J2 APPROXIMATE PERCENTAGE DISTRIBUTION OF POLLUTANT LOADS YEAR: 1985 Source COD [t day-1] ratio [%] ------------------------------------------------------- Non-point sources 23.81 75.0 (agricultural, natural and dispersed settlements) Point sources - Public sewage 0.16 0.5 - Industrial 1.56 4.9 - Animal husbandry 3.81 12.0 - Fish culture 2.40 7.6 ------------------------------------------------------- Total 31.74 100