Benzo[g,h,i]peryleneStatus: Unregulated - EPA has not established a maximum legal limit in tapwater for this contaminant.Benzo[g,h,i]perylene is a polycyclic aromatic hydrocarbon (PAH) in crude oil and is released from combustion of fossil fuels and from industries including petroleum refining, coal tar distillation, wastewater treatment and waste incineration.