Iowa DNR's Twitter Iowa DNR's Flicker Iowa DNR's YouTube Iowa DNR's Pinterest Iowa DNR's Facebook | Iowa Outdoors Magazine | News | Contact Us

Site Search  search button

Section 311-312 Hazardous Chemical Storage Reporting (Tier II)


Environmental Protection Community Right-To-Know Act (EPCRA) Section 311/312 requires facilities that have a material safety data sheet (SDS) for any hazardous chemicals stored or used in the work place above certain quantities to submit an emergency and hazardous chemical inventory form (TIER II) to the SERC, LEPC, and local fire department. The TIER II form is due annually on March 1st. Approximately 500,000 products have MSDS forms. 

Iowa Tier II Online

If you have any questions please feel free to contact Elonda Bacon at 515/725-0302 or e-mail her at

Forms, Instructions and Useful Resources

Forms and Instructions Useful Resources
EPA Tier II Hardcopy Instructions EPA Consolidated List of Chemicals (List of List)
Iowa Tier II Hardcopy Form EPA EPCRA Website
HERE Client Installation guide  (public users only) North American Industrial Classification System (NAICS)


Chemical Security Information

The Department of Homeland Security ensures the security of high-risk chemical facilities through the Chemical Facility Anti-Terrorism Standards (CFATS) program.  The CFATS program applies to any facility that manufactures, uses, stores, or distributes certain Chemicals of Interest listed on the CFATS "Appendix A" at or above a specified quantity.

Chemical Facility Anti-Terrorism Standards Chemical Security Executive Order 13650 Ammonium Nitrate Security Program
CFATS Fact Sheet - General Executive Order 13650 Fact Sheet
CFATS Fact Sheet - Update Executive Order 13650 Best Practices


For More Information:


CFATS Help Desk: 866-323-2957

CFATS Knowledge Center:

TIPLINE: 877-394-4347

Request a Presentation: