Looks good!! DS is starting a regular lab notebook next year when we begin Biology. He's done lab notebooks for his science fair projects (the only way he could possibly keep all those notes together from the beginning to the end!) but never for multiple assigned labs.
The only major thing I think I'd add to the link you have is that the introductory material (purpose/question, prior reading and hypothesis), as well as the procedure, should be written up before the lab is begun. Ideally you should come to a lab knowing exactly what's going on and with your notebook ready to record results.
I like this link:
http://www.jesuitnola.org/upload/clark/labs/lab%20notebook%20format.htm for format and preparation notes.
