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
After completing the assignment, complete the
exercises at the end of this lesson. These exercises
will help you to archive the lesson objectives.