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This is your last and quick reminder—the deadline for submitting the EPA’s Emergency and Hazardous Chemical Inventory Form (Tier II) is fast approaching. Businesses must submit their Tier II reports by March 1, 2025, covering chemicals stored in 2024. For all the details, read this more detailed blog post or watch our webinar, where we cover all the facts you need to stay compliant.

Why Tier II Reporting Matters

“Tier II reporting is more than just a regulatory requirement—it’s a vital tool for emergency responders and community safety. The Emergency Planning and Community Right-To-Know Act (EPCRA), which mandates Tier II reporting, was created after the tragic Bhopal disaster, where the release of methylisocyanate led to devastating consequences.

Businesses must take this responsibility seriously by ensuring their chemical inventories are accurate, submitting reports on time, and staying proactive with compliance.

Who Needs to Report?

Organizations should review their chemical inventories to determine if they exceed any of the following reporting thresholds:

  • Most Hazardous Chemicals: 10,000 pounds
  • Extremely Hazardous Substances (EHSs): 500 pounds or the chemical’s threshold planning quantity (TPQ), whichever is lower
  • Gasoline and Diesel in Underground Storage Tanks (USTs) at Retail Gas Stations: 75,000 gallons for gasoline and 100,000 gallons for diesel

Keep in mind that some states have more stringent requirements, so it’s essential to verify state-specific rules to ensure compliance.

How to Submit Your Tier II Report

Tier II reports must be submitted to the following entities by March 1, 2025:

  • State Emergency Response Commission (SERC)
  • Local Emergency Planning Committee (LEPC)
  • Local fire department/first responders

Most states accept electronic submissions via the EPA’s Tier2 Submit software or state-specific platforms. Be sure to confirm your state’s preferred submission method and use the most current reporting forms.

Stay Ahead of Anticipated Changes

While potential changes to Tier II hazard categories due to OSHA’s recent updates to the Hazard Communication Standard won’t impact the 2024 reporting cycle, it’s wise to stay informed about future EPA updates.