February 2012CDC's Division of Laboratory Sciences released new data to the
Fourth National Report on Human Exposure to Environmental Chemicals, an
ongoing assessment of the U.S. population's exposure to environmental
chemicals using biomonitoring.
http://www.cdc.gov/exposurereport/
The Updated Tables, February 2012   provides nationally-representative 
biomonitoring data from CDC's National Health and Nutrition Examination 
Survey (NHANES) that has become available since the publication of the 
Fourth Report in 2009.
The Updated Tables, February 2012 include 66 chemicals with updated tables 
and 34 newly added chemicals since the release of the Fourth Report.
The Updated Tables, February 2012 and additional resources are now available 
on CDC's National Exposure Report webpage.