If the per capita contribution of suspended solids and BOD is 90 gm and 55 gm, find the population equivalents of
1. A combined system serving 1000 persons and having 75 gm per capita daily of BOD.
2. 40,000 litres daily of industrial wastewater containing 1800 mg/l of suspended solids. Respectively,
1
734, 1000
2
1000, 734
3
1364, 800
4
800, 1364