John G wrote,

"*The rules don't apply to homeowners working on their own house:
http://www.epa.gov/lead/pubs/do-it-yourselfers.html You should still take
precautions to prevent exposure to yourself and others. "

Right, I'm the handyman and don't want to violate the letter of the law. If I install a replacement window in a clean opening will the EPA be on my ass?

Thank you for all the replies!