EPA requires that the information in a trade secret substantiation be completed using the substantiation form. Submitter-devised forms will not be accepted.

• Instructions for completing the EPA trade secret substantiation form under EPCRA

• Substantiation to accompany claims of trade secrecy under EPCRA
  Trade Secret Form(5 pp, 28 K, March 2019)
  Trade Secret Form (PDF) (Note: You will need Adobe Reader version 7 or later to fill out and save a copy of this form.)