Clues & word lengths at a glance
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- 1 Down
Purpose-built city for plant workers, evacuated on 27 April 1986
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PRIPYAT - 2 Across
Unit for the effect of a radiation dose on the human body
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SIEVERT - 3 Down
Unit that counts one radioactive decay per second
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BECQUEREL - 4 Down
Element whose radioactive form I-131 builds up in the thyroid gland
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IODINE - 5 Down
Gland in the neck that collects radioactive iodine, especially in children
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THYROID - 6 Across
Lava-like melted nuclear fuel mixed with sand and concrete
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CORIUM - 7 Down
Substance that slows fast neutrons so fission can keep going
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MODERATOR - 8 Across
Official Soviet term for a clean-up worker after the accident
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LIQUIDATOR - 9 Across
Form of carbon, about 1,700 tonnes of it in the core, that burned for ten days
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GRAPHITE - 10 Down
Neutron-absorbing element in the RBMK control rods
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BORON - 11 Across
Hastily built steel-and-concrete shelter over the ruined reactor 4
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SARCOPHAGUS - 12 Down
Shape of the 108 m high New Safe Confinement, slid into place in 2016
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ARCH - 13 Across
Tree of the Red Forest; the dead trees turned ginger-red
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PINE - 14 Across
Emergency reactor shutdown; at Chernobyl the AZ-5 button set one off
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SCRAM