Tier II reporting touches every facility, every chemical, and a different rulebook in nearly every state. This guide helps you make sense of all of it.
Between chemical inventories, state-specific thresholds, and portals that all work a little differently, Tier II reporting can eat up more time than it should. Staying compliant means staying current, and that gets harder every year as states update their systems and the EPA refines its guidance.
The 2027 Tier II Guide breaks it all down, section by section, so your team always knows what’s required and what’s changed.
What’s Inside
- Every EPCRA section explained in plain language, from emergency planning through trade secrets.
- The most common reasons Tier II reporting goes wrong, and how to get ahead of them.
- The Top 10 Tier II reporting errors, drawn from thousands of reports filed on behalf of our customers.
- What’s changed for this filing season, including state portal updates, new MFA requirements, and a federal hazard-category shift already underway in Missouri.
Who It’s For
EHS and compliance professionals managing Tier II reporting across one or more facilities, whether they’re new to the process or have filed for years. Especially useful for teams juggling multiple states and portals who need one reliable reference to keep everyone aligned.
Last Updated: September, 2026
