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IAQ Measurement

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Water Measurement

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Indoor Air Quality, IAQ,             室內空氣質素, 香港, Hong Kong Air Purifier Center,             香港空氣淨化器中心


Indoor Air Quality (IAQ) Measurement

 

室內空氣質素測試

 


Indoor Air Quality Measurement

As an IAQ solution provider, Hong Kong Air Purifier Center provide measurement of IAQ parameters and help customer to apply IAQ Certificate according to Environmental Protection Department (EPD)’s Guidance Note in Hong Kong. We also provide FREE recommendation for customer to improve the IAQ level in her area.

 

Cause of indoor air pollution

The primary cause of indoor air pollution is the emission of polluting gases or particles indoors.The poor outdoor air quality also brings in air pollutants and odour into the ventilation system of the building. Inadequate ventilation can increase indoor air pollutant levels by not bringing in enough fresh air to dilute the pollutants and carrying them away. High temperature and humidity levels can also increase concentrations of some indoor air pollutants, such as formaldehyde or bacteria.

 

Common indoor air pollutants found in air-conditioned buildings

Common indoor air pollutants found in air-conditioned buildings include carbon dioxide, respirable suspended particulate, formaldehyde, total volatile organic compounds and airborne bacteria. The level of some combustion products like carbon monoxide and nitrogen dioxide may be high if there is a carpark close to your premises or burning stoves are used indoors (e.g. in barbecue restaurants). Elevated level of nicotine and respirable suspended particulates is not uncommon when there is smoking activity in the premises. In addition, the level of ozone may be high if a number of ozone emitting office equipment like laser printers, photocopiers, fax machines, are used in office without sufficient ventilation. For details, please refer to the IAQ leaflet entitled "Indoor Air Quality and You" published by the Environmental Protection Department (EPD).

 

12 Parameters / 12種之項指標

辦公樓宇及公眾場所的室內空氣質素指標

參數

單位

八小時平均 a

室內溫度

Room Temperature

° C

20 < 25.5 b

< 25.5 b

相對濕度

Relative Humidity

%

40 < 70 c

< 70

空氣流動速度

Air movement

m/s

< 0.2

< 0.3

二氧化碳 (CO2)

Carbon Dioxide (CO2)

ppmv

< 800 d

< 1,000 e

一氧化碳 (CO)

Carbon Monoxide (CO)

m g/m3

< 2,000 f

< 10,000 g

ppmv

< 1.7

< 8.7

可吸入懸浮粒子 (PM10)

Respirable Suspended Particulates (PM10)

m g/m3

< 20 f

< 180 h

二氧化氮 (NO2)

Nitrogen Dioxide (NO2)

m g/m3

< 40 g

< 150 h

ppbv

< 21

< 80

臭氧 (O3)

Ozone (O3)

m g/m3

< 50 f

< 120 g

ppbv

< 25

< 61

甲醛 (HCHO)

Formaldehyde (HCHO)

m g/m3

< 30 f

< 100 f, g

ppbv

< 24

< 81

總發揮性有機化合物 (TVOC)

Total Volatile Organic Compounds (TVOC)

m g/m3

< 200 f

< 600 f

ppbv

< 87

< 261

氡氣 (Rn)

Radon (Rn)

Bq/m3

< 150 i

< 200 f

空氣中細菌

Airborne Bacteria

cfu/m3

< 500 j, k

< 1,000 j, k

 

Scope of Work

To identity the measurement location

To measure the IAQ parameters

To prepare the measurement report and laboratory report

To suggest improvement method when the measured result is fail to comply with the EPD requirement

To re-measure the related parameters after improvement work has done.  

Assist to contact the third party (CIB) to apply IAQ certificate
[Note: Customers need to engage an HKAS approved "IAQ Certificate Issuing Body" (hereafter referred to as "CIB") themselves.]

 

For more details: www.iaqhk.com

室內空氣質素專題綱頁


Copyright@2017 Hong Kong Air Purifier Center Limited
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