Table 5.4 - Point sources and the expected contamination of groundwater

Source: Prepared by RIVM

Source Inorganic contaminants Organic contaminants
Urban areas heavy metals (Pb, Zn) and salts oil products, chlorinated hydrocarbons
Industrial areas heavy metals PAHs, chlorinated hydrocarbons, hydrocarbons, oil products and synthetic organic compounds
Mining areas heavy metals, salts (SO42-, Cl-) and arsenic PAHs, hydrocarbons, oil products
Military sites heavy metals hydrocarbons (oil products)
Landfills salts (Cl-, NH4+) and heavy metals biodegradable and non-biodegradable organics