H2O2 is not an EPA approved sanitizer....but is used with baquacil as the oxidizer or shock. By itself it will not sanitize your pool.
Here is the link to BleachCalc
Get BleachCalc 2.6.2 here:http://home.earthlink.net/~mwsmith70/data/BleachCalc262.exe

Chlorine is your best bet for a safe pool. Bleach is the form of chlorine most of the forum members use.