ThomasDavid G., Swimming Pool Operators Handbook, National Swimming Pool Foundation, Washington, D.C., 1972, p. iii.
2.
GabrielsenAlexander M., JohnsonRalph L., “Swimming Pool Safety,”Journal of Physical Education, Recreation and Dance, June, 1979, p. 43.
3.
The Washington State Public Health Association, Swimming Pool Operation — A Manual for Operators.Seattle, Washington, 1981, p. 1.
4.
Recreonics Corporation.Buyers Guide and Operators Handbook.“Swimming Pool, Aquatics and Recreational Equipment,” ‘Safety and Rescue,’ Indianapolis, IN, 1981, p. 16.
5.
Participants in National Facilities Conference, Planning Areas and Facilities for Health, Physical Education and Recreation. “Purifying and Equipping Swimming Pools,” The Athletic Institute and American Association for Health, Physical Education and Recreation, Chapter 13, 1966, p. 193.
6.
ThomasDavid G., Swimming Pool Operators Handbook, National Swimming Pool Foundation, Washington, D.C., 1972, p. iii.
7.
ColemanFoster, ManagerP.E., State of South Carolina, Department of Health and Environmental Control, Recreational Water Section, Columbia, S.C. (May, 1983) Swimming Pool Training —A Personal Conversation.
8.
South Carolina Department of Health and Environmental Control, “Recreational Waters Section, Rules and Regulations Relating to Public Swimming Pools — State of South Carolina.”Columbia, South Carolina, 1983.
9.
Van RossenDonald, The Certified Pool/Spa Operators Manual.Swimming Pool Foundation, San Antonio, Texas, 1983.
10.
GabrielsenAlexander M., JohnsonRalph L., “Swimming Pool Safety,”Journal of Physical Education, Recreation and Dance. June, 1979, p. 43.
11.
ZarsLeifChairman, Board of Directors, National Swimming Pool Foundation, San Antonio, Texas.
