Excerpts from this story referencing "dust":
"… and of big skies and broad terrain, the air pollution flowing from local industry was so palpable residents could touch it. On their hands, on their shoes …"
"… t pure carbon, classified as a possible carcinogen.Homeowners said a black dust cascaded from the plant and blanketed their lives. One mother insisted her …"
"… that the courts take action.Regulators had to see source of ‘fugitive’ dustTo this day, Houston-based Continental Carbon, Ponca City’s third largest …"
"… e only if its inspectors could witness with their own eyes the “fugitive dust” leaving the plant. Evidence of black dust found on residents’ propert …"