ToxCastDB: http://actor.epa.gov/actor
/faces/ToxCastDB/Home.jsp
The Chemical Exposure database consolidates human exposure data from studies which collected chemical measurements from homes and childcare centers.
This includes data on the amounts of chemicals found in food, water, air, dust, indoor surfaces and urine.
ExpoCastDB: http://actor.epa.gov/actor
/faces/ExpoCastDB/Home.jsp
These resources will be an excellent tool for small-medium size companies designing Safety Data Sheets.
Be sure to bookmark these webpages!