Minnesota Administrative Rules
Agency 167 - Pollution Control Agency
Chapter 7049 - WASTEWATER PRETREATMENT
Part 7049.0980 - SUBSTANTIAL MODIFICATIONS DEFINED
Current through Register Vol. 49, No. 13, September 23, 2024
Substantial modifications include:
A. modifications that relax POTW legal authorities, as described in part 7049.0820, except for modifications that directly reflect a revision to this chapter and are reported pursuant to part 7049.1000;
B. modifications that relax local limits, except for the modifications to local limits for pH and reallocations of the maximum allowable industrial loading of a pollutant that do not increase the total industrial loadings for the pollutant, which are reported pursuant to part 7049.1000. "Maximum allowable industrial loading" means the total mass of a pollutant that all industrial users of a POTW, or a subgroup of industrial users identified by the POTW authority, may discharge pursuant to limits developed under part 7049.0850;
C. changes to the POTW's control mechanism, as described in part 7049.0890;
D. a decrease in the frequency of self-monitoring or reporting required of industrial users;
E. a decrease in the frequency of industrial user inspections or sampling by the POTW;
F. changes to the POTW's confidentiality procedures; and
G. other modifications designated as substantial modifications by the agency on the basis that the modification could:
Statutory Authority: MS s 115.03