The term small-particle pollution is identified in base64 scheme by the sequence c21hbGwtcGFydGljbGUgcG9sbHV0aW9u, while the MD5 signature is equal to cbdad2aecec76ed9dd3dffc77ab4b562. The ASCII encoding of small-particle pollution in hexadecimal notation is 736d616c6c2d7061727469636c6520706f6c6c7574696f6e.