... Guanabara Bay in Brazil, Vina del Mar in Chile and Cartagena in Colombia. Offensive smells, floating materials (particularly sewage solids) and certain other pollutants can create aesthetically ... annual application rates of irrigation water. Water quality criteria for irrigation water generally take into account, amongst other factors, such characteristics as crop tolerance to salinity, ... subsequently, by comparing them with data available on Nigeria's own water quality. The standards considered included those of Australia, Brazil, Canada, India, Tanzania, the United States and the...