Hopefully this site will provide some good information for you. Most of the information was obtained through other sites and or books about scuba diving. I have given references as needed and to the best of my knowledge to the information listed here. If I have failed to site you as a source please let me know so I can either list you or remove the information, depending on your preference. Feel free to drop me a line if you have any questions or concerns regarding this site marne@scubadiving.com. If a discrepancy is found please be sure to note the page you found it on in.

Thanks,
Marne