Level B radiation gear

Level B radiation gear is an unknown type of protection alluded to in a scan in Metroid Prime, in the Metroid Quarantine B room in the Phazon Mines. It is said in the scan that it is used as protection from Phazon radiation in Phazon processing areas.

Scan
"Health Alert: Phazon radiation warning is still in effect. Do not enter a Phazon processing area without Level B radiation gear. Prolonged exposure is 100% fatal."