title: Vapour emission from rotary shaft seals in petro-chemical plants.
mesh_terms: D000397:Air Pollution / Q000517:prevention & control*; D002617:Chemical Industry; D005410:Flame Ionization / Q000295:instrumentation; D006801:Humans; D006838:Hydrocarbons / Q000009:adverse effects; D009784:Occupational Diseases / Q000517:prevention & control*; D010578:Petroleum / Q000009:adverse effects*
chemical_list: D006838:Hydrocarbons; D010578:Petroleum