skip to main content

H.R. 4675 (115th): Low-Dose Radiation Research Act of 2018

Call or Write Congress

About the bill

Source: Republican Policy Committee

H.R. 4675 provides doctors and government agencies with evidence-based research on the effects that low-dose radiation exposure has on the population. Specifically, the legislation:

  • Directs the Department of Energy (DOE) to carry out a basic research program on low-dose radiation within the Office of Science
  • Directs DOE to identify ongoing scientific challenges in low dose radiation research and to develop a long-term basic research plan that addresses these challenges while leveraging the existing body of scientific knowledge and engaging with the international research community
  • Directs DOE to consult with NASA, the National Institutes of Health, the EPA, the DOD, the Nuclear Regulatory Commission, and the Department of Homeland Security in carrying out this program
  • Requires DOE to provide Congress with a 4-year research plan that identifies and prioritizes basic ...

Sponsor and status

Roger Marshall

Sponsor. Representative for Kansas's 1st congressional district. Republican.

Read Text »
Last Updated: Feb 14, 2018
Length: 6 pages
Dec 18, 2017
115th Congress (2017–2019)
Died in a previous Congress

This bill was introduced in a previous session of Congress and was passed by the House on February 13, 2018 but was never passed by the Senate.

Although this bill was not enacted, its provisions could have become law by being included in another bill. It is common for legislative text to be introduced concurrently in multiple bills (called companion bills), re-introduced in subsequent sessions of Congress in new bills, or added to larger bills (sometimes called omnibus bills).


4 Cosponsors (3 Republicans, 1 Democrat)


Position statements

What legislators are saying

Rep. Marshall's Low Dose Radiation Bill Unanimously Passes House
    — Sen. Roger Marshall [R-KS] (Sponsor) on Feb 13, 2018

THIS WEEK IN CONGRESS - Fostering good relations with China
    — Rep. Gregorio Sablan [D-MP0] on Feb 20, 2018

On the House Floor This Week - 2/12/18
    — Rep. John Delaney [D-MD6, 2013-2018] on Feb 12, 2018

More statements at ProPublica Represent...

What stakeholders are saying

R Street Institute estimates H.R. 4675 will add $96 million in new spending through 2022.


Dec 18, 2017

Bills and resolutions are referred to committees which debate the bill before possibly sending it on to the whole chamber.

Jan 10, 2018
Ordered Reported

A committee has voted to issue a report to the full chamber recommending that the bill be considered further. Only about 1 in 4 bills are reported out of committee.

Feb 13, 2018
Passed House (Senate next)

The bill was passed in a vote in the House. It goes to the Senate next. The vote was by voice vote so no record of individual votes was made.

Feb 13, 2018
Reported by House Committee on Science, Space, and Technology

A committee issued a report on the bill, which often provides helpful explanatory background on the issue addressed by the bill and the bill's intentions.

H.R. 4675 (115th) was a bill in the United States Congress.

A bill must be passed by both the House and Senate in identical form and then be signed by the President to become law.

Bills numbers restart every two years. That means there are other bills with the number H.R. 4675. This is the one from the 115th Congress.

This bill was introduced in the 115th Congress, which met from Jan 3, 2017 to Jan 3, 2019. Legislation not passed by the end of a Congress is cleared from the books.

How to cite this information.

We recommend the following MLA-formatted citation when using the information you see here in academic work:

“H.R. 4675 — 115th Congress: Low-Dose Radiation Research Act of 2018.” 2017. September 24, 2021 <>

Where is this information from?

GovTrack automatically collects legislative information from a variety of governmental and non-governmental sources. This page is sourced primarily from, the official portal of the United States Congress. is generally updated one day after events occur, and so legislative activity shown here may be one day behind. Data via the congress project.