{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Radon_Part_1_S11

Radon_Part_1_S11 - Radon Part 1 GLY 4241 Lecture 9 Spring...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Radon, Part 1 GLY 4241 - Lecture 9 Spring, 2011
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
2 Radiation Radiation is one of many areas that have become of concern to environmental scientists Radiation comes from two sources Natural processes Man
Background image of page 2
3 Natural Radioactivity Two kinds Short lived nuclides formed by cosmic ray interactions with the atmosphere Long lived isotopes that have persisted since planetary formation May be concentrated by natural or anthropogenic processes
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
4 Common Long-Lived Isotopes Uranium 235 U 238 U Thorium 232 Th All decay to yield isotopes of lead
Background image of page 4
232 Th Decay Series 5
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
235 U Decay Series 6
Background image of page 6
238 U Decay Series 7
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
8 Properties of Radon Colorless, odorless gas Atomic number 86 Permissible Concentration 0.4 x 10 -2 picoCuries/cm 3 , or 4 picoCuries/liter Equivalent to 148 Bq/m 3
Background image of page 8
9 Radon Isotopes
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Human Radiation Exposure Source Average annual exposure, mSv/ yr Radon 1.2 Cosmic rays and terrestrial γ rays 1.2 Frequent Flyer 0.5 Diagnostic medical procedures
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 22

Radon_Part_1_S11 - Radon Part 1 GLY 4241 Lecture 9 Spring...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online