"… ocus on maintaining safety standards. At ConocoPhillips’ oil refinery in Ponca City, Okla., for example, some workers became disillusioned with VPP, said Jaso …"

"… te views the smelter as only a minor source of hazardous air pollutants.In Ponca City, Okla., black mist from a factory that makes a strengthening agent for tir …"

"… I have had three different cancers. I have one lung. Half a stomach.”In Ponca City, Okla., homes were invaded by fine, black dust from the Continental Carbon …"

"… n communities such as Muscatine, Iowa; Hayden, Ariz.; Tonawanda, N.Y.; and Ponca City, Okla. These places seemed to have been passed over in the quest for clean …"

"… ntegrity’s iWatch News and NPR have been smothered like the residents of Ponca City,  two hours upstate of Oklahoma City. The small city is named after P …"

"… nds, sometimes collecting their own air samples at factory fence lines. In Ponca City, it meant challenging the state agency, the Department of Environmental Qu …"

"… ource of ‘fugitive’ dustTo this day, Houston-based Continental Carbon, Ponca City’s third largest employer, denies it caused most of the pollution. “Any …"

"… ency, wrote in reply to questions from iWatch News and NPR.Yet the DEQ’s Ponca City office became literally overrun with complaints. And the state’s own pol …"