|
El Dorado County Air Pollution Control
<http://co.el-dorado.ca.us/emd/apcd/index.html>
Placer County Air Pollution Control
District
<http://www.placer.ca.gov/airpollution/airpolut.htm>
San Diego County Air Pollution Control
District
<http://www.sdapcd.co.san-diego.ca.us>
San Luis Obispo Air Pollution Control
District
<http://www.sloapcd.dst.ca.us>
Santa Barbara County Air Pollution Control
District
<http://www.sbcapcd.org>
Spokane County Air Pollution Control
Authority
<http://www.scapca.org>
Ventura County Air Pollution Control
District
<http://www.vcapcd.org> | 
