Protection of Water Supplies.
Paragraphs 6-1 through 6-21.
After completing this lesson, you should be able to:
Identify basic criteria in selection of safe water
Identify methods for protecting a water source
Determine situations in which the hazard of a
cross connection may exist
Identify means of correcting cross-connection
Identify the procedures for treating water
contaminated by chemical, biological, and
After completing the assignment, complete the
exercises at the end of this lesson. These exercises
will help you to archive the lesson objectives.