Nuclear Health Physics

4-002) The EPA’s drinking-water regulations for community water systems, as outlined in the National Interim Primary Drinking Water Regulations (EPA-570/9-74-003) for gross alpha (including Ra-226 but excluding radon and uranium) is:

4-003) A worker at an NRC regulated facility receives a total effective dose equivalent of 27 rem. What type of notification is required?

4-004) A worker at a nuclear power facility receives a total effective dose equivalent of 6 rem during his 12-hour shift. What type of notification is required?

4-013) According to NCRP Report 116, the cumulative effective dose is

4-015) A worker received a lung dose of 12mGy from alpha radiation from an internally deposited radionuclide and a 40-mGy uniform, whole-body dose from external gamma radiation. What is the effective dose?

4-017) 10CFR20 defines all of the following as extremities except the:

4-018) Following NRC guidance in 10CFR20, what is the specified frequency for leak testing a large sealed source?

4-026) Following the 10CFR20, planned special exposures are

4-027) The number of tissue weighting factors used by the NRC in 10CFR20 (ICRP 26) and the ICRP in Publication 60, excluding remainder organs are:

4-030) What is the annual eye dose equivalent limit at NRC licensed facilities?

4-031) At what depth is the shallow dose equivalent evaluated?

4-032) Which of the following doses requires an immediate report to the US NRC?

4-033) The NRC requires that workers exceeding what percentage of the annual dose limit be monitored for radiation exposure?