Despite the Romans' common use of lead pipes, their aqueducts rarely poisoned people. Unlike other parts of the world where lead pipes cause poisoning, the Roman water had so much calcium in it, that a layer of plaque prevented the water contacting the lead itself.
OMB definition, Office of Management and Budget: the division of the Executive Office of the President that prepares and administers the federal budget and improves management in the executive branch. See more.
The Office of Management and Budget (OMB) is correcting the final guidance that appeared in the Federal Register on September 14, 2010 (75 FR 55673) and December 26, 2013 (78 FR 78589). OMB is amending the guidance to make technical corrections where needed. The final guidance is revised to remove references to the ``System of Award Management'' and replace them with the correct term ``System for Award Management''.