What Are The Air Districts Risk Management Procedures?
After the level of risk from a new project has been determined, a decision must be made as to the significance of this risk level. If a new source has a cancer risk of one in a million or less over a 70-year-lifetime exposure period, and will not result in non-cancer health effects, it is considered to be a non-significant risk and no further review of all health impacts is required. If a project has a risk greater than one in a million, it must be further evaluated in order to determine acceptability. Factors that affect acceptability include the presence of controls on the rate of emissions, the location of the site in relation to residential areas and schools, and contaminants reductions in other media such as water. In general, projects with risks greater than one in a million, but less than 10 in a million, are approved if other determining factors are acceptable. In general, projects with risks greater than 10 in a million are not approved. Non-approved projects may be re-evaluat
