Tennessee Wastewater Operator Practice Exam

What is the primary purpose of the vector attraction reduction requirement in the biosolids 503 regulations?

1. To enhance the nutrient value of biosolids

2. To reduce the likelihood that rats and insects will be attracted to finished biosolids

3. To increase the moisture content of biosolids

4. To improve the processing speed of biosolids

The correct answer is: To reduce the likelihood that rats and insects will be attracted to finished biosolids

The primary purpose of the vector attraction reduction requirement in the biosolids 503 regulations is indeed to reduce the likelihood that rats and insects will be attracted to finished biosolids. This is crucial for public health and environmental safety, as these pests can spread diseases and create additional nuisance issues in communities. By minimizing vector attraction, the regulations help manage potential health risks associated with the land application of biosolids. The requirement includes specific measures such as treating the biosolids to reduce their attractiveness to vectors, thereby protecting both the environment and public well-being. This approach is integral to the overall management of biosolids and ensures that they can be beneficially reused while not posing a threat to human health or causing ecological imbalances.