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Description
Approximate radiation levels at different locations shortly after the explosion were as follows:

Location-Radiation (Roentgens per hour)-Sieverts per hour (SI Unit)

Vicinity of the reactor core 30,000 300
Fuel fragments 15,0000 150
Circulation pumps 10,000 100
Debris near the electrolyzers 15,000 150
Water in the Level 25 feedwater room 5,000 50
Level 0 of the turbine hall 15,000 150
Area of the affected unit 1,500 15
Water in Room 712 1,000 10
Control room, shortly after explosion 5 0.05
Gidroelektromontazh depot 30 0.3
Nearby concrete mixing unit 15 0.15

Description
Approximate radiation levels at different locations shortly after the explosion were as follows:

Location-Radiation (Roentgens per hour)-Sieverts per hour (SI Unit)

Vicinity of the reactor core 30,000 300
Fuel fragments 15,0000 150
Circulation pumps 10,000 100
Debris near the electrolyzers 15,000 150
Water in the Level 25 feedwater room 5,000 50
Level 0 of the turbine hall 15,000 150
Area of the affected unit 1,500 15
Water in Room 712 1,000 10
Control room, shortly after explosion 5 0.05
Gidroelektromontazh depot 30 0.3
Nearby concrete mixing unit 15 0.15