End Posting Theory Portion Environment 1. Environment as a component of the Epidemiological Triad 2. Housing standards 3. Overcrowding 4. Ventilation 5. Lighting 6. Air pollution 7. Noise pollution 8. Radiation pollution 9. Preventive measures for environmental hazards Water & Sanitation 10. Sources of water 11. Wholesome water 12. Water quality standards 13. Chlorine demand 14. Large-scale water purification Medical Entomology 15. Vectors of public health importance Public Health System 16. Indian Public Health Standards (IPHS) 17. Primary Health Centre (PHC) 18. Health Sub-centre (HSC) 19. Functions of PHC and HSC Nutrition 20. Nutritional problems of public health importance in India 21. National Nutrition Programmes 22. Integrated Child Development Services (ICDS) 23. Nutritional assessment of individuals and families Food Hygiene 24. Food fortification 25. Food adulteration 26. Prevention of food adulteration 27. Food standards 28. National Nutrition Policy Waste Management 29. Solid waste disposal 30. Open Air Defecation (OAD) – Social factors 31. Sewage disposal methods