TABLE 1.

Summary of experimental program

Expt no.Season, weatherEffluent and water typeComment(s)
1Summer, clear skyWSP effluent in river water
2Winter, cloudyWSP effluent in river water; raw sewage in river waterEffluent comparison
3Winter, clear skyWSP effluent in river waterTwo-day experiment
4Summer, cloudyWSP effluent in river water; raw sewage in river waterEffluent comparison
5Summer, heavy cloudWSP effluent or raw sewage in river water, simulated estuarine watera, or seawaterSalinity effects on two effluents
6Summer, clear skyWSP effluent in river waterOptical filter experiment: full sun, 318 nm, 342 nm; 396 nm, 556 nm, dark
7Summer, clear skyWSP effluent or raw sewage in river water, simulated estuarine watera, or seawaterSalinity effects on two effluents
8Winter, clear skyWSP effluent in river water
9Summer, some cloudWSP effluent in river waterVariability experiment: 10 samples after 3 h of sunlight exposure
10Summer, clear skyWSP effluent in river waterTwo-day experiment
  • a That is, a 50:50 seawater-river water mixture.