Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
Where do you find WWTP regulations? |
NPDES Permits, state ADEM, and the EPA. |
|
Thinking filters using rock media effluent DO should be ___to ___ mg/L. |
3 to 6 mg/L |
|
Thinking filters using systhetic media effluent DO should be ___to ___ mg/L. |
4 to 8 mg/L |
|
Odor complaints at lift station, what do you do? |
Provide air relief valves at high points. Start a odor relief program & provide solutions. |
|
C vale of a pipe is the _____ of the pipe. |
Roughnesss |
|
Pneumatic device is operated by ____ |
Air |
|
When circuits are operating in parallel and one goes out the other... |
Circuits remain open. |
|
If the sludge concentration in the RAS is to low what is the probAble cause? |
*SVI is too low *young sludge *increase the STR |
|
Dead spots in the aeration tank |
*bad diffuser *possibly a break in the diffuser |
|
What is a good SVI value? |
100 to 200 |