Surface water
Water resources
Water
Crustacea
Organism-activity determination
Water testing
Concentration (chemical)
Effluents (sewage)
Chemical water pollutants
Microbiological analysis
Bioassay
Biological analysis and testing
Industrial water pollutants
Toxicity
Testing conditions
Ground water
Reproducibility
Cladocera
Specimen preparation
Precision
Water supply
Quality
Water pollution