OEM DB propagator (DB change manager toolset) converted non-USA characters to some stuff.

Those characters are available in WE8ISO8859P1 page, used by default in my environment: OEM on one server, source and target databases on 2 other servers, Windows NT 4.0, service packs 5, 6a.

Never had problems with any Oracle tool like exp/imp, etc. NLS settings are uniform in all environment -servers, clients, database: