KERALA PSC / BIOLOGY / MOST CONTAMINATED LAKE / NOTES
/ OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC
PRELIMINARY
KERALA PSC / BIOLOGY / MOST CONTAMINATED LAKE / NOTES
/ OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC
PRELIMINARY
Lake Karachay in the Cheliabinsk province of Russia
has accumulated 120 million curies of radioactivity and absorbs nearly 100
times more strontium -90 and caesium -137 than was released at Chernobyl in
1986. If a person stands on the shore of the lake, he would receive a radiation
exposure rate of 600 roentgens an hour. This is 2000 times greater radiation
that that emitted during a normal chest X-ray and is strong enough to kill a
person in an hour. The plant was shut down in 1990, but radiation still emitted
either evaporates and is dispersed by the wind, or is absorbed by sand
particles and sediment at the bottom of the lake.
KERALA PSC / BIOLOGY / MOST CONTAMINATED LAKE / NOTES
/ OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE / KERALA PSC
PRELIMINARY
No comments:
Post a Comment