Renewable Carbon Testing in Regulations & GHG Initiatives

  • California AB32 Mandatory GHG Emissions Reporting (Read More)

ASTM D6866 is used to measure the percentage of carbon-neutral CO2 emissions from the combustion of biomass, municipal solid waste, or waste-derived fuels with biomass.

AB32 allows fuel sampling in lieu of emissions sampling as long as (a) the fuel is supported by ASTM D6866, and (b) the samples collected for analysis is representative of the entire composition of the fuel.

AB32 was superseded by Senate Bill 32 (SB32).

  • European Union Greenhouse Gas Emissions Trading Scheme (EU ETS) (Read More)

The EU ETS recommends EN 15440 for measuring the biomass fraction of solid recovered fuels. For liquid samples and CO2 in flue gases, EN 15440’s Carbon-14 method or ASTM D6866 can be used. ISO 13833 is another option for CO2 in flue gases.

  • Western Climate Initiative (WCI) Requirements of Mandatory Reporting (Read More)

Owners/operators of general stationary combustion units using mixed fuels and waste-derived fuels are mandated to use ASTM D6866 to determine the biomass-derived fraction of their carbon dioxide emissions.

  • US EPA Final Mandatory GHG Reporting Rule (Read More)

ASTM D6866 is used to determine the biogenic CO2 of emissions from the combustion of municipal solid waste and mixed fuels (biogenic and non-biogenic fuels).

  • UN CDM Methodology ACM0022: “Large-scale Consolidated Methodology – Alternative waste treatment processes” (Read More)

ASTM D6866 testing is done to measure the fraction of fossil carbon in the total carbon content of municipal solid waste.

  • The Climate Registry Protocols

The Climate Registry aims to establish consistent, transparent standards throughout North America for businesses and governments to calculate, verify, and publicly report their carbon footprints in a single, unified registry.

When calculating emissions from waste fuels and biomass, ASTM D6866 testing is required.

Source: Page 71 of TCR’s General Reporting Protocol

Local governments are required to identify and report biomass CO2 emissions as biogenic emissions, separate from fossil fuel emissions. ASTM D6866 is recommended when measuring biogenic emissions from biofuels, waste fuels, and biomass co-firing in a unit with CEMS.

Source: Page 84 for TCR’s Local Government Operations Protocol

ASTM D6866 is the method identified for partitioning of anthropogenic and biogenic CO2 emissions in the TCR Electric Power Sector Protocol for the Voluntary Reporting Program.

Source: Page 46 for TCR’s Electric Power Sector Protocol

  • Australia Department of the Environment and Energy National Greenhouse and Energy Reporting Scheme

The National Greenhouse and Energy Reporting Act 2007 established a mandatory reporting system for corporate GHG emissions and energy production and consumption. The first reporting period under the Act commenced in July 2008.

In the NGER reporting system, ASTM D6866 analysis is recommended to determine the amounts of each kind of fuel in blended liquid or solid fuels.

Source: Page 185 of the technical guidelines for the estimation of emissions by facilities in Australia for the reporting year 2017-2018.

  • New Zealand Climate Change Regulations

The New Zealand Government has 2 regulations incorporating ASTM D6866.

Under the Climate Change (Stationary Energy and Industrial Processes) Regulations 2009 (SR 2009/285), those who will opt to use the continuous emissions monitoring method for calculating emissions from combusting used oil, waste oil, used tyres, or waste will measure their total annual emissions consisting of non-biomass CO2, CH4, and N2O. According to the regulation, ASTM D6866 will be used to measure the non-biomass fraction of CO2 emissions when the fuel combusted contains both biomass and non-biomass.

Those who will use the periodic source testing method will also measure the same greenhouse gas emissions. The non-biomass fraction of the total CO2 emissions is determined in accordance with ASTM D6866.

Source: SR 2009/285

For the Climate Change (Unique Emissions Factors) Regulations 2009 (SR 2009/286), specifically under the “requirements for applications for unique emissions factor approval for waste calculated using standard testing option,” ASTM D6866 can be used by a waste combustion participant to calculate a unique emissions factor for solid fuels.

Under “sampling and testing requirements for the periodic source testing option,” waste combustion participants using mixed fuel (biomass with non-biomass) have to measure the non-biomass fraction of the CO2 concentrations in the gas stream in accordance with ASTM D6866.

Source: SR 2009/286

Programs Recommending Carbon-14 Method

  • UK Office of Gas and Electricity Markets (OFGEM)

Electricity and gas market regulator OFGEM has approved the use of a carbon-14 method by waste-to-energy installations that want to claim Renewable Obligation Certificates (ROCs). The carbon-14 method is used to determine the biomass energy content of waste feedstock by post-combustion analysis of flue gases.

Source: OFGEM

NOTE: In 2016, OFGEM decided to refuse applications to the Renewables Obligation program proposing the use of the carbon-14 method for waste wood-derived fuels only. Other alternative fuel sources are assessed on a case-by-case basis.

  • Cement Sustainability Initiative’s Cement CO2 and Energy Protocol

The World Business Council for Sustainable Development’s Cement Sustainability Initiative (WBCSD CSI) cites EN 15440 as a standard that can be used to determine the biogenic carbon in an alternative fuel’s overall carbon content. The document is aimed at engineers and managers of cement producers.

Source: Page 90 of Protocol Version 3

Page last updated: August 23, 2018