Riverland Solar Panel Cleaning and Carpet Cleaning.

http://www.icsmag.com/articles/the-difference-between-a-spot-and-a-stain You can find the answer here:

http://www.carpet-and-rug-institute-blog.com/2011/04/childhood-asthma-study-carpet-vs.html

http://carpetology.blogspot.com.au/2011/04/for-asthma-should-i-remove-my-carpet.html

http://www.facebook.com/Crispclean