"1,3-Butadiene"		
Emissions Source	tons/year	Percent
Stationary Sources	13	<1%
Area-wide Sources	390	7%
On-Road Mobile	2449	46%
   Gasoline Vehicles	2420	45%
   Diesel Vehicles	29	1%
Other Mobile	2401	45%
Natural Sources	87	2%
Total Statewide	5340	100%