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Since 2010, Carbon Verification Service has been accredited by the California Air Resources Board (CARB) as a verification body to verify Greenhouse Gas Emission Data Reports under the Mandatory Greenhouse Gas Reporting Rule. Since 2019, Carbon Verification Service has been accredited by CARB to validate and verify applications and reports under the Low Carbon Fuel Standard. Carbon Verification Service has been accredited by Oregon DEQ since 2021 to validate CFP Applications and verify CFP Reports. Carbon Verification Service was accredited by Washington Ecology in December 2023.

  • Greenhouse Gas Emission Data Reports

  • Alternative Fuel Pathway Applications and Fuel Pathway Reports

  • Quarterly Fuel Transactions Reports for Alternative Fuels

  • Quarterly Fuel Transactions Reports Submitted by Producers and Importers of Gasoline or Diesel

  • Crude Oil Quarterly and Annual Volumes Reports and Project Reports

  • Carbon Capture and Sequestration (CCS) Reports

We employ CARB-accredited verifiers

We have provided verification services for companies seeking verification of reports submitted to the following programs:

  • CDP

  • Dow Jones Sustainability Index

  • Greenhouse Gas Protocol

  • California Air Resources Board Mandatory Greenhouse Gas Reporting Rule

In addition to CARB accreditation, Carbon Verification Service staff members have more than 50 years of combined experience in greenhouse gas inventory development in accordance with international GHG reporting protocols and International Standards Organization (ISO) standards such as ISO 14001, ISO 14064-3, ISO14040 and ISO 14044.

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