Timing Between Audio and Video Thrown Off

I have a large project to complete. The other day, I logged an MPEG that's approximately 50 minutes using pen and paper. When I loaded this MPEG into Adobe Premiere CS4 and started separating clips based on my notes, I noticed that the video no longer matched the time codes I'd written down; Video that was supposed to have already taken place hadn't started yet.
At first, I thought the time code for the video was different than what Windows Media Player displayed, but there's another issue: The audio isn't in sync with the video. It's been displaced so that it begins about 16 frames before it should.
I checked the framerates of both my project and the video. They're both at 29.97 fps. I'm out of ideas. Any help would be appreciated.
OS: Windows 7 64-bit
Processor: Intel(R) Core(TM)2 Duo CPU     E6550 @ 2.33GHz 2.33 GHz
Memory: 4GB RAM (3.87GB usable)
Card: ATI Radeon HD 2400 XT

What are the details of what is inside your file?
Read Bill Hunt on a file type as WRAPPER http://forums.adobe.com/thread/440037
What is a CODEC... a Primer http://forums.adobe.com/thread/546811
What CODEC is INSIDE that file? http://forums.adobe.com/thread/440037
Report back with the codec details of your file, use the programs below
For PC http://www.headbands.com/gspot/ or http://mediainfo.sourceforge.net/en
For Mac http://mediainfo.massanti.com/
http://blogs.adobe.com/premiereprotraining/2011/02/red-yellow-and-green-render-bars.html
Once you know exactly what it is you are editing, report back with that information... and your project setting, and if there is a red line above the video in the timeline, which indicates a mismatch between video and project
Read Bill Hunt on editing a VOB/MPG file http://forums.adobe.com/thread/464549
Edit Vob http://premierepro.wikia.com/wiki/FAQ:How_do_I_import_VOB_files_/_edit_a_DVD%3F

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