The objective of this web site is to provide an overview of pollution and how it relates to Smog Check II, MTBE, Underground Storage Tanks and related legal issues
The California South Coast Air Quality Management District has produced a series of web pages which describes smog,it's sources,clean air technologies,etc .What Is Smog?
Follow "Smog Levels" to "Smog and Health -- An Introduction" to "Sources Of Smog". This is a good explanation.
A second source of information is the SF Bay Area Spare the Air Home Page. This site provides information on tracking air pollution in the San Francisco Bay Area.
A third source of information is the Sacramento Metropolitan Air Quality Management District. This site provides information on tracking air pollution in the Sacramento Basin of California
A fourth source of information is the Hobart and Canberra Australia Smog Page. Smogbusters Project. This site provides a project overview, air pollution fact sheets, discussion of what is happening and contacts.
A fifth good source of information is the EPA Bulletin On Air Toxics From Motor Vehicles.
In order to understand why we have a smog check system in place, it is necessary to understand that the emissions which eminate from an automobile include evaporative emissions from the engine compartment, refueling losses from mismatches between fuel tank nozzles and automobile tank receptacles, and exhaust emissions. A good introduction is presented in the EPA Fact Sheet OMS5: Automobile Emissions: An Overview The purpose of the smog check is to identify vehicles with emission control systems that are not functioning correctly and get the deficiencies corrected.
Here is another good article explaining automotive emissions: Pennsylvania Air Quality Fact Sheets.
Here is another good article explaining High Tech Inspection and Maintenance Procedures. High Tech Inspection and Maintenance Procedures
The motivation for the discussion of underground storage tanks is the Robert Womack Case in Amador County Robert Womack Case. Dr. Bill Wattenburg broadcasts on KGO radio in San Francisco every Saturday and Sunday from 10 PM to 1 AM. Listen to him on KGO Radio KGO TV and Radio