I've been lucky with this in terms of timing, so i've never had occasion to test this myself, but:serendipity wrote:make sure you bring yourself a system for storage/disposal of bloody products. you can not put tampons, pads, baby wipes, or other garbage in the porta potties.
you will need some kind of portable container (like a handful of ziploc bags) for stashing used stuff (and then taking it home with you).
I'm told that crushing up aspirin and sprinkling the powder in with the used whatever-you-use will help keep the smell down.
I heard this for backpacking, where it's suggested that one sprinkle the aspirin powder over the whatever, and then wrap it snugly in aluminum foil for minimum smell.
In the woods, it's all about keeping the bears disinterested, on the playa, it's just make for a nicer-smelling camp...