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PAC 1:  Basic Criteria, Epidemiology, Radiobiology and Risk

Program Area Committee (PAC) 1 oversees work on basic criteria, epidemiology, radiobiology and risk. Within the scope of PAC 1 are six committees: SC 1-13 on Impact of Individual Susceptibility and Previous Radiation Exposure on Radiation Risk for Astronauts, SC 1-15 on Radiation Protection and Science Goals for Short-Term Lunar Missions, SC 1-16 on Uncertainties in the Estimation of Radiation Risks and Probability of Disease Causation, SC 1-17 on Second Cancers and Cardiopulmonary Effects After Radiotherapy, SC 1-18 on Use of Ionizing Radiation Screening Systems for Detection of Radioactive Materials That Could Represent a Threat to Homeland Security, and SC 1-19 on Health Protection Issues Associated with Use of Active Detection Technology Security Systems for Detection of Radioactive Threat Materials.

An authorized but unfunded activity within this program area is:

• lung cancer risks from inhaled radionuclides

PAC 1 held a workshop on low-dose radiation effects on December 1-2, 2008. This workshop represents an important initial step in writing an NCRP proposal to be submitted to several government agencies for funding to prepare a major new NCRP report in the 2011 to 2016 timeframe on low-dose radiation effects and human health implications. A primary emphasis of the workshop was the scientific basis for developing reliable, predictive models of biological and human health effects of low-dose radiation and their regulatory implications. A summary of the workshop will be issued in 2010.

The Committee met on March 7, 2010 in conjunction with the NCRP Annual Meeting. All of the ongoing scientific committees’ progress in preparing their reports was reviewed. In addition, there was an extensive discussion of the focus of future NCRP reports related to the biological effects of exposure to low doses of ionizing radiation.

The Committee will meet on March 7, 2010 in conjunction with the NCRP Annual Meeting.

SC 1-13 Impact of Individual Susceptibility and Previous
Radiation Exposure on Radiation Risk for Astronauts >

SC 1-15 Radiation Protection and Science Goals
for Short-Term Lunar Missions >

SC 1-16 Uncertainties in the Estimation of Radiation Risks
and Probability of Disease Causation >

SC 1-17 Second Cancers and Cardiopulmonary
Effects After Radiotherapy >

SC 1-18 Use of Ionizing Radiation Screening Systems for Detection of Radioactive
Materials That Could Represent a Threat to Homeland Security >

SC 1-19 Health Protection Issues Associated with Use of Active Detection
Technology Security Systems for Detection of Radioactive Threat Materials >

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