If your claim is denied, you can work with a Veterans Service Officer (VSO) to view your TERA Memorandum and see if the VA missed any key exposures.
VA adjudicators are instructed to "liberally construe" evidence, meaning they should give the veteran the benefit of the doubt when documenting these exposures. Key Steps for Veterans tera link
It triggers the VA’s legal obligation to help develop evidence for the claim. If your claim is denied, you can work
Statements from "buddies" or photos of your working environment can help concede a TERA even if official records are missing. If your claim is denied
Understanding TERA: A Guide to Toxic Exposure Risk Activity and VA Claims