Air+Polluition+Sampling+08

http://loke.as.arizona.edu/~ckulesa/camp/spectroscopy_intro.html
 * Spectroscopy**

By shining light through the air and analysing the way light reacts with the substances they can judge air pollution.


 * Electron Microscopy**

By examining particles through an electron microscope you can observe and measure the solid particles in air pollution.