Pool Water Contamination Flashcards
To learn of contamination that can spread in a pool.
What are Recreational Water Illnesses (RWIs)?
Illnesses that are spread by water used for recreating
The microorganisms that cause illnesses in humans are categorized as ________.
Pathogens
A single cell microscopic organisms that can be transmitted through food and water and cause diseases in humans.
Protozoa
______ is protected by an outer shell that allows it to survive harsh conditions, including attacks from chlorine.
Cryptosporidium (Crypto)
Shigella
Present in diarrheal stools of infected persons.
Hepatitis ______ is the only strain that can be spread through feces.
Hep A
AFR response for formed stool
raise the free available chlorine to 2 parts per million and ensure that the pH is 7.5 or less and the water temperature is 77 degrees Fahrenheit or higher. Maintain for 25 mins
AFR response for diarrheal discharge
raise the free available chlorine to 20 parts per million while also confirming the pH is 7.5 or less and the temperature is 77 degrees Fahrenheit or warmer. Maintain for 12 hours and 45 mins with filtration system running.
What is CT Value
the concentration of free chlorine in parts per million multiplied by time in minutes needed to inactivate 99.9% of the pathogen.
CT value = C X T
CT value for Giardia
45
CT value for Crypto
15,300
what is DBP
Disinfection by-products
Legionella pneumophilia is transmitted through
water mist
Which of the following is not a fecal related illness?
Atheletes foot
