This industry comprises establishments primarily engaged in (1) manufacturing acyclic (i.e., aliphatic) hydrocarbons such as ethylene, propylene, and butylene made from refined petroleum or liquid hydrocarbons and/or (2) manufacturing cyclic aromatic hydrocarbons such as benzene, toluene, styrene, xylene, ethyl benzene, and cumene made from refined petroleum or liquid hydrocarbons. Establishments primarily engaged in--

Including:

• Acyclic hydrocarbons (e.g., butene, ethylene, propene) (except acetylene) made from refined petroleum or liquid hydrocarbons
• Aliphatic (e.g., hydrocarbons) (except acetylene) made from refined petroleum or liquid hydrocarbons
• Aromatic petrochemicals made from refined petroleum or liquid hydrocarbons
• Benzene made from refined petroleum or liquid hydrocarbons
• Butadiene made from refined petroleum or liquid hydrocarbons
• Butane made from refined petroleum or liquid hydrocarbons
• Butylene made from refined petroleum or liquid hydrocarbons
• Cumene made from refined petroleum or liquid hydrocarbons
• Cyclic aromatic hydrocarbons made from refined petroleum or liquid hydrocarbons
• Dodecene made from refined petroleum or liquid hydrocarbons
• Ethane made from refined petroleum or liquid hydrocarbons
• Ethylbenzene made from refined petroleum or liquid hydrocarbons
• Ethylene made from refined petroleum or liquid hydrocarbons
• Heptanes made from refined petroleum or liquid hydrocarbons
• Heptenes made from refined petroleum or liquid hydrocarbons
• Isobutane made from refined petroleum or liquid hydrocarbons
• Isobutene made from refined petroleum or liquid hydrocarbons
• Isoprene made from refined petroleum or liquid hydrocarbons
• Nonene made from refined petroleum or liquid hydrocarbons
• Olefins made from refined petroleum or liquid hydrocarbons
• Paraffins made from refined petroleum or liquid hydrocarbons
• Pentanes made from refined petroleum or liquid hydrocarbons
• Pentenes made from refined petroleum or liquid hydrocarbons
• Propylene made from refined petroleum or liquid hydrocarbons
• Styrene made from refined petroleum or liquid hydrocarbons
• Toluene made from refined petroleum or liquid hydrocarbons
• Xylene made from refined petroleum or liquid hydrocarbons