WASTEWATER TREATMENT. EXAM
2025 QUESTIONS AND ANSWERS
One advantage of Onsite Systems - ANS It's a source of groundwater recharge.
Public health and environmental protection officials now acknowledge that onsite systems
are... - ANS not just temporary installations, but permanent approaches.
OSTDS are potentially viable if... - ANS planned, designed, installed, operated, and
maintained properly.
Black Water constituents - ANS Toilet, Kitchen, Dish Washer.
Gray Water constituents - ANS Bath/Shower, Clothes Washer, Misc
Toilet Generates - ANS the most water use per day.
Washing machine generates - ANS the most gallons per use.
Highest BOD contributor - ANS Bathing, sinks, appliances (28.5 gpcd)
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