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IPP acronyms and abbreviations

The goal of the Industrial Pretreatment Program (IPP) is to protect, preserve and improve the surface water quality of Michigan through the implementation of Federal and State rules designed to limit pollution from industrial discharges to publicly owned wastewater treatment facilities. The following list contains common acronyms and abbreviations used in the IPP.
  • AHL: Allowable Headworks Loading
  • BAT: Best Available Technology [Economically Achievable]
  • BCT: Best Conventional Pollutant Control Technology
  • BMP: Best Management Practice
  • BMR: Baseline Monitoring Report
  • BOD: Biochemical Oxygen Demand
  • BOD5: 5-day Biochemical Oxygen Demand
  • BPT: Best Practicable Control Technology [Currently Available]
  • CFR: Code of Federal Regulations
  • CIU: Categorical Industrial User
  • CROMERR: Cross-Media Electronic Reporting Rule
  • CSO: Combined Sewer Overflow
  • CWA: Clean Water Act
  • CWF: Combined Wastestream Formula
  • ELG: Effluent Limitations Guideline
  • EPA: [U.S.] Environmental Protection Agency
  • ERG: Enforcement Response Guide
  • ERP: Enforcement Response Plan
  • FDF: Fundamentally Different Factors
  • FOG: Fats, Oils, and Grease
  • FWA: Flow-Weighted Average
  • gpd: Gallons per Day
  • IU: Industrial User
  • IWS: Industrial Waste Survey
  • MAHL: Maximum Allowable Headworks Loading
  • MAIL: Maximum Allowable Industrial Loading
  • MG: Million Gallons
  • MGD: Million Gallons per Day
  • mg/L: Milligrams per Liter
  • NAICS: North American Industry Classification System (replaced Standard Industrial Classification [SIC] system)
  • NOV: Notice of Violation
  • NPDES: National Pollutant Discharge Elimination System
  • NSPS: New Source Performance Standard
  • P2: Pollution Prevention
  • PCBs: Polychlorinated Biphenyls
  • POTW: Publicly Owned Treatment Works
  • PSES: Pretreatment Standards for Existing Sources
  • PSNS: Pretreatment Standards for New Sources
  • RCRA: Resource Conservation and Recovery Act
  • SIC: Standard Industrial Classification (replaced by NAICS)
  • SIU: Significant Industrial User
  • SNC: Significant Noncompliance
  • SUO: Sewer Use Ordinance
  • TOMP: Toxic Organic Management Program
  • TRE: Toxicity Reduction Evaluation
  • TRC: Technical Review Criteria
  • TSS: Total Suspended Solids

Contact us

Rodger Fain, FainR@Michigan.gov, 517-388-0265