SWIMMING POOL SERVICE TECHNICIAN'S STUDY GUIDE

SWIMMING POOL SERVICE TECHNICIAN'S STUDY GUIDE DISINFECTION Swimmers bring into a pool every kind of contaminate existing on and in their bodies. Some common contaminates are urine, feces, sputum, bacteria, viruses, fungus and other organisms, cosmetics and toiletries. Sometimes contaminates in pool water can cause illness in susceptible people. ................
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