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WELL AP v2 Preconditions & Enhanced > Water (W01 - W03) > Flashcards

Water (W01 - W03) Flashcards

1
Q

How many ounces of water is recommended on a daily basis?

A

49-125 oz for adults

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2
Q

What two industries pose an increasing risk to drinking water?

A

agricultural and pharmaceutical sources

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3
Q

High levels of ___ in water can impair oxygen levels in infants.

A

nitrate

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4
Q

Exposure to ___ in drinking water can impair neurodevelopment in children.

A

Lead

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5
Q

a. List the names of byproducts that are a combination of water disinfectant chemicals and natural organic matter.
b. List diseases they are correlated with.

A 
a. trihalomethanes (THMs) &
haloacetic acids (HAAs)

b. reproductive disease and cancer

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6
Q

Define reverse osmosis.

A

water purification process that uses a partially permeable membrane to separate ions, unwanted molecules and larger particles from drinking water.

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7
Q

What can contaminate domestic potable and hot water systems, cooling towers, humidifiers, misters, decorative fountains, spas and hot tubs?

A

Legionella

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8
Q

If water from any source wets building materials that are not intended to come into contact with water, it sets up prime conditions for ________.

A

mold growth

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9
Q

Name 4 things that the WELL Water concept aims to do.

A
  1. increase the RATE of adequate HYDRATION in building users,
  2. reduce HEALTH RISKS due to contaminated water and excessive moisture within buildings,
  3. provide adequate SANITATION through better infrastructure design and operations,
  4. improve awareness and maintenance of water quality
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10
Q

What parameters/indicators are commonly used to assess the effectiveness of water treatment systems?

W01 Water Quality Indicators

A

total coliforms and turbidity

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11
Q

What is coliform?

W01 Water Quality Indicators

A

Bacteria that is naturally present in the environment (generally harmless) and associated with fecal contamination which may cause disease, if ingested.

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12
Q

What is turbidity?

W01 Water Quality Indicators

A

a measure of water cloudiness, which may indicate the availability of food and shelter for microbes.

High levels may reduce the efficacy of water treatment technology.

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13
Q

What can help reduce turbidity?

W01 Water Quality Indicators

A

Water Filtration

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14
Q

What can kill coliforms and pathogenic microbes?

W01 Water Quality Indicators

A

disinfection with ultraviolet (UV) light- if the water has low turbidity

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15
Q

What is the required threshold for turbidity (in water coming into contact with humans)?

W01 Water Quality Indicators

A

< than or = to 1.0 NTU, FTU or FNU

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16
Q

What is the required threshold for coliforms (in water coming into contact with humans)?

W01 Water Quality Indicators

A

Coliforms are not to be detected in any 100 ml sample.

17
Q

What is the drinking water dispenser requirement? (How many and where)

W02 Drinking Water Quality

A

1 drinking water dispenser & an additional 1 every dwelling unit

18
Q

Inhaling water aerosols of Legionella in high concentrations can cause what?

W03 Basic Water Mgmt

A

Lung disease and death

19
Q

Monitoring ____, ____, and ____ can help control basic chemical and microbiological water, and may inform actions that can be taken to protect the quality of water.

W03 Basic Water Mgmt

A

Turbidity, residual chlorine, and pH

20
Q

The following water parameters are sampled at intervals of no less than ___ per ___ and submitted ___ through the WELL digital platform.

W03 Basic Water Mgmt

A
  • Turbidity
  • pH
  • Residual free chlorine
  • Coliforms
  • Water parameter found at 80% or above listed in W02

Once a year & results are submitted annually

21
Q

Describe the 7 step Legionella management plan.

A

(any water feature where water is recirculated and aerosolized)

  1. Determine roles for management (under project control verse building management)
  2. Water system inventory and flow diagrams
  3. Hazard analysis of water assets
  4. List of monitoring actions for relevant variables (performance limits and corrective actions)
  5. List of critical control points
  6. Verification and validation of procedures - sampling schedule
  7. Protocols for documenting results

WELL AP v2 Preconditions & Enhanced (16 decks)

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