1. Hinds International (HK) Ltd. IAQ Lecture Series Speaker : Kee-Neng Wai, Ph.D Date : August 9, 2011 X. Air Quality of Old Folks Homes A summary of our objectives and guidelines

2. Our Deteriorating Air Quality

3. Building Ventilation & Our Life Style

4. Guidance Notes of Indoor Air Quality in Hong Kong IAQ Guidance Notes

5. Sick Building Syndrome

6. Optimum Relative Humidity Ranges for Health

7. Atmospheric Level (Mauna Loa Lab .)

8. An Atmospheric CO2 Profile Victoria Harbour Front

9. Perspiring, headache, restlessness and increase of heart rate Indoor CO2 Level and Related Illness Sick Building Syndrome due to poor ventilation and increase of heart rate Good IAQ Excellent IAQ Yawning Threshold Dozing Threshold Long Term Effects: Building Ordinance Section 123 guidelines 1900 1960 2000 2010 2020 2030 260 300 360 400 450 500 ↑ 800 1000 1500 2000 2500 and above Hypertension, pains and aches Stomach acid/ulcer ……………………………………… .. ……………………………………… .. ……………………………………… .. Year CO 2 level Based on 5 air-exchanges

10. Comfort Indicators Toxic Gases Carcinogens & BRI IAQ Guidelines Formaldehyde ppb <24 <81 Radon Bq/m 3 <150 <200 RSP (PM 10 ) µg/m 3 <20 <180 Airborne Bacteria cfu/m 3 <500 <1,000 Ozone ppb <25 <61 Nitrogen Dioxide ppb <21 <80 TVOC ppb <87 <261 Carbon Monoxide ppm <1.7 <8.7 Parameter Unit Excellent Good Temperature ºC 20 to 25.5 <25.5 Relative Humidity % 40 to 70 <70 Air Movement m/s <0.2 <0.3 Carbon Dioxide ppm <800 <1,000 Recommended NEW Guidelines 20 to 25 40 to 65 <0.3 <800/ <1,200 <100 <20/ <80 <100/ <300 <2.0/ <10 <100 <200 TD 2.5 Particle Numbers Delete

11. IAQ Guidelines for Old Folks Home COMFORT FACTORS 1 2 AVOIDABLE POLLUTANTS Parameters Unit Office Guidelines Old Folks Home Guidelines Excellent Class Good Class Room Temperature o C 20 to 25.5 < 25.5 25±2 Relative Humidity % 40 to 70 < 70 50±10 Air Movement m/s < 0.2 < 0.3 <0.3 Respirable Suspended Particulates (PM 10 ) μ g/m 3 < 20 < 180 Electronic Air Filter Radon (Rn) Bq/m 3 < 150 < 200 < 200 by Law Airborne Bacteria cfu/m 3 < 500 < 1,000 Electronic Air Filter

12. IAQ Guidelines for Old Folks Home UNDESIRABLE AND TOXIC GASE 3 Parameters Unit Office Guidelines Old Folks Home Guidelines Excellent Class Good Class Carbon Dioxide (CO 2 ) ppm(v/v) < 800 < 1,000 < 1,200 Carbon Monoxide (CO) ppm(v/v) < 1.7 < 8.7 < 10 Formaldehyde (HCHO) ppb(v/v) < 24 < 81 < 100 Nitrogen Dioxide (NO 2 ) ppb(v/v) < 21 < 80 <100 Total Volatile Organic Compounds (TVOC) ppb(v/v) < 87 <261 < 300 Ozone (O 3 ) ppb(v/v) < 25 < 61 < 100

13. IAQ Objectives Money Saved 節省金錢 II. Healthy Environment 健康工作環境 IV. Communication & Fair Trade 交流及公平交易 III. Problem Solving 解決問題 I. Energy Saving 節省能源 減少排放

17. The PPM-Hinds IAQ Profile Monitor The Computerized SAS Model & System The Wireless Model & System

20. Trouble Shooting

21. (6P, 4Day) IAQ Profile – SP1

22. A (CO2, 4D) Profile at SP1

23. A (Temp, 4D) Profile at SP1

24. A (RH, 4D) Profile at SP1

25. A (HCHO, 4D) Profile at SP1

26. C – Emission ► C – Burnt ► CO 2 emitted Saving of 20% ► Saving in C burnt ► Saving in CO2 emission ► Money Saved Annually $20,000,000 20,000,000 KWH Annual Power Cost Power Consumed 2,000 Tons 6,000,000 kg 400Tons 1,200,000 kg $4,000,000

27. Our Objectives Money Saved 節省金錢 II. Healthy Environment 健康工作環境 IV. Communication & Fair Trade 交流及公平交易 III. Problem Solving 解決問題 I. Energy Saving 節省能源 減少排放