Description should include
- testing the water
- interpreting water test results
- listing equipment needed to maintain a pool system and describing how each piece of equipment is used
- maintaining hydrogen-ion concentration (pH) at a range of 6.8 to 8.0 and the residual chlorine content at a range of 0.0 to 1.0
- keeping records on file for a period of one year, including records of pH levels, free chlorine residual levels, water clarity, cleanliness, and other information relevant to the health and safety of bathers.
Process/Skill Questions:
- What is the importance of testing the water at a public pool?
- Who regulates public swimming pools?
- What procedures should be taken if water test results are outside normal levels or if a biohazard has been introduced into the pool system?
- What safety issues should be considered when working with pool chemicals?