Ground-level ozone

Ground-level ozone, a major component of smog, is by motor vehicle exhaust, industrial emissions, gas vapors and other sources is produced, and can form in harmful concentrations in the air, especially on hot, sunny days . The Clean Air Act requires the EPA National Ambient Air Quality Standards for ground-level ozone and other pollutants are defined. Parts per billion;ard is set at 75 parts per billion; APHA and its signatories urge a standard of 60 parts per billion.

After the groups, promotes science a stronger standard. Clinical and epidemiological studies have shown that breathing ozone can have adverse effects on health at concentrations below the 75 parts per billion 8 – hour average standard cause, wrote the groups. Respiratory and respiratory and cardiovascular effects on health, mortality and negatively. At -risk groups, including those with asthma, seniors and outdoor workers Children are particularly vulnerable. The groups said demand Given the weight of evidence eight-hour eight-hour ozone standard at 60 parts per billion on against known and anticipated adverse effects on health and to provide a margin of safety as required Clean Air Act.

Type dual essential medical schemes in which San Diego area, said private HMO Kaiser Permanente and this Department of Veterans Affairs, an application a program to patient records, that San Diego Union-Tribune tells shares. The collaboration is ‘the first time run a computerized patients records system with a federal body, time run by a private organization was linked ‘and connect will be ‘files by both institutional for about 1,000 patients taking care from both vendors ‘.