Colorado. Air Pollution Control Division. Technical Services Program.
Pub. Date
2004.
Description
On Thursday October 30, 2003, Delta, Crested Butte, Mount Crested Butte, and Grand Junction recorded exceedances of the twenty-four-hour PM10 standard with readings of 215 ug/m3 at Delta, 177 ug/m3 at Crested Butte, 165 ug/m3 at Mount Crested Butte, and 234 ug/m3 at Grand Junction. The exceedances were caused by a combination of dense smoke transported from the massive wildfires in Southern California and blowing dust from the desert Southwest and...
Pub. Date
1999.
Description
The primary goals of this study are to: Develop comprehensive inventories of Prevention of Significant Deterioration (PSD) increment consuming emissions for nitrogen oxides (NOx) in southwest Colorado; Develop meteorological fields as necessary for input to the Industrial Source Complex (ISC3) and CALPUFF models; Setup and run the ISC3 and CALPUFF models for appropriate near-field and far-field receptors, respectively; Compare modeled concentration...
19) Technical support document for the May 24, 2010, stratospheric ozone intrusion exceptional event
Pub. Date
2011.
Description
The Colorado Department of Public Health and Environment, Air Pollution Control Division, has prepared this report for the United States Environmental Protection Agency (EPA) to demonstrate that the elevated ozone concentrations along Colorado's Front Range and the exceedance of the 8-hour National Ambient Air Quality Standard (NAAQS) for ozone at Manitou Springs on May 24, 2010, was caused by a natural event, specifically a stratospheric intrusion...
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