6.Al3 Table 6.A4: HUMAN REM ALLOWANCES Whole-body Radiation Dose Rates(6.A2) .001 rem/day Natural background .01 rem/day Permissible dose as of 1957 . 1 rem/ day Permissible dose 1930 - 1950 1 rem/day Debilitation 3-6 months; death 3-6 years 10 100 150 300 25 100 500 rem/day rem/1 day ' rem/1 week ( rem/1 monthf rem · rem rem Target Dose • 5 r em/year (Projected from animal data) Debilitation 3-6 weeks; death 3-6 (Projected from animal data) Survivable emergency exposure but permitting no further exposure for l ife. Single emergency exposure Twenty-year career allowance years Maximum permissible twenty-year career allowance Recommended maximum for pregnant women and children(6.A3) Whole Body Sun Doses(6.A4) 1600 rem Maximum permissible integrated dose, Apollo 350 rem/year Maximum permissible yearly dose, Apollo 700 rem Maximum permissible single dose, Apollo Blood-Forming Organs and Eyes(6.A4) 220 rem 55 rem/year 200 rem Maximum permissible integrated dose, Apollo Maximum permissible yearly dose, Apollo Maximum permissible single dose, Apollo Feet, Ankles and Hands<6-A4) 4000 rem 770 rem/year 980 rem Maximum permissible integrated dose, Apollo Maximum permissible yearly dose, Apollo Maximum permissible single dose, Apollo Medical Effects Thresholds, Acute Exposures(6.A5) 25-75 rem 25-200 rem 200-600 rem 600-1000 rem 1 ~ ~=:~~~=~ter} No observable changes in body function behavior, but skin damage and nervous disorder possible White blood cell and platelet depression Nausea and vomiting, possibly fatal Probably fatal Gonad limit
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