Answer:
474.59 mg/L
Explanation:
Given that
BOD = 30 mg/L
Original BOD = 30 mg/L × dilution factor
Original BOD = 30 mg/L × 10 = 300 mg/L
![L_o = \frac{BOD}{1-e^{-5t}}](https://tex.z-dn.net/?f=L_o%20%3D%20%5Cfrac%7BBOD%7D%7B1-e%5E%7B-5t%7D%7D)
here
is the ultimate BOD ; BOD is the biochemical oxygen demand ; t = 0.20 /day
![L_o = \frac{300}{1-e^{-5(0.20)}}](https://tex.z-dn.net/?f=L_o%20%3D%20%5Cfrac%7B300%7D%7B1-e%5E%7B-5%280.20%29%7D%7D)
Examples of quality assurance activities include process checklists, process standards, process documentation and project audit. Examples of quality control activities include inspection, deliverable peer reviews and the software testing process. You may like to read more about the quality assurance vs quality control.
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