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Greenhouse Gas Reporting and Other GHG Compliance Services

Yorke Engineering, LLC (Yorke) specializes in greenhouse gas (GHG) reporting and compliance, having successfully supported organizations across multiple industries with navigating State and federal GHG regulations. Our expertise includes preparing and submitting accurate GHG reports in accordance with the United States Environmental Protection Agency (U.S. EPA), California Air Resources Board (CARB), Oregon Department of Environmental Quality (DEQ), and Washington State Department of Ecology (Department of Ecology) requirements. With over 300 GHG reports and verifications completed, we are trusted by clients to ensure compliance.

As a CARB-accredited, Washington State Department of Ecology-certified, and Oregon DEQ-approved GHG verification body, we provide comprehensive service to ensure your GHG data is both accurate and properly reported to meet regulatory deadlines and requirements.

In addition to GHG reporting, we offer a range of other services, including GHG verification, monitoring plan development, Cap-and-Trade training, and regulatory guidance.

CARB and U.S. EPA GHG Reporting

• GHG Monitoring Plan development and audit;
• GHG emissions data review;
• GHG emission calculations;
• Online GHG report preparation and submittal assistance;
• Abbreviated GHG reporting; and
• CARB, DEQ, and Department of Ecology GHG verification support (when verification is not performed by Yorke).

Other GHG Services

• GHG Verification – California, Oregon, and Washington
• GHG Inventories, Footprints, and Plans
• Federal, State, and Local GHG Planning and regulatory compliance analyses;
• CARB Cap-and-Trade program support tasks, including:
• General compliance support;
• Compliance Instrument Tracking System Service (CITSS) registration assistance and trading support; and
• GHG Allowance and Obligation calculations and determination of facility balance.