Why criteria pollutants

Criteria Pollutant News Jun 18, : Adverse Pregnancy Outcomes Linked to Climate Change Higher rates of preterm birth, low birth weight and stillbirth are linked to increased heat, ozone and fine particulate matter, according to a meta-analysis released today and co-authored by The study is the first to consider the effects on people of long-term exposure to ultrafine particles and analyzed data from more than , middle-aged women whose health status was followed from Scientists from OEHHA and UC published a study that found that fine particles emitted by motor vehicles and other sources may increase deaths from heart and lung ailments in California.

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History Library Maps Schools. Search for department, service, or keyword. Ground-level ozone concentrations are improving in Mecklenburg County.

In , EPA lowered the ozone standard from 75 ppb to 70 ppb to be more protective of public health. Mecklenburg County monitoring data shows a ozone compliance value of 70 ppb, which narrowly meets the health-based standard. Ground-level ozone, the primary constituent of smog, is not emitted directly into the air but is created by chemical reactions between oxides of nitrogen NOx and volatile organic compounds VOC in the presence of sunlight.

Penalties and settlements are public records, and the office of Enforcement publishes a list. Clearly, it is expensive to violate the criteria pollutant standards. Subscribe to Email Updates. Recent Posts.