Each station must have a document that you can make yourself. Even your setup in practice mobilization. See page 31 on the CARES reference below and print it out using the ARRL calculator.
ARRL RF Exposure Calculator Print the results.
RF Safety as published on practicalantennas.com .
RF Exposure Guidelines 2023 As presented at Clackamas County ARES (CARES) May 2023. See page 31 for a recommended safe outdoor setup.