Polycyclic aromatic hydrocarbons PAHs discharge

In 1998, the Aarhus Protocol on POPs, which entered into force on 23 October 2003, presently has 29 Parties (February 2010). The Protocol s ultimate objective is to eliminate any discharges, emissions and losses of POPs. The Protocol bans production and use of some products right away other POPs are scheduled for elimination at a later stage or severely restricted in use. The Protocol obliges Parties to reduce their emissions of polychlorinated-p-dioxins (PCDD), polychlorinated dibenzofurans (PCDF), polycyclic aromatic hydrocarbons (PAH), and hexachlorobenzene (HCB) below their levels in 1990 (or an alternative year between 1985 and 1995) [29]. 

Polycyclic aromatic hydrocarbons (PAHs) from anthropogenic sources are discharged into the atmosphere... 

Polycyclic aromatic hydrocarbons (PAHs). Polycyclic aromatic hydrocarbons are a family of semivolatile organic pollutants such as naphthalene, anthracene, pyrene, and benzo(a)pyrene. There are typically two main sources of PAHs spilled or released petroleum products (from oil spills or discharge of oil production brines) and combustion products that are found in urban runoff. Specifically, phenanthrene, pyrene, and fluoranthene are products of the incomplete combustion of fossil fuels. Naphthalene is found in asphalt and creosote. PAHs from combustion products have been identified as carcinogenic. 

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