I HAVE SEEN THIS WORD BOTH WAYS - IN FACT FEMA USES IT BOTH WAYS IN DIFFERENT LOCATIONS ON THEIR WEBSITE. I AM NOT SURE IF THERE REALLY IS A REAL ANSWER TO THIS ONE! I AM GUILTY OF WRITING IT BOTH WAYS MYSELF.
I HATE TO GET INTO SEMANTICS HERE - BUT EVEN THOUGH I DO BELIEVE THAT IT CAN BE...