"2002 Almanac (page 220)  Table 5-6  2001 Statewide Emission Inventory:  1,3-Butadiene"		

"1,3-Butadiene"		
Emissions Source	tons/year	Percent
Stationary Sources	16	<1%
Area-wide Sources	385	10%
On-Road Mobile	1994	54%
   Gasoline Vehicles	1971	54%
   Diesel Vehicles	23	1%
Other Mobile	1201	33%
Natural Sources	83	2%
Total Statewide	3678	100%