(A) Abbreviations. The following are a list of abbreviations that may appear in the document and be relative to the USEPA National Pretreatment Program:

• CFR Code of Federal Regulations
• LC50 Lethal concentration of 50% of the test organisms
• lLiter
• MGD Million gallons per day
• mg/l Milligrams per liter
• RCRA Resource Conservation and Recovery Act
• SIC Standard industrial classification numberissued by the U.S. Office of Management and Budget
• SWDA Solid Waste Disposal Act (42 U.S.C. 6901, et seq.)
• TSSTotal suspended solids
• TTO Total toxic organic
• USC United States Code