Removing noise and cleaning audio from film

[PCC]

I've posted more in the Restoration section: https://forum.videohelp.com/threads/355329-Colour-correction-reducing-audio-noise-feedback

But basically, I have a 9 minute documentary (http://youtu.be/6-cuFqr8saY) that has a lot of background noise that I haven't been able to get rid of. I'm going to post a version with all the noise intact, but this is what I've got uploaded at the moment, without music, with noise removed in Audacity: https://www.dropbox.com/s/ggtavxj1ewh8kgo/Alanaudio.mp3

[PCC]

Here's the version with all the noise: https://www.dropbox.com/s/0mtcyt769z24mkh/AlanNoise.mp3?m

The volume is all at different levels, so it needs normalizing. There's a couple changes to it from the video - alternative dialogue at 4:18 and bigger gaps at 0:55 and 8:48, so it won't match up with the video exactly if you try that.