Commercial environmental test labs exist and are widely used to test electronic equipment. The ESD testing shouldn't be an issue for any of these labs, but the

Commercial environmental test labs exist and are widely used to test electronic equipment. The ESD testing shouldn't be an issue for any of these labs, but the temperature and grit testing might be a little extreme for the equipment at some labs. Still, my experience has been that these labs are eager to solve any unusual environmental testing requirements and they can probably figure something out.