Emission Factor Documentation for AP-42 Section
2021year6month25day · Their combined production represented 52.9 percent of the national total. By major geographic region, the production quantity was West--36.7 percent, Midwest--30.3 percent, South--20.9 percent, and Northeast--12.1 percent. The quantity and total value of construction sand and gravel sold or used in the United States, by State, is presented in ...
