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Therefore, an employer that requires an employee to
travel, say by jet aircraft at high altitudes, is supposed to account for the
high altitude exposure (not natural background, per se, but maybe enhanced by
the high altitude of the flight) and the additional exposure from penetrating
x-rays at the airport....really?
H. Dean Chaney, CHP
URS Corp. Sacramento, CA (916) 679-2086 "In science there is only physics; everything else is stamp
collecting."
--Ernest Rutherford
Actually, what the regs say is: "Occupational dose means the dose received by an individual in the course of employment in which the individual's assigned duties involve exposure to radiation or to radioactive material from licensed and unlicensed sources of radiation, whether in the possession of the licensee or other person. Occupational dose does not include dose received from background radiation, from any medical administration the individual has received, from exposure to individuals administered radioactive materials and released in accordance with Sec. 35.75, from voluntary participation in medical research programs, or as a member of the public." Again: "exposure...from licensed and unlicensed sources of radiation, whether in the possession of the licensee or other person." That is, ALL licensees, must account for ALL dose, with exceptions noted in the definitions (i.e., background, medical exposures, etc.). If YOU are the licensee that knocks a person over the limit, even if they're getting dose from five other licensees, YOU are the responsible party. Barbara |