Hey Ben, I called REI and they forwarded me to the business who services their gear (or at least does the cleaning). I spoke with them, they're in Highland Park, and they do cleaning, repair and alterations. I decided to let them handle the bag, they can turn around within a week.
Wilderness Workshop
6916 N Figueroa St Los Angeles, CA 90042
323 – 256 – 0723
On the Poison Oak note: this is my 6th exposure and I can attest to the truth that it gets worse and worse with each round. Half the circumference of my thigh, from groin to knee is a nearly solid surface of rash and weeping boils, with large sections along my calf and shin. There's a few minor outbreaks elsewhere. My left forearm has a 1"x10" patch. I surrendered today, after 5 days, and took my first dose of Prednisone. Though I really wanted to avoid it.
I can imagine the real possibilities of taking small doses of the young plant, or this other extract mentioned, and acquiring a level of temporary immunity. But at my level of susceptibility, the idea of ingesting it scares the crap out of me.
Thanks everyone, for your kind thoughts and advice.
-Michael
Oh, and thanks Rick, I warned the cleaner about the poison oak.