Only 3rd and 5th (5 and 6 were at the last stage of construction but were cancelled) reactors had increased levels of radiation after the disaster. After contam

Only 3rd and 5th (5 and 6 were at the last stage of construction but were cancelled) reactors had increased levels of radiation after the disaster. After contamination, 3rd was reactivated in 1987. 2nd block was stopped in 1991 after a case of fire, 1st block was stopped in 1996, 3rd was stopped in 2000.