Origin of effluents Laboratories, mortuary services, dialysis, pet shops, and all other industries discharging effluent bacteriological risk or pH outside the admitted range of neutrality. These effluents will be fed to the local technical risk station via a specific disposal network. French legislation: Circulaire du 30 juillet 2004 Arrêté du 16 juillet 2007 MEDICAL PROCESS plant permit to delay, disinfect the effluents then neutralize its pH prior to discharge to the common network.