Millirem definition

Millirem or “mrem” means the measure of the dose of any radiation to body tissue in terms of its estimated biological effect relative to a dose received from an exposure to one roentgen (R) of X-rays. One millirem equals 0.001 rem.
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Millirem. (mrem) means a unit of equivalent dose that is equal to one thousandth of a rem.
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Millirem means 1/1000 of a rem.
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Examples of Millirem in a sentence

  • Section 15.12.2.1, “Current Practice of a Few Millirem Per Year,” of NUREG-1757, states that the “few millirem” per year criterion encompasses a 0–0.05 millisieverts (mSv) per year, or0-5 millirem (mrem) per year, total effective dose equivalent.

  • If 2 or more radionuclides are present, then the sum of their annual dose equivalent to the total body or to any organ shall not be more than 4 millirem per year.Table 1 Average Annual Concentrations Assumed to Produce a Total Body or Organ Dose of 4 Millirem Per YearRadionuclideCritical organpCi per literTritiumTotal body20,000Strontium-90Bone marrow8(d) The maximum contaminant level for uranium is 30 micrograms per liter (ug/l).History: 1954 ACS 94, Eff.

  • In addition, “each package of Class 7 radioactive materials offered for transportation must be designed and prepared for shipment, so that under conditions normally incident to transportation, the radiation level does not exceed 200 Millirem per hour at any point on the external surface of the package, and the transport index does not exceed 10 (i.e., maximum dose rate at a distance 3.3 feet (1 meter) from any surface of the package)” according to (CFR, Title 49, Paragraph 173.441a).

  • Miscellaneous MLLW Mixed Low Level Waste MOL Minimum Operating Level MOX Mixed Oxide Fuel MR Mortgage Reduction Milestones mrem Millirem MSE/ER Molten Salt Extraction/Electrorefining NEPA National Environmental Policy Act Rocky Flats Closure Contract No. DE-AC34-00RF01904 NTS Nevada Test Site Ops.

  • Measuring Radiation - Rem and Millirem The term, rem, is a measure of any type of radiation in terms of the estimated biological effects.

  • Millirem: A unit used to represent the radiation dose for biological absorption.

  • H-73 Table H–65 Peak Annual Total Effective Dose Equivalent in Millirem Per Year for the Buttermilk CreekResident Farmer (year of peak exposure in parentheses) – Unmitigated Erosion ............................

  • As outlined in Section 15.12.2.1, “Current Practice of a Few Millirem Per Year,” of NUREG-1757, Volume 1, Revision 2, the practice of approving onsite disposals includes constraining doses to a few mrem per year, generally considered to be less than 0.05 mSv/yr (5 mrem/yr).

  • For this label, the radiation exposure level shall be between 0.5 Millirem and 50 Millirem per hour at any point on the external surface of the package and shall not exceed 1.0 Millirem per hour at 3.3 feet (1 meter) from the external surface of the package.

  • H-71 Table H–63 Peak Annual Total Effective Dose Equivalent in Millirem Per Year for the Niagara RiverReceptor (year of peak dose in parentheses) – Loss of Institutional Controls After 100 Years .......

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