Let's summarize what we found out about the limits for this facility:
The City cannot go over:
BOD: 30 (monthly average) or 45 (daily maximum)
TSS: 90 (monthly average) or 120 (daily maximum)
The City must go over:
DO: 2 mg/l
BOD Removal: 85%
TSS Removal: 85% (note that this particular City is exempted from this requirement, but you should make note of these exceedances anyway)
The City must stay between:
pH: 6 - 9
There are no limits for:
Go back to the permit and see whether you can figure out these limits on your own. If you are still confused? Send us an email and we may be able to answer your questions.
Once You Know the Limits, Go to Step Two: Have They Violated Those Limits? and View the Sample DMRs and Spot the Violations.