Hi, one of your tips for improving indoor air quality is to "de-shoe" at the door — you cite a statistic that 90 percent of pesticide exposure occurs in the home. Do you know where that statistic comes from.

I'm looking for some concrete stats on doormats and the benefit/impact of preventing indoor air pollution for my blog…

Thanks!

I got the information on indoor pesticide exposure from the National Safety Counsel’s website. Here’s the direct link to the exposure statistics that they have published: http://www.nsc.org/ehc/indoor/pesticid.htm

Let me know if you need any other sources for statistics in blog posts.