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The GovernmentThe Government’’s Indoor Air Qualitys Indoor Air QualityManagement ProgrammeManagement Programme

bybyMr. Joe FONGMr. Joe FONG

Environmental Protection DepartmentEnvironmental Protection Department

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The GovernmentThe Government’’s Work on Improving IAQs Work on Improving IAQNov 1993 Nov 1993 –– second review of the second review of the ““1989 White Paper on1989 White Paper on

Pollution in Hong KongPollution in Hong Kong””

End 1997 End 1997 –– completed the study completed the study ““IAQ in Offices and IAQ in Offices and Public PlacesPublic Places””

Late 1999 Late 1999 –– proposed the IAQ Management proposed the IAQ Management ProgrammeProgramme

Jan 2000 Jan 2000 –– completed trade and public consultationcompleted trade and public consultation

Jun 2000 Jun 2000 –– consulted the consulted the LegCoLegCo on the implementationon the implementationplan of the IAQ Management plan of the IAQ Management ProgrammeProgramme

Jan 2001 Jan 2001 –– set up the IAQ Information Centreset up the IAQ Information Centre

Since 2001 Since 2001 –– promote the importance of IAQ through promote the importance of IAQ through an education and publicity an education and publicity programmeprogramme

Sept 2003 Sept 2003 –– launch the voluntary IAQ Certification Scheme launch the voluntary IAQ Certification Scheme

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Study on Study on ““IAQ in Offices and Public PlacesIAQ in Offices and Public Places””

A consultancy study to characterize and quantify IAQ in A consultancy study to characterize and quantify IAQ in offices and public places in Hong Kongoffices and public places in Hong Kong

The study completed in 1997 with 40 offices and The study completed in 1997 with 40 offices and 38 public places surveyed38 public places surveyed

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Study FindingsStudy Findings

Nature and extent of indoor air pollution similar to other Nature and extent of indoor air pollution similar to other developed countriesdeveloped countries

Offices Premises Offices Premises —— about oneabout one--third of the office buildings third of the office buildings might be identified as might be identified as ““sicksick”” buildings buildings

Public Places Public Places —— carbon dioxide level and other pollutants carbon dioxide level and other pollutants such as formaldehyde, nitrogen dioxide, bacterial counts, such as formaldehyde, nitrogen dioxide, bacterial counts, etc. are high in generaletc. are high in general

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Membership List of IAQ Management GroupMembership List of IAQ Management Group

Environment, Transport and Works Bureau (the Chairman)Environment, Transport and Works Bureau (the Chairman)Education and Manpower BureauEducation and Manpower BureauHealth, Welfare and Food BureauHealth, Welfare and Food BureauArchitectural Services DepartmentArchitectural Services DepartmentBuildings DepartmentBuildings DepartmentCustoms and Excise DepartmentCustoms and Excise DepartmentDepartment of HealthDepartment of HealthElectrical and Mechanical Services DepartmentElectrical and Mechanical Services DepartmentEnvironmental Protection DepartmentEnvironmental Protection DepartmentFire Services DepartmentFire Services DepartmentFood and Environmental Hygiene DepartmentFood and Environmental Hygiene DepartmentHousing DepartmentHousing DepartmentLabour DepartmentLabour Department

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GovernmentGovernment’’s Strategy to Improve IAQs Strategy to Improve IAQ

Basic principles adopted:Basic principles adopted:--

precautionary principleprecautionary principle

““polluter payspolluter pays”” principleprinciple

voluntary mechanismsvoluntary mechanisms

““right to knowright to know”” principleprinciple

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Public Consultation ...Public Consultation ...

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IAQ Management ProgrammeIAQ Management Programme

launching a public education and publicity campaignlaunching a public education and publicity campaign

99 1010

1111 1212

IAQ Management ProgrammeIAQ Management Programme

launching a public education and publicity campaignlaunching a public education and publicity campaign

setting up an IAQ Information Centresetting up an IAQ Information Centre

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1313 1414

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IAQ Management ProgrammeIAQ Management Programme

launching a public education and publicity campaignlaunching a public education and publicity campaign

setting up an IAQ Information Centresetting up an IAQ Information Centre

adopting a set of IAQ Objectives as a common benchmark adopting a set of IAQ Objectives as a common benchmark for assessing IAQfor assessing IAQ

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Adopting a set of IAQ ObjectivesAdopting a set of IAQ Objectives

A set of IAQ Objectives is as below:A set of IAQ Objectives is as below:--

Excellent Class Excellent Class

−− represents very good IAQ that a highrepresents very good IAQ that a high--class and comfortable class and comfortable building should havebuilding should have

Good ClassGood Class

−− represents the IAQ that provides protection to the public at represents the IAQ that provides protection to the public at large including the very young and the agedlarge including the very young and the aged

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IAQ Objectives for Offices & Public Places IAQ Objectives for Offices & Public Places

< 1,000< 1,000< 500< 500cfu/mcfu/m33空氣中細菌空氣中細菌 Airborne BacteriaAirborne Bacteria< 200< 200< 150< 150Bq/mBq/m33氡氣氡氣 Radon (Rn)Radon (Rn)

< 600< 600< 200< 200µµg/mg/m33總揮發性有機化合物總揮發性有機化合物 Total Volatile OrganicTotal Volatile OrganicCompounds (TVOC)Compounds (TVOC)

< 100< 100< 30< 30µµg/mg/m33甲醛甲醛 Formaldehyde (HCHO)Formaldehyde (HCHO)< 120< 120< 50< 50µµg/mg/m33臭氧臭氧 Ozone (OOzone (O33))< 150< 150< 40< 40µµg/mg/m33二氧化氮二氧化氮 Nitrogen Dioxide (NONitrogen Dioxide (NO22))

< 180< 180< 20< 20µµg/mg/m33可吸入懸浮粒子可吸入懸浮粒子 Respirable SuspendedRespirable SuspendedParticulates (Particulates (PMPM1010))

< 10,000< 10,000< 2,000< 2,000µµg/mg/m33一氧化碳一氧化碳 Carbon Monoxide (CO)Carbon Monoxide (CO)< 1,000< 1,000< 800< 800ppmvppmv二氧化碳二氧化碳 Carbon Dioxide (COCarbon Dioxide (CO22) )

< 0.3< 0.3< 0.2< 0.2m/sm/s空氣流動速度空氣流動速度 Air MovementAir Movement< 70< 7040 40 –– < < 7070%%相對濕度相對濕度 Relative HumidityRelative Humidity

< 25.5< 25.520 20 –– < < 25.525.5°°CC室內溫度室內溫度 Room TemperatureRoom Temperature

良好級良好級

GoodGoodClassClass

卓越級卓越級

ExcellentExcellentClassClass

八小時平均值八小時平均值

88--hour Averagehour Average單位單位

UnitUnit參數參數

ParameterParameter

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IAQ Management ProgrammeIAQ Management Programme

launching a public education and publicity campaignlaunching a public education and publicity campaign

setting up an IAQ Information Centre setting up an IAQ Information Centre

adopting a set of IAQ Objectives as a common benchmark adopting a set of IAQ Objectives as a common benchmark for evaluating and assessing IAQfor evaluating and assessing IAQ

publishing a set of Guidance Notes for better IAQ publishing a set of Guidance Notes for better IAQ managementmanagement

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1919 2020

IAQ Management ProgrammeIAQ Management Programme

launching a public education and publicity campaignlaunching a public education and publicity campaign

setting up an IAQ Information Centre setting up an IAQ Information Centre

adopting a set of IAQ Objectives as a common benchmark adopting a set of IAQ Objectives as a common benchmark for evaluating and assessing IAQfor evaluating and assessing IAQ

publishing a set of Guidance Notes for better IAQ publishing a set of Guidance Notes for better IAQ managementmanagement

promulgating a voluntary IAQ Certification Scheme promulgating a voluntary IAQ Certification Scheme

reviewing the need for setting up a mandatory IAQ control reviewing the need for setting up a mandatory IAQ control regimeregime

developing a set of professional practice notes for developing a set of professional practice notes for airair--conditioned public transport facilitiesconditioned public transport facilities

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Indoor Air Quality Certification Scheme Indoor Air Quality Certification Scheme for Offices and Public Placesfor Offices and Public Places

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What is the "IAQ Certification Scheme"? What is the "IAQ Certification Scheme"?

The IAQ Certification Scheme aims to:The IAQ Certification Scheme aims to:

recogniserecognise good IAQ management practicesgood IAQ management practices

provide incentives for owners of premises/ buildings or provide incentives for owners of premises/ buildings or property management companies to pursue the best level property management companies to pursue the best level of IAQof IAQ

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Why Participate?Why Participate?

provide a good and healthy indoor environment provide a good and healthy indoor environment

improve the productivity and minimize medical expenses improve the productivity and minimize medical expenses

increase the competitiveness of the building increase the competitiveness of the building

enhance the corporate imageenhance the corporate image

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Key Features of the Certification SchemeKey Features of the Certification Scheme

Voluntary and selfVoluntary and self--regulatory approachregulatory approach

TwoTwo--levels of levels of IAQ objectivesIAQ objectives

An IAQ certificate for display in the premisesAn IAQ certificate for display in the premises

Certify entire building or selected Certify entire building or selected location(slocation(s) )

The certificate is valid for 12 months The certificate is valid for 12 months

Measure a full set of parameters every 5 years Measure a full set of parameters every 5 years

Need to maintain postNeed to maintain post--certification IAQcertification IAQ

2626< 1,000< 500cfu/m3空氣中細菌Airborne Bacteria

< 200< 150Bq/m3氡氣Radon (Rn)

< 600< 200µg/m3總揮發性有機化合物Total Volatile Organic Compounds (TVOC)

< 100,< 30µg/m3甲醛Formaldehyde (HCHO)

< 120< 50µg/m3臭氧Ozone (O3)

< 150< 40µg/m3二氧化氮Nitrogen Dioxide (NO2)

< 180< 20µg/m3可吸入懸浮粒子Respirable Suspended Particulates (PM10)

< 10,000< 2,000µg/m3一氧化碳Carbon Monoxide (CO)

< 1,000< 800ppmv二氧化碳Carbon Dioxide (CO2)

< 0.3< 0.2m/s空氣流動速度Air Movement

< 7040 – < 70%相對濕度Relative Humidity

< 25.520 – < 25.5°C室內溫度Room Temperature

良好級

Good Class卓越級

Excellent Class

八小時平均值

8-hour Average單位

Unit參數

Parameter

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ApplicabilityApplicability

Buildings or totally enclosed areas for use as offices or Buildings or totally enclosed areas for use as offices or public places which are served by MVAC systempublic places which are served by MVAC systemss

office buildingsoffice buildings

shopping mallsshopping malls

hotels & restaurantshotels & restaurants

theatres & cinemastheatres & cinemas

karaokeskaraokes etcetc

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Key Steps for IAQ CertificationKey Steps for IAQ Certification

Step 1 : Engage a Competent ExaminerStep 1 : Engage a Competent Examiner

Step 2 : Conduct Walkthrough InspectionStep 2 : Conduct Walkthrough Inspection

Step 3 : Conduct IAQ MeasurementStep 3 : Conduct IAQ Measurement

Step 4 : Sign Off IAQ CertificateStep 4 : Sign Off IAQ Certificate

Step 5 : Apply for RegistrationStep 5 : Apply for Registration

Step 6 : Complete RegistrationStep 6 : Complete Registration

Step 7 : Manage PostStep 7 : Manage Post--certification IAQcertification IAQ

Step 8 : Initiate Certificate RenewalStep 8 : Initiate Certificate Renewal

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IAQ ParametersIAQ Parameters

12 IAQ parameters 12 IAQ parameters

3 physical parameters 3 physical parameters

room temperature, relative humidity, air movementroom temperature, relative humidity, air movement

8 chemical parameters8 chemical parameters

carbon dioxide (COcarbon dioxide (CO22), carbon monoxide (CO), ), carbon monoxide (CO), respirablerespirablesuspended particulates (PMsuspended particulates (PM1010), nitrogen dioxide (NO), nitrogen dioxide (NO22), ), ozone (Oozone (O33), formaldehyde (HCHO), total volatile organic ), formaldehyde (HCHO), total volatile organic compounds (TVOC), radon (compounds (TVOC), radon (RnRn))

1 biological parameter1 biological parameter

airborne bacteriaairborne bacteria3030

If the IAQ Objectives are met, competent examiner signs off the IAQ certificate

To maintain IAQ at the certified level, the competentexaminer should advise owner/ management of the premises/ building to adopt post-certification measures

If the IAQ Objectives are met,If the IAQ Objectives are met, competent examiner signs competent examiner signs off the IAQ off the IAQ certificatecertificate

To maintain IAQ at the certified level,To maintain IAQ at the certified level, the cthe competentompetentexaminer should advise owner/ management of the examiner should advise owner/ management of the premises/ building to adopt postpremises/ building to adopt post--certification measurescertification measures

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Excellent and Good Class IAQ CertificatesExcellent and Good Class IAQ Certificates

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Apply for Registration of the CertificateApply for Registration of the Certificate

Submit the followings to IAQ Information Centre:Submit the followings to IAQ Information Centre:

original copy of an application formoriginal copy of an application form

original copy of the certificate issued by the competent original copy of the certificate issued by the competent examinerexaminer

a duplicate copy of the certification reporta duplicate copy of the certification report

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Complete RegistrationComplete Registration

IAQ Information CentreIAQ Information Centre

insert a registration number on the certificateinsert a registration number on the certificate

upload relevant information to the Centre web pageupload relevant information to the Centre web page

Owner/ management of the premises/ building to display Owner/ management of the premises/ building to display the certificate at a prominent location of the premises/ the certificate at a prominent location of the premises/ buildingbuilding

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Manage PostManage Post--Certification IAQ Certification IAQ

To ensure IAQ is maintained at the certified level:To ensure IAQ is maintained at the certified level:

develop an IAQ management develop an IAQ management programmeprogramme

proper operation and maintenance of the MVAC systemproper operation and maintenance of the MVAC system

exercise good housekeepingexercise good housekeeping

ban smoking ban smoking

control emission of pollutants during major alteration and control emission of pollutants during major alteration and renovationrenovation

use products/ equipment with low emission of indoor air use products/ equipment with low emission of indoor air pollutantspollutants

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Initiate Certificate RenewalInitiate Certificate Renewal

ReRe--certification measurements can start within 3 months certification measurements can start within 3 months before the expiry of the current certificatebefore the expiry of the current certificate

Measurements for reMeasurements for re--certification certification

Full set of IAQ measurements every 5 yearsFull set of IAQ measurements every 5 years

COCO22 and and PMPM1010 measurements inmeasurements in--between provided:between provided:No change to the usage of the premises/ buildings No change to the usage of the premises/ buildings which may adversely affect the IAQwhich may adversely affect the IAQNo major alteration, or change to the operation or No major alteration, or change to the operation or maintenance, of the MVAC systemmaintenance, of the MVAC systemThe application for registration renewal is submitted The application for registration renewal is submitted within 3 months after the previous certificate is within 3 months after the previous certificate is expiredexpired 3636

Certification Guide and Guidance NotesCertification Guide and Guidance Notes

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3737 383838

Thank You!Thank You!