ASCA Pool Management & Aquatic Facility Operations Flashcards

What is the recommended free chlorine level (in ppm) for a competitive swimming pool according to CDC and USA Swimming guidelines?

Answer: 1.0 – 3.0 ppm

The CDC recommends maintaining free chlorine between 1.0 and 3.0 ppm in competitive pool settings to ensure effective sanitation.

What is the ideal pH range for a competitive swimming pool?

Answer: 7.2 – 7.8

A pH of 7.2 to 7.8 is recommended for competitive pools to optimize chlorine effectiveness and swimmer comfort.

Which type of pool filtration system uses microscopic fossilized algae as a filter medium?

Answer: Diatomaceous earth (DE) filter

Diatomaceous earth (DE) filters use fossilized algae skeletons as a highly effective filter medium capable of trapping very fine particles.

What does 'turnover rate' mean in pool facility management?

Answer: The time it takes for the entire pool volume to be filtered and returned

Turnover rate is the time required for the filtration system to circulate and filter the entire volume of water in the pool.

What is the primary purpose of shock chlorination (superchlorination) in pool maintenance?

Answer: To break down combined chlorine (chloramines) and eliminate contaminants

Shock chlorination destroys combined chloramines and oxidizes organic contaminants that build up during heavy swimmer load.

Under the Americans with Disabilities Act (ADA), which of the following is required for public aquatic facilities in the US?

Answer: At least one accessible means of entry such as a pool lift or sloped entry

The ADA requires public pools to provide at least one accessible means of entry, typically a pool lift or zero-depth sloped entry.