Clean Energy

Energy Efficient Building

Energy Audit

Energy Conservation

Embracing New

Challenges

Present IAQ Objectives

COM

FORT

FACTORS

1

2

AVOIDABLE

POLLU

TANTS

Parameter Unit8-hour average on 4 samples

Excellent Class Good Class

Room Temperature oC 20 to 25.5 < 25.5

Relative Humidity % 40 to 70 < 70

Air Movement m/s < 0.2 < 0.3

Respirable Suspended Particulates (PM10)

μg/m3 < 20 < 180

Radon (Rn) Bq/m3 < 150 < 200

Airborne Bacteria cfu/m3 < 500 < 1,000

Proposed IAQ Objectives

COM

FORT

FACTORS

1

2

AVOIDABLE

POLLU

TANTS

Parameter Unit1-hour TWA based on

IAQ ProfileExcellent Class Good Class

Room Temperature oC 22 to 25 20 to 25

Relative Humidity % 40 to 65 < 70

Air Movement m/s < 0.2 < 0.3

Respirable Suspended Particulates (PM2.5/PM1)

counts To be decided

Radon (Rn) Bq/m3 < 200

Microbial To be decided

PM size

45th Floor 26th Floor

Without e-filter With e-filterRemark: RSP measurement was taken September 2, 2008.

Transformation Series of the Uranium Family

Microbial Sizes

Present IAQ Objectives

3

GASEOU

S POLLU

TANTS

Parameter Unit8-hour average on 4 samplesExcellent Class Good Class

Carbon Dioxide (CO2) ppmv < 800 < 1,000

Carbon Monoxide (CO)

μg/m3 < 2,000 < 10,000ppmv < 1.7 < 8.7

Nitrogen Dioxide (NO2)

μg/m3 < 40 < 150ppbv < 21 < 80

Ozone (O3)μg/m3 < 50 < 120ppbv < 25 < 61

Formaldehyde (HCHO)μg/m3 < 30 < 100ppbv < 24 < 81

Total Volatile (TVOC) Organic Compounds

μg/m3 < 200 < 600ppbv < 87 < 261

Proposed IAQ Objectives

GASEOU

S POLLU

TANTS

3Parameter Unit

1-hour TWA based onIAQ Profile

Excellent Class Good Class

Carbon Dioxide (CO2) ppm(v/v) < 800 < 1,000

Carbon Monoxide (CO) ppm(v/v) < 2.0 < 10

Nitrogen Dioxide (NO2) ppb(v/v) < 20 < 80

Ozone (O3) ppb(v/v) < 25 < 60

Formaldehyde (HCHO) ppb(v/v) < 30 < 100

Total Volatile (TVOC) Organic Compounds ppb(v/v) < 100 <250&500

A

B

Case study 1: A General Office

Size: 10,000 ft 2

Occupancy: >100

Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B

CO2

CO2

Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B

CO

CO

Comparison of two IAQ(5P, 48H) Profiles taken at Sampling Points A & B

4/F

3/F

2/F

Confucius Teaching for Implementation of IAQ Policy

大學之道 - The moral of learning is

在明明德 - in differentiating the rights from the wrongs,

- in making progress

and

- simplification- standardization- implementation- integration- globalization

在止於至善 - in the pursuit of excellence.