General

Question 1

Reasons to close a pool

Answer 1

Water chemistry
Failed bacteria test
entrapment hazard
Cant see main drain
no lifesaving equipment
no GFI
not enough lifeguards
Water level is below skimmers
circulation system is not working
fecal incident
chemical disinfection feeder not working
no skimmer lid

Question 2

Pseudomonas Aeuriginosa cleaning protocol (8 steps)

Answer 2

turn off pool water heater and clean hair and lint screens
backwash and drain
superchlorinate to 20ppm
recirculate 3-4x
backwash and drain
wipedown with chlorine using ppe
refill
test and balance

Question 3

Condensation and Humidity

Answer 3

Water is warmer than Air
Lower water temp to 1 degree below air temp
Ventilation
Legionella concern
Mold potential - drain, scrub, and disinfect

Question 4

Factors affecting Beach quality

Answer 4

Clarity
Air temp
Water temp
Domestic animals
Weather
Waves