Podcast
Questions and Answers
What is the pH range for which criteria have been established for total ammonia by the EPA?
What is the pH range for which criteria have been established for total ammonia by the EPA?
- 5.0 to 8.0
- 7.5 to 10.0
- 4.0 to 7.0
- 6.5 to 9.0 (correct)
Which form of ammonia is considered less toxic than NH3?
Which form of ammonia is considered less toxic than NH3?
- Nitrates (NO3 -)
- Ammonium (NH4 +) (correct)
- Ammonia gas (NH3)
- Nitrogen (N)
What is the water temperature range for which criteria have been established for total ammonia by the EPA?
What is the water temperature range for which criteria have been established for total ammonia by the EPA?
- -5 to 5 °C
- 20 to 40 °C
- -10 to 15 °C
- 0 to 30 °C (correct)
Which substances are considered hazardous due to their toxicity, persistence, bioaccumulation potential, and effects like carcinogenicity?
Which substances are considered hazardous due to their toxicity, persistence, bioaccumulation potential, and effects like carcinogenicity?
In accordance with the precautionary principle, what type of substances are many countries taking into account when developing water quality criteria?
In accordance with the precautionary principle, what type of substances are many countries taking into account when developing water quality criteria?
What region of the United Nations is mentioned to be increasing attention to developing water quality criteria for hazardous substances?
What region of the United Nations is mentioned to be increasing attention to developing water quality criteria for hazardous substances?
What is the reason behind using a 3-day BOD in the tropics instead of a 5-day BOD?
What is the reason behind using a 3-day BOD in the tropics instead of a 5-day BOD?
Which activity does NOT rely on water quality for safe use?
Which activity does NOT rely on water quality for safe use?
What is one of the criteria mentioned for suitable water quality for livestock watering?
What is one of the criteria mentioned for suitable water quality for livestock watering?
Based on the Canadian and Nigerian criteria, which variable has different values set for water quality?
Based on the Canadian and Nigerian criteria, which variable has different values set for water quality?
What action is recommended if necessary to ensure water quality for livestock watering?
What action is recommended if necessary to ensure water quality for livestock watering?
What is emphasized to prevent contamination of water supply sources for livestock watering?
What is emphasized to prevent contamination of water supply sources for livestock watering?
What is the recommended BOD level for salmonid waters according to the European Union Council Directive?
What is the recommended BOD level for salmonid waters according to the European Union Council Directive?
What is the interim water quality criterion for BOD in Nigeria for the protection of aquatic life?
What is the interim water quality criterion for BOD in Nigeria for the protection of aquatic life?
What is the BOD criterion for irrigation water in Nigeria?
What is the BOD criterion for irrigation water in Nigeria?
What concentration of BOD should not be exceeded in Class A waters for the River Ganga in India?
What concentration of BOD should not be exceeded in Class A waters for the River Ganga in India?
What are the water quality criteria set for phosphorus compounds to prevent excessive growth of algae?
What are the water quality criteria set for phosphorus compounds to prevent excessive growth of algae?
What is the recommended BOD level for cyprinid waters according to the European Union Council Directive?
What is the recommended BOD level for cyprinid waters according to the European Union Council Directive?
