Mesothelioma Navy Mesothelioma Navy Industry Standards 3

Question 1

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

Accepted Answer

1970s

Answer

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

Question 2

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

Accepted Answer

5.0 f/cc

Answer

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.

Question 3

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

Accepted Answer

Hazardous Material Information System (HMIS)

Answer

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

Question 4

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

Accepted Answer

To prevent asbestos fibers from escaping into surrounding areas

Answer

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

Question 5

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

Accepted Answer

Pleural mesothelioma

Answer

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.

Mesothelioma Navy Practice Test

Mesothelioma Navy Practice Test

Mesothelioma Navy Mesothelioma Navy Industry Standards 3