6-14 CHT

Question 1

What is the Medical Department Representative responsible for in regards to MSD?

Answer 1

Conducting visual inspections of MSD components as part of the routine habitability and sanitation inspection

Question 2

What training does medical give for wastewater?

Answer 2

Given at indoc and periodically on potential health hazards associated with human waste, proper PPE, and correct procedures for cleaning

Question 3

What modes does CHT operate in?

Answer 3

Restricted
At sea
In Port

Question 4

What are the function elements of the Collection element?

Answer 4

Soil drains or sewage (toilets and urinals)
Gray water drains (laundry, shower, galley)
Diverter valves which direct the wastewater over the side or to the holding tanks

Question 5

When must untreated sewage tanks be aerated and why?

Answer 5

Held in tanks larger than 2,000 gallons because it can become explosive

Question 6

What are toxic or explosive gases associated with CHT?

Answer 6

Hydrogen Sulfide
Methane
Ammonia
Carbon Dioxide

Question 7

What instruction covers “POLLUTION CONTROL”?

Answer 7

NAVSHIPS TECHNICAL MANUAL, Ch 593

Question 8

What manual should you follow for sewage spills?

Answer 8

NAVSHIPS TECHNICAL MANUAL, Ch 593

Question 9

What are the two types of germicides used for washing sewage spills?

Answer 9

Phenolic and iodine

Question 10

What must daily bacteriological test be performed?

Answer 10

If potable water tanks form the floor and the bilge has contaminated water