Laboratory Questions

Student___________________                  Section________________

Date_____________________
 

1)  Explain why E. coli was chosen as the indicator of fecal pollution?
 
 
 
 
 
 
 

2)  What circumstances in human life style made water pollution so serious?
 
 
 
 
 
 
 

3)  Why did the EMB media changed color?
 
 
 
 
 
 

4)  What is the improtance of testing beaches and pools for colirorm
 
 
 
 
 
 

5)  If you are in the wilderness and do not have a water purifer why is in important to boil your water prior to drinking it?