Collection System
100 gallons per day / 0.17 lbs BOD
What does each person contributes on average to the wastewater stream
Safety Data Sheet
What document will provide the name of the product and the manufacturer, potential hazards, and information for handling and storage of a Chemical
Hydrogen Sulfide
What gas most typically associated with septic wastewater
Suction Lift Station
What type of station must draw liquid up from a lower wet well
1 foot of Water
What is 0.433 psi
Lack of oxygen
What will caused sewage to turn septic in the collection system?
Confined Space
What is a space large enough for an employee to enter and work, has limited entry and exits and cannot sustain constant occupancy
Hydrogen Sulfide, Methane, Carbon Dioxide
What are sewer gasses
Dry Pit Lift Station
What type of station contain a wet well and a dry pit
1 psi
What is 2.31 ft of water
Dissolved, Suspended, Organic, Inorganic
What type of solids can be found in wastewater
Between 23.5% and 19.5%
What are the acceptable oxygen levels
Low pH
What factor is identified as influencing hydrogen sulfide production in sewers
Submersible lift station
What type of station has a submersible pump that is in the wet well on guide rails
1 cubic foot of water
What is 7.48 gallons
2 ft/sec
What is the minimum velocity in a sanitary sewer
Respiratory Protection
What type of PPE is required when working with fumes, dust, and vapors?
I.D.L.D.
Immediately Dangerous to Lift or health
Float Switches
What is a buoyant float with a built-in switch mechanism to indicate levels of wastewater in a wet well
1 cubic foot/sec
What is 448.8 gpm
I & I
What is Inflow and Infiltration
The person that locked out / tagged out the equipment
Who is authorized to remove the lock from the locked out/tagged out equipment?
Toxic, flammable, and oxygen deficient
What are three IDLH distinguished atmospheres types
Bubble Tube Level Control
What measures liquid level by using back pressure from a stream of gas bubbled through a dip tube
1 HP
What is 0.746 kW