"San Diego - 1,3-Butadiene"			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	< 1	0%	0%
Area-wide Sources	4	1%	0%
On-Road Mobile	201	50%	4%
   Gasoline Vehicles	199	50%	4%
   Diesel Vehicles	2	1%	0%
Other Mobile	187	47%	3%
Natural Sources	8	2%	0%
Total	400	100%	7%
Total Statewide	5340