A Risk Management Plan (RMP 12-Digit Number) is required if you have a regulated substance on the EPCRA/CERCLA/CAA §112(r) Consolidated List of Lists, that meets the CAA112r Threshold Quantity (TQ) found here: EPA List of Lists If you have a regulated substance on the List of Lists that meets the TQ, you should have the 112r box checked.
If you have additional questions, please submit a Help Desk ticket or call the Hazardous Substance Information Hotline 503-378-6835 or 800-454-6125.