Introductory technical guidance for civil engineers, environmental engineers, mechanical engineers and other professional engineers and construction managers interested in oily wastewater collection and treatment. Here is what is discussed: 1. OBJECTIVES, 2. SOURCES, 3. DISCHARGE CRITERIA, 4. POINT SOURCE CONTROL, 5. DISPOSAL OF OIL, 6. EMERGENCY CONTAINMENT AND CLEANUP, 7. OILY WASTEWATER CHARACTERISTICS, 8. COLLECTION AND TRANSFER, 9. OILY WASTEWATER TREATMENT, 10. DESIGN CRITERIA FOR OIL-WATER SEPARATORS AND APPURTENANCES.