Neil Dickson, Environment Officer
Environment Branch,
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2014
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
– Help States implement best practices to
assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2014
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/WACAF/Doc...20LAQ%20GuidanceV3_c_notes.pdf
Data Source: un
Neil Dickson
Environment Branch
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2014
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
– Help States implement best practices to
assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2014
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/Meetings/...AO_AirportAirQualityManual.pdf
Data Source: un
Neil Dickson, Environment Officer
Environment Branch,
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2014
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
– Help States implement best practices to
assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2014
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/Meetings/...a/4-2_Airport-LAQ-Guidance.pdf
Data Source: un
Neil Dickson, Environment Officer
Environment Branch,
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2014
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
– Help States implement best practices to
assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2014
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/Meetings/...Airport-LAQ-Guidance-notes.pdf
Data Source: un
Neil Dickson, Environment Officer
Environment,
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2015
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
Airport Air Quality Manual
© ICAO 2015
– Help States implement best practices to assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2015
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2015
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2015
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/Meetings/...Airport-LAQ-Guidance_notes.pdf
Data Source: un
Neil Dickson, Environment Officer
Environment Branch,
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2014
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
– Help States implement best practices to
assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2014
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2014
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/Meetings/...Airport-LAQ-Guidance_notes.pdf
Data Source: un
Neil Dickson, Environment Officer
Environment,
ICAO Air Transport Bureau
• The ICAO Airport Air Quality Manual
• Emissions Inventories
• Pollution Concentrations and Dispersion
Modelling
• Summary
© ICAO 2015
• ICAO has been involved with airport-
related emissions for many years.
• Guidance material on airport-related air
quality was published in 2011:
Airport Air Quality Manual
© ICAO 2015
– Help States implement best practices to assess airport air quality;
– ICAO Doc 9889.
(...) Emissions Inventories
• The actual arrival and departure phases of operations may be more appropriate:
– e.g. for departure: Engine start, Taxi to runway, Holding on ground Take-off roll to lift-off, Initial climb to power cutback.
© ICAO 2015
• Emissions occur at multiple locations during various time periods;
– Stationary sources such as generators;
– Mobile sources such as the aircraft.
• The dispersion of emissions requires both temporal and spatial considerations.
Pollution Concentrations and Dispersion Modelling
© ICAO 2015
• Atmospheric dispersion modelling is required to estimate the local ambient concentrations.
• The results form the basis for LAQ impact studies – Used to demonstrate compliance with required
regulations and standards.
• Existing pollution concentrations can also be assessed by in-situ observation of ambient conditions
– This assessment method can include contributions from other nearby and distant sources.
• Modelling results and ambient observations can be used for evaluating existing or historical conditions.
Pollution Concentrations and Dispersion Modelling
© ICAO 2015
• Emissions inventory, concentrations and dispersion modelling, and ambient observation elements can be used individually or in combination.
• The aim is to aid the process of understanding airport air quality, reporting, and compliance and/or mitigation planning.
• Subsequent air quality mitigation can have beneficial results for the:
– total emissions mass;
– concentration model results;
– measured pollutant concentrations.
Language:English
Score: 688908.54
-
https://www.icao.int/Meetings/...Airport-Air-Quality-Manual.pdf
Data Source: un
Unclear for workers’ representatives No clear role for labour inspector
Physisal/chemical properties
Operation Working environment
Concentration Exposure time Physical exertion
Dose Individual susceptibility
Toxicity
Health effect
Skin
Inhalation
Swallowing
Exposure route
Organising a precautionary approach Scheme for nano risk assessment
Items in particular influenced by Nano
Physisal/chemical properties
Operation Working environment
Concentration Exposure time Physical exertion
Dose Individual susceptibility
Health effect
Skin
Inhalation
Swallowing
Toxicity
(Some) relevant nano-specific properties
Physisal/chemical properties
Concentration
Dose
Health effect
Nano-size + size distribution
Dimension and form
Matrix and availability NP
Skin
Inhalation
Toxicity
Swallowing
Airborn behaviour of Nanoparticles
Physisal/chemical properties
Concentration
Dose
Health effect
Agglomeration
Gas-like behaviour
Skin
Inhalation
Toxicity
Swallowing
Uptake characteristics inhalation
Physisal/chemical properties
Concentration
DoseToxicity
Health effect
NP size ~10 – 80nm.… alveoli
NP <10 and >100nm secondary ingestionSkin
Inhalation
Swallowing
Uptake nano characteristics skin
Physisal/chemical properties
Concentration
DoseToxicity
Health effect
Skin condition
Surface charge (zeta)
NP size
Skin
Inhalation
Swallowing
Nano-influence on toxicity
Physisal/chemical properties
Concentration
DoseToxicity
Health effect
Increased surface
Increased reactivity
New chem/phys structures
De-agglomeration
Skin
Inhalation
Swallowing
Individual differences
Physisal/chemical properties
Concentration
DoseToxicity
Health effect
Skin
Inhalation
Swallowing
Individual susceptibility
Precautionary approach Taking measures Controling exposure
Operation Working environment
Concentration Exposure time Physical exertion
Dose
Health effect
Skin
Inhalation
Swallowing
Physisal/chemical properties
Adapting NP matrix
Precautionary approach Taking measures Controling exposure
Operation Working environment
Concentration Exposure time Physical exertion
Dose
Health effect
Equipment
Manual / automatic
Brush / roller / spray
Skin
Inhalation
Swallowing
Precautionary approach Taking measures Controling exposure
Operation Working environment
Concentration Exposure time Physical exertion
Dose
Health effect
Closed systems
Ventilation
Skin
Inhalation
Swallowing
Physisal/chemical properties
Precautionary approach Taking measures Varying working organisation
Operation Working environment
Concentration Exposure time Physical exertion
Dose
Health effect
Work organisation
Skin
Inhalation
Swallowing
Physisal/chemical properties
Precautionary approach Taking measures Last choice PPE
Operation Working environment
Concentration Exposure time Physical exertion
Dose
Health effect
Skin
Inhalation
Swallowing
Physisal/chemical properties
Personal protective equipment
Workers’ interests in nanotechnologies
Safe Workplace
Exposure control • Identify workers potentially exposed
Full information on chemicals and products at the workplace Full information on lacking (eco)toxicological data • indication on SDS!
Language:English
Score: 688871.63
-
https://www.who.int/ifcs/docum...orum6/ppt_nano_broekhuizen.pdf
Data Source: un
To ensure the concentrators arrived as quickly and safely as possible, UNICEF and The UPS Foundation teamed up in a rapid logistics effort to send 500 concentrators to Kolkata, the capital of West Bengal, for distribution in the state. This delivery of oxygen concentrators was just the beginning of a response that saw UPS support the delivery of over 3,000 concentrators to India.
(...) Those suffering from acute breathlessness get some relief when they are provided with oxygen from the concentrators.”
UNICEF/UN0479958/Mitra
Oxygen for the future
Oxygen concentrators are also an investment over the long-term.
Language:English
Score: 688000.9
-
https://www.unicef.org/supply/...-deliver-critical-oxygen-india
Data Source: un
The concentration of phosphates and total phosphorus is expressed as mg of P/litre the concentration of nitrates is expressed as mg of NO3/litre.
(...) The values for concentrations of phosphates and nitrates should be provided aggregated per monitoring station. (...) In some countries, databases include the results of analysis of nutrients concentrations in surface water bodies for several decades.
Language:English
Score: 687929.83
-
https://unece.org/DAM/env/euro...g/Indicators/C-11-en-final.pdf
Data Source: un