Exam (elaborations)
REHS EXAM: PRIVATE ONSITE WASTEWATER TREATMENT AND DISPOSAL Q&A
- Course
- Institution
Biochemical Oxygen Demand (BOD) - correct answer The difference between the initial dissolved O2 in a water sample and dissolved O2 in a duplicate sample after a stated period of time (usually 5 days). Best single measure of wastewater or polluted water. Chemical Oxygen Demand (COD) - correct an...
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