waste Flashcards
What are the 5 types of field waste?
Human Garbage Infectious Rubbish Liquid
What type of water consists of feces and urine?
Black water
What is gray water?
Showers, sinks and kitchen water
What is Garbage?
Waste dealing with food
What is Rubbish?
Non-infectious, non-food waste
What is Infectious waste?
Sharps, blood, medical, pathological waste
What are the disposal methods for human waste?
Burial, or burn
What are the types of burial methods for human waste?
Cat hole Straddle trench Deep pit Mound Urinals
What are the burn methods for human waste?
Burn out latrine
Pail latrine
Cat Hole latrine demensions?
12x12x12’’
T/F you should only use cat hole latrines on the march, never overnight
True
How many people can use a cat hole latrine?
One person only, no sharing
What are the dimensions for a straddle trench latrine?
4’ long x 1’ wide x 2 1/2’ deep
How long can a straddle trench be used for?
1-3 days
How many people can use the straddle trench latrine at a time?
Two people
What are the demensions of a deep pit latrine?
6’ deep x 7 1/2’ (or 3 1/2’) long and 2’ wide
How many people can use the deep pit latrine?
2-4 depending on the length
How long can you use a deep pit latrine?
5 weeks
T/F the deep pit latrine is recommended for rocky and sandy soil?
FALSE
What latrine is not tactically sound?
Mound latrine
What are the dimensions of the mound latrine?
6’ deep 7 1/2’ long , 2’ wide
How long can you use the mound latrine?
5 weeks
How big should the soakage pit be for urinals?
4’ cube
What shape should the urnials be?
V or U shape, 2 feet per man
What method of human waste disposal is not allowed to use in U.S.A (except in combat)
Burning method
What are the burning methods?
Burn out latrine
Pail latrine
What is a burn out latrine?
55 gallon drum under a self closing lid, waste burned daily
What is the mixture used to burn human waste?
4 parts diesel : 1 part gasoline
When is burning method indicated?
When conditions will not permit burial, such as rocky frozen soil
What are the requirements for latrine type?
Tactical situation Size of unit males/ females Material Length of stay Water Soil
How many latrines are required for every 17 soldiers?
One per 17
How far should latrines be from water source?
100ft downstream
How far should latrines be from dining facility?
100 yards downwind
How far should the latrines be from the unit?
Reasonably accessible about 30 yards
What are the requirements for latrine operation?
Handwashing Drainage Fly control Soakage pit for urinals Toilet paper, covered
What hand washing device is 37 gallons?
Lister bag
When should the field waste latrine be closed off?
Builds up within 1 foot from the surface
How do you close off the latrine?
Insecticide, then 3” dirt - repeated 4 times until flush with surface
then mound over with another 1 foot of dirt.
Spray 2 foot radius with insecticide. Post a sign if tactical situation permits
What are the disposal methods for Garbage and Rubbish
Bury, burn, or recycle
How big should the garbage pit be?
4 foot cube.
How long is a garbage pit suitable for?
1 day
How big is the continuous trench?
2’ wide, 3-4’ deep. Extend as required
How long is a continuous trench suitable for?
2 days or more
When should you use the burn method?
When conditions will not permit burial.
What devices are used for liquid waste disposal?
Filter Grease trap
Baffle Grease trap
Soakage pit or trench
What is a filter grease trap?
55 gal drum filled with rocks, gravel, and sand
Screen on top, perforated bottom
Direct method of introduction
What is a baffle grease trap?
Watertight box or barrel, where grease floats to the top and water drains to the soakage pit
Pipe method of introduction
What temperature is used to incinerate infectious waste?
1400-2000º F
How should infectious waste be disposed?
Marked, double bag, seal, burn, bury
