Select laboratory network Air and indoor environment 35 Human biomonitoring 101 Water 42 Water 42 Filter Reset filters Type of laboratory PARC member 1 External laboratory 5 Substance group Bisphenols 2 Flame retardants 2 Metals and trace elements 6 Per- and polyfluoroalkyl substances (PFAS) 2 Pesticides-azoles 2 Pesticides-glyphosate 1 Pesticides-neonicotinoids 2 Pesticides-organochlorines 3 Pesticides-organophosphorus 3 Pesticides-others 3 Pesticides-pyrethroids 1 Pharmaceuticals 2 Phthalates 1 Polychlorinated biphenyls (PCBs) 2 Polycyclic aromatic hydrocarbons (PAHs) 3 Volatile organic compounds (VOCs) 3 Other chemicals 4 Matrix Surface water 39 Drinking/Tap water 32 Ground water 27 Treated sewage/outlet 17 Mineral/Spring water 16 Untreated sewage/inlet 14 Saline/Marine water 10 Leachate 8 Industrial effluent outlet 8 Regenerated water 7 Process water 6 (-) Recreational water 6 Healthcare water 4 Other water 2