Waste Water Flashcards

1
Q

What are the MDR’s responsibilities as it pertains to Wastewater management?

A
  • Conducting visual inspection of the MSD components during habitability and sanitation inspection.
  • Provide on-site advice, when requested in the event of major sewage leaks or spills.
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2
Q

What are the modes of the CHT system?

A
  • Restricted waters (transit)
  • At sea
  • In port
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3
Q

How many modes does the CHT operate in?

A

3

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4
Q

What does CHT stand for?

A

Collection, Holding, and Transfer.

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5
Q

Describe the holding element of the CHT system

A
  • Tanks that retain sewage during transit of restricted water for eventual disposal.
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6
Q

What poses the greatest danger to ships and personnel as it pertains to waste water?

A

Hydrogen Sulfide (H2S)

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7
Q

What assumption should always be made about sewage holding tanks?

A

They contain toxics gasses, unless cleared by gas-free engineering measures.

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8
Q

Pump rooms should have what?

A
  • Slight negative pressure (exhaust ventilation within 9 inches of deck)
  • Ventilation indicator light mounted outside pump room
  • 2 Emergency Escape breathing devices
  • Proper warning plates outside and near tank access.
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9
Q

How many emergency escape breathing devices should pump rooms have?

A

2

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10
Q

You notice a rotten egg smell while doing your inspection, what is this a indicator of?

A

Hydrogen Sulfide (H2S)

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11
Q

Hydrogen sulfide is marked by what aroma?

A

Rotten egg smell

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12
Q

What are the required vaccines for a waste worker?

A
  • Polio
  • Tetanus
  • Diphtheria
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13
Q

What shall not be done while in direct contact with the source of contamination?

A

No hand to mouth contact including eating, drinking, or smoking.

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14
Q

Where are safety procedures located in?

A

NAVSHIPS TECHNICAL MANUAL CHAPTER 593 “ POLLUTION CONTROL” (NSTM-593)

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15
Q

What chapter of the NSTM contains the safety procedures for spill cleanups?

A

Chapter 593

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16
Q

What is the most common type of EPA disinfectant aboard naval ships?

A

Iodine Type

17
Q

What is color is the coding label?

A

Gold

18
Q

What distance from the shore is wastewater disposal prohibited?

A

Within 3 nautical miles.

19
Q

What distance is the exhaust ventilation from the deck inside the pump room?

A

9 inches.