126 lines
7.1 KiB
Plaintext
126 lines
7.1 KiB
Plaintext
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Note: file for 80-column printout
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LD-50 (lethal dose for 50% of exposed population) EXPOSURE DOSES FOR VARIOUS
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ANIMALS AND PLANTS
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Organism LD-50 in RADS
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Dogs, pigs 300
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Goats 350
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MAN 400
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Mice, monkeys 450
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Sheep 540
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Fish/shellfish 550 to 100,000
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Cattle,rats,horses 630
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Rabbits 800
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Chickens 1000
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Insects 5000+
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Turtles 15000
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Bacteria/viruses 100000
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LD-90
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Cabbage,spinach 14000
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LD-100
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Onions 2000
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Oats 3300
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Barley,rye,wheat,
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and corn 4300
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Fruits and grasses 5000+
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Potatoes 12000
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Tomatoes 15000
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CLINICAL EFFECTS ARISING FROM RAPID WHOLE-BODY DOSES OF IMMEDIATE GAMMA
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RADIATION OR THE SAME AMOUNT OF RADIATION ACQUIRED IN THE COURSE OF ONE HOUR
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Note:that the human body can stand MUCH more radiation if the radiation is
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spread out over a longer time (see below for longer time exposures).
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Whole body Incapacity Death in Survivors Clinical effects/therapy
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dosage in in exposed exposed period of
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RADS persons persons Convalescence
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0-25 0% 0% n/a Practically no "short-term" effects.
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May be some blood cell changes./ None
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required, just reassurance.
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25-100 0-25% 0% 7 days A small amount of nausea and sickness
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for highest dose level. Blood changes
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noticable./ Reassurance, rest, and
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blood counts checks, if possible.
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100-200 25-100% approx. Up to Definate identifiable changes in blood
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25% in about cells. Highest dose causes hair loss,
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30-60 40 livid skin spots, nausea,vomiting,
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days. days. diarrhea,fevers,hemorrages, and great
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fatigue. Heart failure in some./ Rest
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reassurance,blood cell count,light
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diet,antibiotics.
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200-400 100% 25-50% Several Symptoms as above but more severe.
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in 30 weeks Fatal to 25% in low range, 50% in high
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to 60 to range./Same as above but blood trans-
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days. months. fusion(if possible)may help recovery.
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Sedatives for bad cases.
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400-600 100% 50-75% Several Symptoms as above but now very severe
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in 20 months and occuring soon after exposure.
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to 35 to Death will occur within shorter time
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days. years. span./Survivors will require all the
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above + a bone marrow transplant if
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possible. Sedatives for bad cases.
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600-800 100% 75-99% Years Symptoms as above but the circulatory
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in days. system and parts of the central nervous
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system malfunction rapidly./Treatment as
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above but mainly supportive because of
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probability of death. Maintaining electrolytes
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may assist victim.
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800-5000+ 100% 100% Outcome very rapid indeed. Vomiting,falling
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in blood count,diarrhea,great fatigue,internal
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hours. bleding,organs fail,nervous system collapse
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heart failure/coma - death./ Purely supportive
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therapy, no possible recovery.
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Again, as these doses are immediate or one hour doses, these are strictly
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worse case possible results. The same dosage acquired over a longer time span
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would have significantly less drastic effects. (see below for time table)
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The above is taken from the very fine book SURVIVING DOOMSDAY-C.Bruce Sibley.
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Available from Journal of Practical Civil Defence
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11 Newport Cresent,Waddington
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Lincolnshire,LN5 9LZ, England for $15.00,postpaid or at your
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friendly survivalist bookstore. This book's missiles table are outdated, but
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the rest of the book is one of the best I have seen. Ken
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The body can handle and repair a certian amount of free radical damage whether
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it is caused by radiation, drinking alcholol, heavy labor, heavy exercise,
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eating slightly rancid food, or from wounds. The following table shows this
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ability of the body to repair itself to a limited extent.
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Medical care needed by Accumulated Radiation Exposures (R) over a period of
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One week One month Four months
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None, no deaths 150 R 200 R 300 R
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Some, 5% may die 250 R 350 R 500 R
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Most, 50% may die 450 R 600 R
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The above chart is from Richard C. Oster Sr.'s article in Journal of Civil
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Defense Oct 1987, Fallout Radiation: Levels and Effects.
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(Note that the same exposure over 4 months causes 5% deaths whereas the same
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exposure over 1 hour causes 50+% deaths)
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A further note. It has been stated that a daily radiation exposure of 3-12
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rads per day will cause no short term effects. This is true to a limited
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extent. However, in radiation therapy where the typical daily dose is 15 Rads
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whole body, is has been noted that serious blood changes occur when day after
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day exposures hit around 150-200 R cumlative. Even if exposure is halted at
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that point, blood components will continue to deteriorate for the next 25-35
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days.
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The reason for the variance of outcome in exposure RATES is that radiation
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of the type that we are talking of is ionizing radiation. Ionizing radiation
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causes the formation of free radicals in the body. Radiation sickness is a
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free radical disease just as a hang-over is. The body can handle a certian
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amount of free radicals before the free radicals overwhelm the body's free
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radical scavenging system. When overwhelmed, part of the free radical damage
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consists of damage to the body's free radical scavenging system creating
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a vicious cycle. The body's ability to scavenge free radicals may be improved
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by a factor of three using various vitamins and minerals (see the three books,
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LIFE EXTENSION - A PARTICAL SCIENTIFIC APPROACH, THE LIFE EXTENSION COMPANION,
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THE LIFE EXTENSION WEIGHT LOSS PROGRAM by Durk Pearson & Sandy Shaw).
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The reason for the vairiance of outcome from exposure DOSES is that there
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is a wide variance in people's ability to handle free radicals. This is based
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on genetics, age, state of physical conditioning, overall health, and quality
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of nutrition.
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