Emerging pollutants and non-point source discharge

Consider the two terms below. Define each component and describe the relationship between the two terms. Each description should consist of several clear, concise sentences and may be done in list form. For the following terms you will:

1) Define the first term: Emerging pollutants
2) Define the second term: non-point source discharge

3) Describe the relationship between Emerging pollutants and non-point source discharge

An emerging pollutant can be found on page 48 and non-point source discharge cab be found on page 5. you can also use google search for better explanarion