The document discusses indoor air quality (IAQ) management and energy reduction strategies for buildings. It outlines a plan to retrofit the Willis Tower in Chicago to reduce energy usage by 80% through upgrades like windows, lighting, and elevator systems. Examples are given of how annual energy savings of 25% and $5 million could be achieved through measures like optimizing IAQ management systems. Guidelines are proposed for air quality parameters and comfort factors. Common sick building syndrome issues and an IAQ management center concept are also mentioned.

1. I. Scientific and Systematic Management of IAQ - for Building Service Professionals II. The Importance of A Standard for IAQ III. Living in Harmony with Nature IV. Building Management of the 21 st Century V. Automatic IAQ Management Systems IAQ Lecture Series Speaker: Kee-Neng Wai, Ph.D Date: Jul 15, 2010 For: Environmental Protection Department

2. The 21 st Century IAQ Management - Knowledge Based Management - Data Based Management - Problem Solving IAQ Objectives

3. Our Deteriating Air Quality

7. Guidance Notes of Indoor Air Quality in Hong Kong

8. Carcinogens/ Bacteria/ RSP Parameter Excellent Good Our Proposed guidelines Formaldehyde <24 ppb <81 ppb <100 ppb Radon <150 Bq/m 3 <200 Bq/m 3 <200 Bq/m 3 RSP (PM 10 ) <20 µg/m 3 <180 µg/m 3 (PM 2.5 ) By counts Airborne Bacteria <500 cfu/m 3 <1,000 cfm/m 3 Delete Comfort Factors Parameter Excellent Good Our Proposed guidelines Temperature 20 to 25.5 ºC <25.5 ºC 23  2 ºC Relative Humidity 40 to 70 % <70 % 55  15% Air Movement <0.2 m/s <0.3 m/s Optional Carbon Dioxide <800 ppm <1,000 ppm <1,200 ppm Toxic Gas Parameter Excellent Good Our Proposed guidelines Ozone <25 ppb <61 ppb <100 ppb Nitrogen Dioxide <21 ppb <80 ppb <80 ppb TVOC <87 ppb <261 ppb <300 ppb Carbon Monoxide <1.7 ppm <8.7 ppm <10 ppm

9. Common Sick Building Syndrome

10. Monitoring Carbon Dioxide with a Handheld Meter Day 1 measurement Day 2 measurement Time Location 09:00 11:00 13:00 15:00 17:00 PAU 534 559 636 657 629 Location 1 681 997 998 1085 1177 Location 2 697 1030 997 1090 1173 Time Location 08:00 10:00 12:00 14:00 16:00 PAU 539 693 630 834 737 Location 1 584 892 1078 1003 1052 Location 2 569 906 1086 1068 1119

13. Demo

15. Install ZigBee antenna Power up SAS Power up wireless unit Start measurement

17. 100067 – Carbon Dioxide