keystone shut forwarded ami chokshi corp enron 06 09 2000 08 59 jan svajian 06 09 2000 09 01 43 cc subject keystone shut nom change 13 th 14 th 15 th plus shut letter sid richardson four attachments kermit shut 13 th xls kermit change 14 th xls kermit change 15 th xls keyshutdown doc