A reminder to all Black Mesa personnel, regular radiation and biohazard screenings are a requirement of continued employment in the Black Mesa Research Facility. Missing a scheduled urinalysis or radiation checkup is grounds for immediate termination. If you feel you have been exposed to radioactive or other hazardous materials in the course of your duties, contact your Radiation Safety. Immediately. Work safe, work smart. Your future depends on it.

All subjects intending to handle high energy gamma leaking portal technology must be informed that they may be informed of applicable regulatory compliance issues

All that background radiation you've been exposed to?

And as for the radiation--Yes, 3.6 roentgen,

But understand that even with lead shielding,

Fuel Rod 2

In terms of radiation,

Inside a nuclear reactor

Iodine 131

Nuclear power.

Nuclear target

Radiation

Radiation intensity increasing.

Radioactive

Radioactive half life of

RBMK Scram Sound

Sitnikov! Bryukhanov wants us to use the good dosimeter,

That amount of gamma radiation penetrates everything

The dosimetrists should be checking regularly

The half-life of plutonium-239 is 24,000 years

The one with the 1,000-roentgen capacity-

You're confused. RBMK reactor cores don't explode

3.6 roentgen per hour