Jim,
To get Ampac's product simply contact them directly, kelly will probably answer the phone or email.. she'll fix ya right up,
http://ampacbiotech.net
they have the patent on their strain, so they are the only source for it i believe, it has at least a two year shelf life if kept in the fridge,
SubCulture's mfg website
they distribute their products through hydro shops mainly
usually i see a 6 month shelf life mentioned for it and "root sheild" (another brand of T-22)
now this is relatively new terrain, so go slow at first... it has never caused any issues with my plants but of course your milage may vary
I use it on as a monthly drench, as a soak for root cutting and in seed beds, read the independent data, it's very impressive
the big thing now in large scale apps (golf courses, country clubs etc) is to spread some corn meal to encourage Trich growth, Trich loves it... Im wondering about adding a little corn meal to my cp mixes... but just a thought at the moment
HTH's
Av