The term alkali poisoning is identified in base64 scheme by the sequence YWxrYWxpIHBvaXNvbmluZw==, while the MD5 signature is equal to b52b6a63f0560e3e7bcf3877c0061e36. The ASCII encoding of alkali poisoning in hexadecimal notation is 616c6b616c6920706f69736f6e696e67.