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How many window exits do the 170/175 have? - CORRECT ANSWER0 How many doors on the 170/175? - CORRECT ANSWER4 How many seats on the 170? - CORRECT ANSWER65 How many seats on the 175? - CORRECT ANSWER76 How many first class seats on the 170/175 - CORRE

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Commercial Contractor - CORRECT ANSWERRequired for on‐site sewage system installations with a design flow rate greater than 2,000 gallons per day Drip Emitter - CORRECT ANSWERRequired for the installation of aerobic drip emitter systems Area Fill Mound - CORRECT ANSWERRequired for the installation of an area fill system or a Wisconsin mound system Pumper - CORRECT ANSWERrequired for septage removal and disposal. Septage Removal and Disposal Permit - CORRECT ANSWERpermit required for septage removal and disposal. on‐site sewage system construction permit - CORRECT ANSWERpermit required to begin the physical development of a lot or structure ‐ where an on‐site sewage management system will be used approved on‐site sewage management system - CORRECT ANSWERAny facility having occupancy for two hours or more disposed of in an approved system - CORRECT ANSWERwastewater generated from a facility, including washing machine water Pit Privies - CORRECT ANSWERan acceptable means of sewage disposal for a facility not served by water under pressure a certified septic tank pumper sewage removal contractor - CORRECT ANSWERpumping of the septic tank must be performed by minimum requirements for the septic system. - CORRECT ANSWERtank size, trench length, depth and width, and any special conditions for the installation

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Georgia Onsite Septic Section D Exam
2025 With 100% Correct Answers


What does bacterial action does septic tanks rely on for treatment? - CORRECT
ANSWER✔✔Anaerobic



What introduces atmospheric air into the sewage to promote treatment by aerobic bacteria? -
CORRECT ANSWER✔✔Aerobic Treatment Units (ATU's)



What provides treatment through anaerobic and aerobic bacterial action and/or mechanical
filtering, ozonation, or ultraviolet irradiation? - CORRECT ANSWER✔✔Combination Units



What is the primary purpose of the septic tank? - CORRECT ANSWER✔✔To remove solids
suspended in the wastewater



What is sludge? - CORRECT ANSWER✔✔accumulated solids



How long do sludge and scum collect in the septic tank without disturbing the sedimentation
function? - CORRECT ANSWER✔✔A few years (3-5years)



What four effects does digestion have on septic tank performance? - CORRECT ANSWER✔✔1.
The sludge volume can be reduced by 40% which reduces the septage pumping frequency

2. The rising gas bubbles from the sludge blanket may carry active organisms, seeding the clear
liquid space of the tank to speed decompositions of the solids which remain suspended in the
liquid

3. The rising bubbles may interfere with effective settling and, thereby, carry suspended solids
out of the tank

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