for tracking hazardous materials including asbestos aboard vessels.

  4. What is the primary purpose of a negative-pressure enclosure during Navy asbestos abatement operations?

    Answer: To prevent asbestos fibers from escaping into surrounding areas

    Negative-pressure enclosures contain asbestos fibers within the work area by keeping air pressure lower inside than outside.

  5. Which type of mesothelioma is most commonly diagnosed in Navy veterans exposed to asbestos in shipyard environments?

    Answer: Pleural mesothelioma

    Pleural mesothelioma, affecting the lining of the lungs, is the most common form and accounts for about 75% of all cases, including those in Navy veterans.

  6. Under NAVSEA standard items, how long must asbestos exposure records be retained for Navy shipyard workers?

    Answer: 30 years from date of employment termination

    OSHA and Navy regulations require asbestos exposure records to be retained for 30 years after termination of employment.

  7. What term describes asbestos-containing materials that can be crumbled by hand pressure and pose the greatest inhalation risk?

    Answer: Friable asbestos

    Friable asbestos can be reduced to powder by hand pressure and readily releases fibers into the air, creating significant inhalation hazards.