"1,3-Butadiene"		
Emissions Source	tons/year	Percent
Stationary Sources	14	>1%
Area-wide Sources	371	12%
On-Road Mobile	1560	49%
   Gasoline Vehicles	1535	48%
   Diesel Vehicles	25	1%
Other Mobile	1151	36%
Natural Sources	83	3%
Total Statewide	3180	100%