Tamie (39990 pts)
1 week Ago
Sshould I shake CBOD sample to get the DO below 9mg/l?
Final effluent DO is 10.57mg/l. I shook the sample until the DO was approximately 8.78mgI used 4 sample dilutions of 100, 150, 200, and 250mls. After 5 days the final DOs were all below 0.20mg.When I didnt shake sample that were over a DO of 10mg/l, I got results that were OK.Why i...