EnvironmentLagos PSP operators want stiffer sanctions for indiscriminate dumping of refuseBy Shile GIWANovember 6, 2019 by By Shile GIWANovember 6, 20190531 The Private Sector Participation (PSP) in waste management in Lagos State has called for stiffer punishment for anyone caught dumping refuse indiscriminately on the road