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4 cards from this section. Quick, good the night before a test.
What does TDS stand for?
Think about what is dissolved in water.
Define BOD.
It's related to the oxygen needed for microbial action.
What does TSS stand for?
It measures solids that don't settle out.
True or False: COD is always lower than BOD.
Think about what each measurement encompasses.
Discuss how the presence of non-biodegradable substances can impact the ecological balance of aquatic environments and propose potential solutions for treatment.
Think about treatment that is not just chemical but also biological.
Given a scenario where a river shows an increasing BOD but stable COD readings, what could be inferred about the organic pollution? Suggest actions.
Consider what type of waste is being introduced into the ecosystem.
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