standards 33 Environmental aspects 32 Environmental health 32 Health aspects 32 Water quality 32 prevention & control 32 Gezondheid 31 Pollution 31 Public Health 31 Quality Control 31 Water 31 Water Microbiology 31 Water Pollution 31 Water Supply 31 Water quality management 31 Nepal 28 Children 3 Domestic violence 3 Education 3 Kathmandu 3 Kathmandu Valley 3 Knowledge 3 Quality of life 3 Risk assessment 3 Decorative paint 2 Employment 2 Environmental exposure 2 Foreign Aid Policy, 2002 2 Foreign Investment and One Window Policy, 1992 2 Forestry Sector Policy, 2000 2