review of business unit internal controls - - - - - - - - - - - - - - - - - - - - - - forwarded by veronica valdez / hou / ect on 02 / 11 / 2000 04 : 06 pm - - - - - - - - - - - - - - - - - - - - - - - - - - - ted murphy 02 / 11 / 2000 04 : 06 pm sent by : veronica valdez to : rick buy / hou / ect @ ect , richard causey / corp / enron @ enron cc : subject : review of business unit internal controls attached is a document that i am not sure is entirely necessary ; however , depending on the response will indicate the need for implementation .