A warning sign indicating the presence of hazardous hydrogen sulfide gas (H2S) on a worksite, with a caution symbol for gas masks.
Keywords
danger,
hydrogen,
gas,
present,
signs,
men at work,
monitoring,
labor,
facility,
risk,
management,
emergency,
mask,
training,
safety,
awareness,
protection,
hazard,
personnel,
warning,
site,
signage,
drilling,
flammable,
response,
chemical,
compliance,
industrial,
regulation,
toxic,
procedure,
health,
oilfield,
alert,
exposure,
caution,
ventilation,
industry,
equipment,
environment