Polycyclic aromatic hydrocarbons (PAHs) are released into the environment through natural activities such as forest fires and incomplete combustion of wood and decay of vegetable matter. Anthropogenic activities that release PAHs into the environment include activities such as combustion of coal and petroleum product processing. PAHs are not easily accessible to bacteria for degradati... https://allfixelectricales.shop/product-category/drain-collector-hose/