| http://www.w3.org/ns/prov#value | - Construction and Operating Permits According to Saint Louis County Ordinance 612.110, ???Any person building, erecting, altering or replacing any article, machine, equipment or other contrivance, the use of which may cause the issuance of air contaminants or the use of which may eliminate or reduce or control the issuance of air contaminants shall first obtain authorization for such construction f
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