2. The following measurements were made below a sewage plant outfall into a stream: Travel time (d) 0 2 3 4 5 6 8 10 CBOD (mg/L) 50 38.9 30 23 17.7 13.9 11.4 6.7 3.7 DO (mg/L) 10 5.3 2.7 1.6 1.3 1.6 2.2 4 5.7 The water temperature below the outfall is 10 C. (a) Determine the BOD removal, deoxygenation, and reaeration rate coefficients in the stream. Comment on the suitability of the results