Oilfield Tools Quiz: Can You Name These Drilling Tools?Share:FacebookPinterestTwitterMailWhich safety item is used to detect hydrogen sulfide gas?95%Next Correct Incorrect An H2S monitor alarms when dangerous gas levels appear and helps detect early leaks near mud systems. Which safety item is used to detect hydrogen sulfide gas? Hearing Protector Clip-On Gas Badge Oxygen Meter H2S Monitor 95%