The term mercury-contaminated is identified in base64 scheme by the sequence bWVyY3VyeS1jb250YW1pbmF0ZWQ=, while the MD5 signature is equal to 2901c4a221bf5efdbe1c058d73fd5252. The ASCII encoding of mercury-contaminated in hexadecimal notation is 6d6572637572792d636f6e74616d696e61746564.