Certified Pool/Spa Operator’s Handbook 2011 This reference is a must for pool service companies, pool maintenance professionals, and homeowners. This comprehensive maintenance publication covers just about everything you need to know to operate a clean, sparkling pool or spa efficiently. The updated edition features new section on UV systems, sun safety, bather load calculations, and risk management. Also recommended for coaches, hotel, motel, apartment managers, and park and recreational professionals. The handbook also serves as a textbook for the National Certification and registration of Pool/Spa Operators.