Complex sentence: Since 2001, this list has been expanded to include certain polycyclic aromatic hydrocarbons (PAHs), brominated flame retardants, and other compounds.Other additions to the initial 2001 Stockholm Convention list are as following POPs:.
Split into simpler sentences: Since 2001, this list has been expanded to include certain polycyclic aromatic hydrocarbons (PAHs), brominated flame retardants, and other compounds. Additions to the initial 2001 Stockholm Convention list are as following POPs:.