1. Window

4. Good Class
Excellent Class

5. Outdoor Ambient level (Annual Average)
Roadside stations = 1.1 ppm
Urban stations = 0.75 ppm
Good Class
Excellent Class

6. Good Class
Excellent Class

7. Outdoor Ambient level (Annual Average)
Roadside stations = 70 ppb
Urban stations = 45 ppb
Good Class
Excellent Class

8. Good Class
Excellent Class

12. Good Class
Excellent Class

13. Outdoor Ambient level (Annual Average)
Roadside stations = 1.1 ppm
Urban stations = 0.75 ppm
Good Class
Excellent Class

14. Good Class
Excellent Class

15. Outdoor Ambient level (Annual Average)
Roadside stations = 70 ppb
Urban stations = 45 ppb
Good Class
Excellent Class

16. Good Class
Excellent Class

17. Unit 2
Unit 4

20. Good Class
Excellent Class

21. Outdoor Ambient level (Annual Average)
Roadside stations = 1.1 ppm
Urban stations = 0.75 ppm
Good Class
Excellent Class

22. Good Class
Excellent Class

23. Outdoor Ambient level (Annual Average)
Roadside stations = 70 ppb
Urban stations = 45 ppb
Good Class
Excellent Class

24. Good Class
Excellent Class

25. 10 commandments of IAQ
 Visual presentation
 Time as a dimension
 State-of-the-art technology
 Automatic air monitoring
 Data logging
 Computerization
 Information technology
 Quantitative
 Accurate, precise
 Labour saving & cost effective