放射 ほうしゃ せん取扱 とりあつかい主任 しゅにん しゃでした
hōshasen toriatsukai shuninshadeshita

Noun
Desu Copula

The polite past form of 放射線取扱主任者

1. Was a radiation handling chief.; Was a radiation safety manager.

Past/Perfective
Polite