More fantastic advice from everyone whom has replied.
Without doubt these forums are a fantastic tool for anyone starting out in the game, the guidance I have received is first class and is very much appreciated.
Thanks to everyone!
+1Since using Scott's chart, my bunker play improved considerably. It's terrific.
I'm not a bunker professional, but I would add to the blue and green sections (bunkers above 25 %):
Use only wedges, including PWs.
Robert1893:+1 Since using Scott's chart, my bunker play improved considerably. It's terrific.