Exposure Factors Handbook Chapter 12 (Update): Intake of Grain Products


EPA is announcing an update to Chapter 12 (Intake of Grain Products) of the Exposure Factors Handbook (2011 Edition). Refer to the About the Exposure Factors Handbook web page (under Downloads) for the latest information on the other handbook chapters.


This update includes new information and factors on the intake of grain products that has become available since the Exposure Factors Handbook: 2011 Edition was released. The recommended values for use in risk assessment have been revised, as needed, to reflect this new information. This update includes recommended values for the general population have been updated using NHANES data for 2005−2010 and include some more disaggregated age groupings (for those under age 1 and for adults) than in the 2011 Handbook. This update also provides, for the first time, grain intake data for pregnant and lactating women based on NHANES 2005−2010 data. Recent relevant studies based on data other than NHANES are also summarized to provide additional perspective on grain intake.


This document is an update to Chapter 19 of the Exposure Factors Handbook: 2011 edition. Chapter 19 (Building Characteristics) provides information and factors needed to assess exposures that affect exposure in an indoor environment.


U.S. EPA. Exposure Factors Handbook Chapter 12 (Update): Intake of Grain Products. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/R-18/095F, 2018.


Date Description
01-Jul 2018EPA released an update to Chapter 12: Intake of Grain Products
02-Sep 2011EPA released the final report, Exposure Factors Handbook: 2011 Edition.

This document has been reviewed in accordance with U.S. Environmental Protection Agency policy and approved for publication. Mention of trade names or commercial products does not constitute endorsement or recommendation for use.