Subpart O - PETROLEUM REFINING, PETROCHEMICAL AND CHEMICAL MANUFACTURINGBrowse as ListSearch WithinSection 214.380 - ScopeSection 214.381 - Sulfuric Acid ManufacturingSection 214.382 - Petroleum and Petrochemical ProcessesSection 214.383 - Chemical ManufacturingSection 214.384 - Sulfate and Sulfite Manufacturing