The term nonbiodegradable pollution is identified in base64 scheme by the sequence bm9uYmlvZGVncmFkYWJsZSBwb2xsdXRpb24=, while the MD5 signature is equal to c8848eb23b2e9db6777d75aa786e61c0. The ASCII encoding of nonbiodegradable pollution in hexadecimal notation is 6e6f6e62696f64656772616461626c6520706f6c6c7574696f6e.