30-71   Pollutants Subject To Surcharge
The monthly amount of pollutants subject to the surcharge will be based on the average loading per plant operating day, times the number of operating days in the month the limits are exceeded. The pollutants limits that shall be subject to a surcharge are as follows:
 
BOD
250 mg/L
Suspended Solids or TSS
250 mg/L
Fats, Oils, and Grease
100 mg/L
Total Nitrogen (Organic & Inorganic)
25 mg/L
Hydrogen Sulfide
0 mg/L
pH
less than 6 S.U.
pH
greater than 9 S.U.