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  1. Newsgroups: talk.environment
  2. Path: sparky!uunet!spool.mu.edu!sdd.hp.com!news.cs.indiana.edu!noose.ecn.purdue.edu!gn.ecn.purdue.edu!constant
  3. From: constant@gn.ecn.purdue.edu (Tino)
  4. Subject: Re: "SECRET FALLOUT, Low-Level Radiation from Hiroshima to TMI" [1/15]
  5. Message-ID: <1993Jan5.024824.297@gn.ecn.purdue.edu>
  6. Keywords: RADIATION!!! RUN!! DUCK AND COVER!!
  7. Organization: Purdue University Engineering Computer Network
  8. References: <1993Jan4.225518.11766@odin.corp.sgi.com>
  9. Date: Tue, 5 Jan 93 02:48:24 GMT
  10. Lines: 55
  11.  
  12. Dave, since you are about to post several more megabytes of crap, without
  13. the acknowledgement of "just where radiation comes from", I'll do it for 
  14. you. This will probably be reposted every time you fill up the newsgroup
  15. with more of your tripe.
  16.  
  17.  
  18. Average annual individual doses in mrems from natural and man-made         
  19. radiation sources:
  20.  
  21. Source                   Exposed Group    Body Portion Exposed    Indiv. Dose
  22. ------------------------------------------------------------------------------
  23. Natural Radiation:
  24.   External sources:
  25.     Cosmic Rays          Total population      whole body              28
  26.     Terrestial gammas    Total population      whole body              26
  27.     Radon and daughters  Total population      bronchial epithelium  ~150
  28.   Internal sources:
  29.     K-40                 Total population      gonads                  19
  30.                                                bone marrow             15
  31.     Heavy elements       Total population      gonads                   8
  32.                                                bone marrow              8.5
  33.     C-14                 Total population      gonads                   0.7
  34.                                                bone marrow              0.7
  35.     Rb-87                Total population      gonads                   0.3
  36.                                                bone marrow              0.6
  37.  
  38. Man-made Radiation:
  39.   Medical x-rays         Adult patients        bone marrow            103
  40.                          Medical personnel     whole body             300-350
  41.   Dental x-rays          Adult patients        bone marrow              3
  42.                          Dental personnel      whole body              50-125
  43.   Radiopharmaceuticals   Patients              bone marrow            300
  44.                          Medical personnel     whole body             260-350
  45.   Weapons fallout        Total population      whole body               4
  46.   Nuclear power cycle    Population<10 miles   whole body               1
  47.                          Workers               whole body             200-400
  48.   Building materials    Brick,masonry dwellers whole body               7
  49.   Air Travel             Passengers            whole body               3
  50.                          Crew                  whole body             160
  51.   Television             Viewers               gonads                   0.2-1.5
  52.   Tobacco                Smokers (1.5 packs/d) bronchial epithelium  8000
  53.  
  54. Taken from: National Academy of Sciences, "The Effects on Populations of
  55. Exposure to Low Levels of Ionizing Radiation"; IAEA, "Nuclear Power, The
  56. Environment, and Man"; National Council on Radiation Protection and 
  57. Measurements, "Natural Background Radiation in the United States"; U.S. EPA,
  58. "Radiological Quality of the Environment of the United States"
  59.  
  60. Tino
  61.  
  62. -- 
  63.      "Here are the young men, the weight on their shoulders..." - J.D.
  64. ----------------------------------------------------------------------------
  65.              Purdue University School of Nuclear Engineering
  66. ----------------------------------------------------------------------------
  67.