The term standard operating procedure is identified in base64 scheme by the sequence c3RhbmRhcmQgb3BlcmF0aW5nIHByb2NlZHVyZQ==, while the MD5 signature is equal to 81f974a3cd3ecbd20aeef8a79e672d88. The ASCII encoding of standard operating procedure in hexadecimal notation is 7374616e64617264206f7065726174696e672070726f636564757265.