Potential water hazards that are not controled by current treatment method are: a. solvents b. salmonella c. giardia lamblia d. shigella e. all of the above

a)Solvents

Explanation: Potential water hazard is the hazard or adverse condition created by the water area when they rise above the limit or due to any other factor. The water hazard usually harms the workers or other people an also the environment.

solvents is considered as a liquid substance that is added to the water to dissolve the components.This in not a preferred method for the controlling of the water hazard.