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          • How to activate infrastructure stimulus through accelerated assessment
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          • GHD Advisory Delivers Landmark Rehabilitation Plan for Port Terminal
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        • Changing the world in Toronto
        • David Kinniburgh named Regional General Manager - UAE
        • Designing a net-zero energy plan with the Australian Academy of Science
        • GHD Advisory supports BP Australia’s sustainable hydrogen feasibility study
        • GHD appointed to design new Navy facilities in Western Australia
        • GHD joins Australian Hydrogen Council
        • GHD Provides Social Distancing Solution to NHS Children’s Hospital
        • GHD to implement Digital Train Control for Cross River Rail
        • GHD is leading the way in Waste Management across Australia
        • GHD is taking the lead in the competition for future talent
        • Growing our natural resources expertise with addition of Niblett Environmental Associates team
        • Landmark UAE park named Education Project of the Year
        • Preparing Australian electricity systems for large-scale hydrogen production
        • Poll shows employees are uncomfortable returning to work without social distancing measures
        • Reinventing engineering for a rapidly changing world
        • Qatar field hospital designed from scratch in less than two weeks
        • Our industrial hygiene team keeps employees safe as they return to work
        • Transforming transport in regional South Australia
        • A balancing act: Getting to grips with biodiversity offsetting and mitigation banking
        • A message from Water for Women on International Women’s Day
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        • Auckland’s Lightpath cycleway takes the lead with prestigious award
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        • Advising on one of Australia’s largest infrastructure transactions
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        • Strength in North America highlights our ability to serve clients and communities in uncertain times
        • GHD Advisory named Australasia’s #1 technical advisor for transactions
        • GHD’s new NZ leader focuses on high performance
        • Demonstrating our market leadership in Canada
        • GHD appoints Sheila Mistry as People Leader for UK
        • GHD Advisory strengthens UAE team
        • Developing a first-of-its-kind mangrove park for UAE
        • Global merger delivers integrated data-led consulting
        • New operations lead will help drive growth in the northeast United States
        • GHD helps Middle East clients address energy challenges
        • GHD’s Global Digital Leader moves to North America
        • GHD helps students to embrace Indo-Pacific opportunities
        • Collaboration to provide innovative new wireless stormwater monitoring solution
        • GHD welcomes National Strategy to support a thriving hydrogen industry
        • New beginnings: How Nivine re-started her career in Australia
        • GHD Digital’s Jacyl Shaw named ‘Microsoft Executive Leader of the Year’
        • GHD reinforces strategic focus in North America
        • New operations lead will help drive growth in the northeast United States
        • GHD partners with Galliford Try on Yorkshire Water Civils Framework
        • GHD celebrates 10 years in Papua New Guinea
        • Creating a single source of truth for digital data
        • Top honors for water engineer
        • Welcome Jim Giannopoulos as our new Executive General Manager, Canada
        • Engineering a new future for Melbourne’s iconic 1920s Capitol Theatre
        • GHD at the centre of Australia's hydrogen industry development
        • GHD at WEFTEC 2019
        • Rising to meet the challenges of an evolving environmental market
        • GHD rises higher in global design rankings
        • GHD transforms Queensland’s Daydream Island resort
        • Saskya Hunter named as one of Australia’s Most Innovative Engineers 2019
        • How hybrid energy will unlock the potential of Northern Australia
        • More than 100 GHD global technical leaders connect with government and business leaders in Cairns
        • GHD helps young professionals navigate their careers in the digital age
        • GHD and Australia’s gas import industry set milestone
        • GHD Advisory appoints leader for UAE
        • GHD provides remediation services to Clydebridge Chemicals
        • Showcasing Pacific development projects and partnerships
        • GHD and FCG combine to enhance client services in Northern Australia
        • GHD helps Sydney Metro Northwest project arrive on time
        • GHD internship cements passion for development work
        • GHD wins NCE100 Impact in Energy award
        • GHD ranks among top design companies in North America
        • Industry leader, Kurt Beil, joins GHD as Market Leader, Environment
        • GHD a winner in the 2019 RoSPA Awards
        • GHD Young Professional recognised by Institution of Chemical Engineers
        • GHD appoints new Operations Manager, Qatar
        • GHD Digital launches AquaLAB to transform how the water industry operates in the digital age
        • Demonstrating the value of inclusion and making it happen
        • The future of the UK water sector - interview with Stewart Tennant
        • From Iraq to Australia – Marvin’s career journey
        • GHD acheives prestigious safety certification in Ontario
        • GHD announces the appointment of new Regional Principal to lead the northeast United States
        • New GHD Advisory leader sets pathway for future growth
        • GHD doubles down on growth
        • GHD technical award recognizes groundbreaking project
        • Harnessing hydropower potential in the Philippines
        • Grantley Hall – Blending the old with the new
        • GHD strengthens its rail capability
        • GHD helps to improve connectivity and boost sustainable travel
        • GHD honored by the Greater Kitchener Waterloo Chamber of Commerce for employee engagement
        • Infrastructure event connects with European clients
        • GHD recruits transmission expert to inspire innovation in energy sector
        • GHD app design wins at inaugural NSW Roads and Maritime Services Innovation Network Initiative
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          • GHD Digital’s expansion into North America focuses on Digital Disruption and the Fourth Industrial Revolution
        • GHD Digital’s expansion into North America focuses on Digital Disruption and the Fourth Industrial Revolution
        • GHD wins Asia Pacific award for pesticide container management project in the Pacific
        • GHD expands its air and noise modelling capability
        • Looking back on the 2018 GHD Challenge
        • GHD appoints Simon Light as new General Manager for Europe and Middle East
        • Looking back on the 2018 GHD Challenge
        • GHD appoints Simon Light as new General Manager for Europe and Middle East
        • Special moments for GHD’s Spatial team
        • GHD wins place on YORConsult2 framework
        • GHD sponsors global interns as part of Australia’s New Colombo Plan
        • GHD recognized as one of Waterloo Area’s Top Employers for 2019
        • GHD receives industry accreditation for its commitment to developing young engineers
        • Advising on one of Australia’s largest infrastructure transactions
        • GHD announces new Transportation Market Leader for Australia
        • GHD appoints new Indigenous Services Leader
        • Our year in review
        • How to thrive on your career journey
        • GHD celebrates opening of Lake Jackson, Texas office
        • What happens when majestic wind turbines come to town
        • GHD sets benchmark for environmental assessments in the Philippines
        • GHD recognised as a carer-friendly employer
        • GHD engineers new neuroscience department at Monash University
        • GHD extends its global tunnelling experience
        • Wednesday is “Poppy Day”
        • GHD helps improve management of pesticide containers in the Pacific
        • GHD Digital and Orange Business Services deliver instant intelligent insights to Australasian enterprises
        • GHD helps return Blacktown Native Institution to Indigenous custodians
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          • Reducing Air Pollution - Guiding clients through the complexities of the Medium Combustion Plant Directive
        • GHD grows UAE team to help take client projects from masterplanning to reality
        • GHD to deliver Australian Sports Partnership Program to build healthy, inclusive communities through sport.
        • GHD and Olsson Fire & Risk join forces in New Zealand and Australia
        • GHD wins Bronze at International Water Association Project Innovation Awards
        • GHD appoints new Market Leader – Water in Australia
        • GHD achieves Silver Corporate Partnership status with Institution of Chemical Engineers
        • GHD partners with Jacobs for longest section of Australia’s Inland Rail program
        • Omni-Means officially adopts GHD name and brand following merger completion
        • GHD expands Intelligent Transport Systems capabilities
        • Part-time geologist, full-time dad
        • GHD Digital and Mindtree create platform-based services to cater for digital transformation
        • GHD wins Engineers Australia award for Brisbane Airport runway resurfacing
        • GHD grows in the global environmental market
        • Massive roof replacement project recognised for engineering excellence
        • GHD is responding to the ‘fourth industrial revolution’ and client demand
        • Championing diversity in the workplace
        • Global leader helps GHD transform client service
        • Global survey charts GHD’s growth trajectory
        • GHD appoints new Technical Director in UK
        • Five ways to celebrate Indigenous peoples and culture
        • Water for Women announces the first round of research award recipients
        • Tasmanian renewable energy leaders share vision for collaborative future
        • GHD’s suite of services helps a new mine to proceed
        • GHD Advisory’s Infrastructure Investment and Economics (IIE) services go global
        • GHD and Water for Women Fund celebrate World Environment Day
        • GHD provides continuity of service to Wannon Water
        • Water for Women Fund celebrates Menstrual Hygiene Day
        • GHD is bringing Paris to Doha
        • GHD wins NCE100 Excellence in Water award
        • New approach to defend infrastructure from cyberattacks
        • GHD boosts operational performance in UK transport sector
        • Proud to be LGBTI, proud to be GHD
        • Ten tips for returning to work after parental leave
        • Prestigious appointment for GHD’s chief counsel in the United States
        • GHD announces new Operations Director in Manchester, UK
        • GHD a winner in the 2018 RoSPA Awards
        • GHD helps improve transport infrastructure in Papua New Guinea
        • Trailblazer to lead GHD’s Canberra and Southern NSW business
        • GHD in New Zealand diversifies its business with the launch of GHD Digital.
        • Five technologies that will drive your freight forward faster
        • GHD expands in the UAE with new Dubai office
        • GHD stars shine at Engineering Excellence Awards
        • LNAPL clean-up guidance released
        • GHD recognised as top engineering company
        • Four inspiring pieces of advice from Jamila Rizvi
        • Groundwater discharges may become subject to the Clean Water Act
        • Engineering innovation secures civil engineering excellence award
        • GHD and the Regional Municipality of York receive OPWA award for technical innovation
        • PFAS New fact sheets provide guidance on emerging contaminants
        • When a talented photographer becomes a bridge inspector
        • World Health Day
        • Confirming our commitment to Waterloo Region
        • Global insight for Australia’s electricity networks:
        • GHD in New Zealand boosts its business to support growth
        • GHD grows security offering in Sydney
        • GHD recognised for supporting Defence reservists
        • Global industry leader in power substation design joins GHD
        • GHD to deliver concept design for raising Warragamba Dam in Sydney
        • GHD Advisory expands to North America to support asset owners
        • Top five ingredients for Badgerys Creek Aerotropolis to rise
        • A message from Water for Women on International Women’s Day
        • Six ways to position yourself for success
        • What SaaS tells you about MaaS
        • New Colombo intern discovers a new side to engineering at GHD
        • GHD expands to Guildford, UK
        • Client service helps realise world-leading energy projects
        • Shaping the Western Sydney Aerotropolis
        • Young design pioneer recognised at BIM Awards
        • Client award highlights GHD’s safety focus
        • GHD announces new Manager for Sydney
        • GHD is recognised as employer of choice for gender equality for fourth year in a row
        • GHD strengthens digital leadership
        • GHD appoints new Legal Counsel, Europe and Middle East
        • Smart Seeds grows fresh ideas for future infrastructure
        • GHD enhances services for Chinese investors
        • GHD partners with Sydney Water for drought relief
        • GHD says “Bula” to New Colombo intern in Fiji
        • Pushing the boundaries of BIM
        • GHD is part of the growth trend in the trenchless market
        • GHD boosts capabilities to support social sustainability
        • GHD strengthens hydropower capability
        • Water for Women Fund Commences - Request for Proposals for WASH Research Awards
        • GHD helps deliver Water for Women Fund
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          • Tech Sprint generates game changing solution to construction productivity problem
        • GHD strengthens Board diversity
        • GHD outlines the future of project management
        • GHD contributes to UK’s Northern Energy Task Force
        • Continuing to invest in future leadership
        • I-TAP NQ turns to fresh ideas for North Queensland’s infrastructure challenges
        • Force main replacement work wins ACEC award in Arizona
        • GHD announces Market Development Director for Europe and Middle East
        • GHD announces record performance
        • Insights from the Infrastructure Investors Forum Australia
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          • GHD’s laptop donation supports women’s health services in Wagga Wagga
        • GHD expands to Tauranga
        • Infrastructure and logistics expert joins GHD Advisory
        • Ecological restoration earns landscape architecture award
        • GHD recognised as a leader in the global environmental market
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          • GHD tops technical advisor league table
        • GHD recognised globally as a design leader
        • New facility preserves Australian history for the future
        • GHD expands contaminated land capabilities in Queensland
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          • Energy storage project opens new horizons for remote microgrid
        • GHD highlights smart solutions for the mining sector
        • GHD storms to the top at RICS Yorkshire and Humber Awards
        • Global role highlights how sport changes lives
        • GHD expands contaminated land capabilities in Queensland
        • Energy storage project opens new horizons for remote microgrid
        • GHD highlights smart solutions for the mining sector
        • GHD storms to the top at RICS Yorkshire and Humber Awards
        • Global role highlights how sport changes lives
        • GHD leadership appointments capitalise on New Zealand infrastructure trends
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          • GHD helps revitalise open channel with new parkland
        • Wastewater rehabilitation work wins project of the year in Arizona
        • GHD announces new Chairman and executive directors
        • GHD ranks among top designers in North America
        • GHD announces new UK leader
        • GHDWoodhead and Creative Spaces launch new brand in New Zealand
        • GHD enhances energy security in the Kimberley
        • GHD continues streak of outstanding waste management achievements
        • From dump to park: GHD helps turn environmental issue into Saipan’s new landmark
        • GHD expands asset management team in Auckland
        • GHD improves road safety on Pokeno to Mangatarata corridor in New Zealand
        • Digital transformation and growth expert joins GHD Advisory
        • Beaton Client Choice Awards
        • GHD earns recognition for innovative projects in York Region, Ontario
        • GHD and Omni-Means merge to expand transportation services
        • GHD helps realise landmark footbridge in time for Australian Open
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          • GHD Challenge brings together construction industry to support charities
        • GHD announces its largest office in North America
        • GHD celebrates 50 years of contributions to Canberra and beyond
        • Push to change flexibility culture for both men and women earns GHD gender equality recognition
        • GHD demonstrates inspirational consulting leadership
        • GHD celebrates outstanding public works achievements
        • GHD Advisory supports asset owners in a transforming world
        • GHD wins global award for Guam landfill closure
        • Engaging stakeholders for irrigation success in Australia’s food bowl
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          • GHD celebrates outstanding achievements in South Australia
        • GHD channels multidisciplinary skills for landmark irrigation upgrade
        • GHD switches on the tap for new water technologies
        • GHD recognized globally for Guam landfill closure
        • GHD delivers transformational engineering projects for WA
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          • GHD’s Power team boosts capacity in Newcastle
        • GHD helps realise outstanding project management achievements
        • GHD shines at New Zealand consulting engineering awards
        • GHD unites UK operations under single brand
        • GHD engineers named Australia’s innovation leaders
        • GHD continues global growth trajectory
        • GHD adds momentum to Sydney transport team
        • GHD and SMEC joint venture appointed as Independent Verifier for Gold Coast Light Rail Stage 2
        • GHD sustains performance in global environmental market
        • GHD helps realise a new health research hub for UAE
        • Auckland’s Lightpath cycleway takes the lead with prestigious award
        • GHD announces new leaders in Australia
        • Disrupting Auckland – new urban ideas take centre stage at Smart Seeds Showcase
        • GHD hits refresh on governance structure
        • GHD’s rail business gathers momentum with new appointment
        • GHD recognises client service at its best
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          • Auckland’s Lightpath shines at NZ planning awards
        • Creating a new gateway to Western Australia
        • GHD recognized among top design companies in USA and Canada
        • Leadership transition builds on GHD’s model of success
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          • GHD leaders pledge for parity for International Women’s Day
        • High five for GHD’s waste management team
        • GHD supports Arriva’s success as it retains London Overground concession
        • GHD names new Europe and Middle East leader
        • GHD’s water leader acknowledged for global contributions
        • GHD supports Arriva's success as it begins the Northern Powerhouse transformation
        • GHD Woodhead steps up in global rankings
        • GHD’s Defence business grows in Australia
        • Extended water partnership builds on a record of success
        • GHD acknowledged by Consult Australia for industry leadership
        • GHD strengthens focus on Defence project delivery
        • GHD recognised for digital leadership
        • Working together to help mitigate climate change in Ontario
        • GHD strides forward with gender equality
        • GHD engineer achieves unique certification in Guam
        • Toowoomba infrastructure project wins big
        • GHD people help reimagine Western Sydney
        • GHD helps realise artistic visions in Christchurch
        • GHD's young professionals support kids in care
        • GHD appoints transportation leader in North Queensland
        • CRA Europe adopts GHD name
        • GHD celebrates 10 years in Nowra
        • Engineers Australia commends GHD’s gender diversity focus
        • GHD steps up in global rankings
        • GHD boosts New Zealand business with high-profile appointments
        • GHD appoints Defence Leader
        • GHD’s CEO among engineering leaders
        • GHD and CRA complete integration
        • GHD improves human and environmental wellbeing
        • GHD and GHA Livigunn grow together in the UK
        • GHD helps deliver first shared street in South Australia
        • Sydney ideas bloom at Smart Seeds
        • GHD ranks highly in North America
        • Video showcases bridge replacement work
        • GHD presents water innovations in Adelaide
        • GHD enhances services for health and aged care clients
        • Graduates join consulting ranks at GHD
        • GHD celebrates 10 years in Toowoomba
        • GHD helps achieve tunnelling milestones at Grosvenor Mine
        • GHD helps realize award-winning Levi’s Stadium in California
        • Infrastructure innovation blooms with Smart Seeds
        • CRA celebrates 10 years as one of Canada’s Best Managed Companies
        • GHD leads the waste sector four years in a row
        • Environmental accolade for GHD-CRA merger
        • Strategic appointment expands GHD’s Federal business
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          • GHD ranks highly for defence services
        • GHD enhances market presence in property and buildings sector
        • GHD supports Indigenous professionals of the future
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Six ways to measure and quantify landfill gas: Choosing the right solution.

Six approaches to measure and quantify landfill gas: Choosing the right solution

HomePerspectives

Responding to changing regulatory and societal expectations on landfill gas emissions is driving a demand for a better understanding of landfill gas emissions. But how do you determine which tools and systems are right for the conditions at your landfill?

Landfill gas has the potential to migrate into the air through landfill soil caps and cover, releasing potent greenhouse gas emissions, causing negative impacts on the environment and public health. Direct measurement of these emissions is emerging as a solution that helps make reporting more accurate and helps landfill operators make informed, data-driven decisions to improve management practices.

Historically, landfill owners have self-reported using modeling techniques, such as the Scholl Canyon or LandGEM first-order decay models, to estimate and report landfill gas emissions and calculate compliance costs. However, a model is a simplification of actual conditions and may not accurately represent actual landfill gas emissions year over year.

Six ways to measure and quantify landfill gas: Choosing the right solution.

Specialized consultants can help  determine which methodology best suits the needs of each landfill. Regardless of the methodology selected, direct measurement can help landfill operators enhance their management systems and, in some cases, reduce compliance costs that may result from model overreporting. Direct measurement helps to accurately understand landfill gas resources for upgrading to renewable natural gas and supports net-zero pathway planning.

There are several different tools available to measure and quantify gas emissions and reduce the uncertainty often associated with models. Since every landfill site is unique, a holistic approach should be taken to determine which monitoring tools and technologies will provide the best results for a given site and purpose. Size, types and placement of waste, climatic differences, moisture retention, and age all factor into landfill gas generation. In addition, it may be important to understand potential impacts on ambient air quality of landfill gas and its associated constituents that may cross over the property boundary.

Choosing the right solution to monitor and measure landfill gas

Available technologies span from rudimentary to sophisticated options. Partnering with a consultant that has landfill expertise as well as proven experience with air quality measurement technologies will set you on the right path for accurate data collection, while optimizing budget and achieving the desired project outcomes. We have experience implementing a wide range of technologies that help landfill owners and operators understand their greenhouse gas profile so that they can manage the associated risks. Here are six tools to consider for measuring and quantifying landfill gas:

1. Flux chamber measurement

The rate at which vapor-phase chemicals, such as those found in landfill gas, cross the soil-air interface is called the landfill gas "flux" rate, which is measured as mass per unit area per unit time (e.g., micrograms of landfill gas per square meter of soil surface per minute). Direct measurement using the isolated flux chamber method is often used for landfills to quantify this rate of flux. Landfill gas is captured by flux chambers placed on the landfill surface so that the changes in concentrations of methane (and other constituents) in the landfill gas can be measured. 

Advantages:

  • Easy to operate
  • Able to detect smaller fluxes than other methods
  • Suitable for both large and small areas if performed properly
  • Highly portable and can be moved easily from one sample location to the next
  • No power supply is required
  • Low equipment cost, compared to other methods 

Considerations:

  • Specific in time and location than other methods – Not capable of capturing long-term flux variation
  • Sensitive to weather conditions  
  • Labor intensive 
2. Eddy covariance

Eddy covariance technique (EC) is the most widely used methodology to measure carbon fluxes at a landscape level and is one of the most direct and defensible methods for flux measurement. EC uses an assembly of sensors arranged in a tower to measure emission flux based on the number of molecules moving upward and downward over time, as well as the travelling speeds of these molecules.

Advantages:

  • Direct, near real-time measurement

  • Capability to measure flux variation over time  

Considerations:

  • Higher capital cost due specialized equipment
  • Improved performance hardwired power connections
  • Sensitive to low wind speeds conditions (<1 m/s, specifically during nights).
  • Suited for permanent or semi-permanent installations.
  • This method is widely used to measure carbon at a landscape level
3. Radial Plume Mapping Technique

The radial plume mapping technique is a relatively new technique and is based on the U.S. Environmental Protection Agency test method (OTM 10) for characterizing emissions from area and fugitive sources. An open path, path-integrated Optical Remote Sensing (ORS) system is employed to identify “hot spots” of emissions and quantify emission fluxes. Open path-Fourier-transform infrared (OP-FTIR) spectroscopy is the most common system using this technique with these common uses:

1. Horizontal radial plume mapping: Used for mapping gas concentrations in a horizontal plane. Hot spots near the ground can be located.

2. Vertical radial plume mapping: Designed to determine the emission flux of contaminants in a vertical plane downwind from an emission source.

3. One-dimensional radial plume mapping: Suitable for obtaining the profile of pollutant concentrations along a line-of-sight (e.g. fence line monitoring ).

Advantages:

  • Characterizes fugitive emissions from large area sources
  • Provides 3D gas profiles

Considerations:

  • Suitable for diffuse sources and does not able to quantify point emission sources 

  • The capital costs for the system are expensive due to specialized equipment

  • Detailed technical understanding, training, and experience is required

4. Tracer correlation

The tracer correlation method is used to produce two-dimensional profiles of landfill gas emissions. It relies on the controlled release of a known rate of a tracer gas, compared with a suspected gas. The concentration of the tracer is measured downwind with a mobile monitor and simultaneously measures the source gas concentration. By knowing the emission rate of the tracer and the downwind concentrations of both tracer and target, the target emission rate can be calculated.

Advantages:

  • Detailed accurate meteorological measurements are not required.
  • Good for quantifying emissions from area sources and provides insights on emission pathways.

Considerations:

  • Careful selection of tracer gas requires balancing considerations background conditions project emissions and health and safety. 

  • Useful for understanding emissions from smaller areas; sampling complexity increases for with area size. 

5. Remote technologies

Remote sensing techniques including drones, aircraft, and satellites are very promising for detecting emission hotspots over large area sources from a distance such as well site emissions.  Using remote technologies coupled with modeling software provides a high-resolution overview of the landfill and path map of the emissions which is then used to determine the total emissions and/or emission rates.

Advantages:

  • Less labor intensive than other methods
  • Reduces the time necessary to complete quarterly monitoring; improving efficiency and lowering labor costs. 

Considerations:

  • May not accurately detect small scale changes in emissions.

6. Ambient monitoring/Reverse dispersion modeling

Ambient air monitoring measures the air quality conditions around the landfill or at the facility fenceline. It can help to estimate the emission rates of LFG constituents through inverse plume modeling (“reverse modeling”), can help confirm dispersion modeling predictions, or to quantify the concentration of individual chemical compounds. Ambient monitoring can be carried out by using either fixed monitoring stations or using mobile platforms. Fixed stations are generally suitable for long term studies, while mobile platforms are more flexible and allow sampling at a variety of downwind distances and plume directions but are constrained by the limits of vehicle operations.

Advantages: 

  • Determines actual concentrations of pollutants that can cause impacts to public health.

  • Helps understand and confirm if air quality standards are being met. 

Considerations:

  • Often requires permanent or semi-permanent  station. Best suited for long-term monitoring programs.

Better data allows for better management

Better data and a better understanding of actual emissions can help with landfill and emission management in a number of ways. For example: it could be used to determine compliance obligations, potential impacts on neighbors and other stakeholders; for feasibility studies for future landfill gas utilization; to identify target emission reductions and inform net-zero pathway decisions; to provide data for odor management; or enable better decisions for optimal LFG management. Whatever your goal, improved identification and quantification of landfill gas emissions leads to better landfill management.


Contact Us

Contact us to learn more about the many ways to measure landfill gas and to determine which solution is the best fit for your landfill.

Margaret Zuckweiler

Margaret Zuckweiler
Senior Environmental Engineer, Waste Management Practice Lead
Margaret.Zuckweiler@ghd.com
T: 651 524 6843

 

Peter Tkalec

Peter Tkalec
Business Group Leader, Western Canada Environment
Peter.Tkalec@ghd.com
T: 403 701 1751

 


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