try these links

MAS:
http://www.masepoxies.com/

System three:
http://www.systemthree.com/index.html

and Raka:
http://www.raka.com/

All three have basic information on epoxy use. They also sell epoxy.

Epoxy is used as a glue and a water sealant in boatbuilding.

Basically is safe for most people, but some people have allergic reactions when they get it on their skin or breathe the fumes. Best to play it safe and wear protective clothing, gloves, and a resperator. You never know until it's too late whether you will have a bad reaction.