(b) An agency may delete from any such index, decision, determination
or order any information that, if disclosed, would constitute an
unwarranted invasion of personal privacy under the provisions of
subdivision two of section eighty-nine of the public officers law and
may also delete at the request of any person all references to trade
secrets that, if disclosed, would cause substantial injury to the
competitive position of such person. Information which would reveal
confidential material protected by federal or state statute, shall be
deleted from any such index, decision, determination or order.