Home / Conspiracy / The Chernobyl Nuclear Power Plant #4 Reactor Explodes: Have the Deaths, Radiation Levels, and Cancer Numbers been Vastly Overblown? That’s What Experts Say.

The Chernobyl Nuclear Power Plant #4 Reactor Explodes: Have the Deaths, Radiation Levels, and Cancer Numbers been Vastly Overblown? That’s What Experts Say.

Andrew Leatherbarrow’s book Chernobyl 01:23:40 begins: “Radiation is perhaps the most misunderstood phenomenon known to humanity,” and rightly so. The 1986 Chernobyl nuclear disaster is an event most of us have heard of, but one few of us know the truth of. Before reading Leatherbarrow’s book and doing my own research, I thought ‘Chernobyl’ meant the immediate shutdown and evacuation of the surrounding area, brave divers going into radiation soaked water to disable a volatile reactor, and that radiation meant immediate death for those exposed. But this isn’t the case.

Misrepresentations of Chernobyl in the media are widespread, and it is at times difficult to separate the facts from misconception.

What occurred during the Chernobyl incident?

The V. I. Lenin Atomic Power Plant was constructed in 1970, about 15km from the Ukrainian city of Chernobyl. A town, Pripyat, was simultaneously erected a few kilometres from the plant to house its workers, their families, and other necessary staff.

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The Chernobyl area and surrounding countryside as seen from a satellite in April 2009, 23 years after the incident. NASA Earth Observatory/Wikimedia Commons

Unfortunately, in a fashion somewhat typical of communist construction projects (according to Leatherbarrow), some amount of concrete was missing from the Chernobyl plant, and the construction was not entirely perfect. This resulted in incomplete containment buildings, which were meant to act as the final defence against a nuclear accident, should all other methods of prevention fail. It is this short cut, and other similar ones in the design of the safety systems of Chernobyl, that resulted in the catastrophic failure of the Unit 4 reactor.

Leatherbarrow said, citing Grigori Medvedev’s Chernobyl Notebook: “Conventional wisdom at the time was that the RBMK could never cause a large-scale accident, because industry safety regulations would always be adhered to. Extra safety measures, they decided, were unnecessary.” It is perhaps for this reason that, for a long time, the blame for Chernobyl was laid on its operators — when in reality a combination of shortcuts in both building the plant and training its staff was responsible for what happened on April 26, 1986. The fact that there were 29 emergency shutdowns of reactors within the plant in its first four years of operation says that something was amiss. Only eight of these were caused by staff miscalculations, according to Leatherbarrow.

Shortcuts also occurred in the cooling devices necessary to keeping reactors at the ideal temperature. “The plant was originally going to be fitted with gas-cooled reactors, but this was eventually changed because of a shortage of the necessary equipment,” said Leatherbarrow.

The Chernobyl accident occurred when night operators of the plant tested a safety feature: allowing Unit 4 — a RMBK class graphite-moderated reactor — to power itself for about a minute, in case the power failed for some reason. According to the plant’s design, cooling water is supposed to flow into a reactor continuously, because without this it would overheat, because even if it is shut down and not operational, it still generates heat due to the decay of its nuclear fuel.

Theoretically, given the backup procedures in place at Chernobyl, water should still have flowed into the reactor to cool it. This, however, didn’t happen, and the appropriately trained staff were not present for the test. Leatherbarrow described the test as originally being scheduled for 5pm the previous day, with day staff who were fully briefed and trained for the test — however, it was delayed, evening staff took over, and soon they too went home to be replaced with night staff with very little knowledge of what to do. The test took place at about 1am on April 26, 1986.

To complicate matters even further, the reactor was not at an ideal stage for such a test to take place, being at a point in its cycle where a lot of old fuel had built up, making it hot and heavy with radioactive products. Power was reduced to a low enough level to make the reactor’s safety systems believe there was a power failure, and other safety systems were switched off in order to test safety features should all power fail, which was essentially the last line of defence against a full nuclear meltdown. At any rate, the instructions for the night staff to complete the procedure were convoluted, with hand annotations and some instructions struck out.

chernobyl-plant-1

The abandoned Chernobyl plant, in 2008. Fi Dot/Flickr

Power levels soon dropped too far and the reactor began to be poisoned by the release of xenon-135, an isotope that inhibits the fission reaction of the reactor. Leatherbarrow commented that if this massive drop in power hadn’t happened, the test likely would have proceeded without issue, and nothing out of the ordinary would have happened. The manager conducting the test, however, Anatoly Dyatlov, wanted the test to occur because it was postponed earlier, and he pushed it forward, meaning that the reactor became unstable. Dyatlov threatened staff who refused to conduct the test at this stage due to safety concerns, and eventually they complied. Leatherbarrow said the test was conducted at a point in time where its results would have been useless, and Dyatlov’s stubbornness prevented the reactor from being shut down at the last moments where it could safely have been. Leatherbarrow argued this reasoning is particularly illogical on Dyatlov’s part, and it is possible he was suffering a lot of pressure from his higher-ups, resulting in the irrational push to continue the test even when it was actively unsafe to do so.

When it was already too late, an emergency shutdown was attempted by one of the plant’s workers who originally refused to comply, but control of the reactor had already been lost. The emergency shutdown resulted in a further loss of control, and due to an issue with reactor design, the graphite rods used to control the reactor fell into the core, meaning that the emergency shut down button essentially did the opposite of what it was meant to do. To make things worse, the resulting explosion destroyed water pumps that would otherwise have supplied more coolant to the core, facilitating further disaster. However, had staff not stayed and followed the correct procedures after Unit 4 exploded, fire would have broken out, resulting in the destruction of the remaining three reactors, and the subsequent disaster would have been unthinkable.

Conflicting reports of what happened to cause the Chernobyl accident stem from the Soviet government’s initial claims that the tests were part of a new reactor feature, rather than a fairly standard one, and an initial report reaching Moscow of a hydrogen explosion in a safety system, rather than the reactor core explosion that had happened. Leatherbarrow could not account for where this false report came from, but said that the damage would have made it immediately obvious the core was damaged.

What happened immediately after the explosion?

Staff remained in the plant trying to control the situation, initially believing the reactor was undamaged and the explosion was due to hydrogen in a water cooling system. The only available radiation monitor capped at 1000 micro Rotogens, a high, but not deadly, level; it is likely levels were several orders of magnitude higher. When a more accurate monitor was uncovered, Dyatov dismissed it, claiming it must have been broken. He started to succumb to radiation poisoning within hours, spending six months in hospital and eventually surviving.

Firemen came to fight the blaze caused by the explosion, which had worsened due to the plant’s poor construction. Leatherbarrow described the roof of the plant as being constructed of bitumen in parts, a highly flammable substance. The roofing material was supposed to be resistant to fire, but a lack of the right materials lead to the plant’s construction being pushed ahead and bitumen used in its place. None of the firemen who went to battle the fire on the roof survived.

chernobyl-abandoned-bldg

Abandoned buildings in the Chernobyl Exclusion Zone, such as these, as captured in 2013, have been overtaken by nature. Antanana/Wikimedia Commons

Evacuation was not ordered until late the following morning, though during this time roadblocks were set up to stop people leaving or entering the area. The only reason for this, Leatherbarrow said, was likely that the government did not want news of the disaster spreading. When the evacuation message did get out, it spoke of a temporary evacuation only, and was quite misleading. The evacuation itself, however, was fairly efficient. The initial exclusion zone, 10km, was rethought and increased to 30km a few days later, meaning some people were relocated twice. Pregnant women were taken to a distance of 60km, and many of those who were relocated headed farther away anyway.

The operator of the plant and the manager who originally approved the test that triggered the Chernobyl accident were both sentenced to 10 years in a labour camp and were kicked out of the Communist Party.

Misinformation about the explosion began to circulate as knowledge of the accident became public. Despite the death toll being 2 when this happened, newspapers were quoting 2,000 dead, 80 as a result of the explosion itself. Curiously, this count of 2 deaths doesn’t include firefighters, as far as I can tell — likely because they didn’t die of radiation but from the toxins released by the bitumen, and because the melted bitumen stuck to their boots, limiting their mobility on the roof where they would die.

Sand was dropped on the still-alight reactor, cooling the fire, but many pilots later died from radiation exposure. The weight of the sand, however, led to fears that the foundations of the plant could not withstand the additional weight. If they did not hold, it was possible the plant would collapse and cause a steam explosion from the underground reservoir used for emergency cooling, causing the other three reactors to blow, and contaminating all of northern Ukraine and the south of Belarus, according to Leatherbarrow. While the sand had been mixed with boron to absorb neutrons from the fission reaction, none of this made it to the unstable core. Instead, the sand essentially sealed off entrance to the core, making the fire even hotter, and the pool of water beneath it needed to be drained.

The Chernobyl divers

Perhaps the largest mistruth about Chernobyl is the fate of the Chernobyl divers: most accounts (for example: 1, 2, in the top 4 results on Google) say the divers knew they were facing certain death, but donned wetsuits and dove into the radioactive water in the plant’s basement to release the valves to empty the dam underneath the reactor, saving the plant from further destruction.

The water flooding the basement had earlier been drained by firefighters. Some remained, but at its deepest it was only about knee-high. Three men, Ananenko, Baranov, and Bezpalov, entered the basement in order to find the valves that would allow for the draining of the reservoir. They would become known as the famous Chernobyl divers, however perhaps more surprisingly, they would survive.

All three ‘divers’ wore two dosimeters, the valves were found relatively quickly, and they retreated unharmed, for the most part. There are images of two of the divers in hospital, but they do not look particularly ill according to Leatherbarrow. Leatherbarrow said that two are likely still alive, though the third died in 2005 following heart problems.

The medical fallout

A total of 127 reactor workers, firemen and emergency personnel on site sustained radiation doses sufficient to cause radiation sickness (over 1,000 mSv); some received doses high enough to be lethal (over 5,000 mSv). Over the subsequent six months, 54 died from their radiation exposure. And it’s been estimated that 22 of the 110,645 clean-up workers may have contracted fatal leukemias over the next 25 years.

– Timothy J. Jorgensen, Georgetown University for The Conversation.

Chernobyl is the worst nuclear accident to have occurred to date, including the Fukushima disaster in 2011, and has caused an increase in the number of cases of thyroid cancer in the local geographic region — and is likely to cause more cases in the future. The culprit? Iodine-131, a fission product released from the reactor during the meltdown, Luckily for the people of Japan, iodine-131 was released at Fukushima at much lower levels than at Chernobyl, leading to thyroid doses that were far less dangerous.

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There are many memorials in the area to those who lost their lives containing the fire and radiation. Henrik Ismarker/Flickr

However, the number of immediate deaths due to Chernobyl is often over-estimated — although this is likely because many counts include the number of deaths from radiation exposure in the long-term, as opposed to simply those who died immediately of radiation sickness.

Only two men died during the actual explosion of Unit 4: Valeriy Khodemchuk and Vladimir Shashenok. Khodemchuk was in the reactor room when the core exploded and was killed instantly; his body was never found. Shashenok received an extremely high dose of radiation while he was monitoring pressure gauges, resulting in substantial burns all over his body. He died in hospital only 4.5 hours later. Two trainees died two weeks later of severe radiation poisoning after Dyatlov sent them to attempt to remove the cores manually, a decision he immediately regretted and tried to correct, but it was too late: he did not reach them in time. Many of the staff who stayed after Unit 4 exploded died in the subsequent weeks, having been exposed to multiple lethal doses of radiation in their attempts to prevent further damage.

Many firefighters were rushed to hospital in Pripyat to be treated for radiation sickness — however, the hospital was not well prepared for this, and many doctors and nurses, exposed to the fission products contaminating their patients, suffered from radiation poisoning as well.

Those who suffered the effects of radiation in the initial response — firefighters, workers — were taken from Pripyat to Moscow. Many of them died over a number of weeks as the effects of radiation exposure took hold. Initially, headaches, vomiting and nausea were common, but later the radiation caused their skin to disintegrate from the burns — it would crack and blister, and eventually turn necrotic — as well as prompting internal bleeding and organ failure. Other than in cases of high level acute exposure, radiation typically takes a while to kill. Often, patients feel they are getting better as the initial symptoms subside, before their bodies begin to slowly shut down. 18,000 people were hospitalised and treated for radiation related sickness after Chernobyl.

Miners who attempted to install refrigeration machinery around the still-hot reactor also suffered the effects of radiation. While some survived, Leatherbarrow estimated that at least a quarter of the miners recruited (though no accurate number exists) were killed — all of them were between 20 and 30 when they were sent to dig, and none of that quarter reached 40. The refrigeration machinery was never installed; the core began to cool, and heat-resistant concrete filled that space instead.

While scientists debate the impact Chernobyl has had on animal life, the general consensus is that insects and birds have suffered declines in populations and the ill effects of chronic radiation exposure (such as deformity, sterility and cancers), while some larger animals have actually flourished. Boar and deer numbers, for example, are on the increase, with similar numbers reported outside of the exclusion zone in uncontaminated reserves.

In general, though, we are still taking stock of the damage caused by Chernobyl. Due to the nature of radiation, it is difficult for scientists to know the long-term effects, as they are still occurring.

The dangers of nuclear energy

In the opening chapter of Chernobyl 01:23:40, Leatherbarrow described the number of global energy-related radiation accidents as fairly low. Compared to other forms of power generation, such as coal mining and petroleum drilling, nuclear energy is responsible for far fewer deaths, and less accidents in general, even considering Chernobyl and Fukushima.

history. Rubee is a history and philosophy student, with a particular interest in the history of science and academia. Andrew Leatherbarrow’s book Chernobyl 01:23:40 begins: “Radiation is perhaps the most misunderstood phenomenon known to humanity,” and rightly so. The 1986 Chernobyl nuclear disaster is an event most of us have heard of, but one few of us know the truth of. Before reading Leatherbarrow’s book and doing my own research, I thought 'Chernobyl' meant the immediate shutdown and evacuation of the surrounding area, brave divers going into radiation soaked water to disable a volatile reactor, and that radiation meant immediate death for those exposed. But this isn’t the case. Misrepresentations of Chernobyl in the media are widespread, and it is at times difficult to separate the facts from misconception. What occurred during the Chernobyl incident? The V. I. Lenin Atomic Power Plant was constructed in 1970, about 15km from the Ukrainian city of Chernobyl. A town, Pripyat, was simultaneously erected a few kilometres from the plant to house its workers, their families, and other necessary staff. The Chernobyl area and surrounding countryside as seen from a satellite in April 2009, 23 years after the incident. NASA Earth Observatory/Wikimedia Commons (public domain) The Chernobyl area and surrounding countryside as seen from a satellite in April 2009, 23 years after the incident. NASA Earth Observatory/Wikimedia Commons (public domain) Unfortunately, in a fashion somewhat typical of communist construction projects (according to Leatherbarrow), some amount of concrete was missing from the Chernobyl plant, and the construction was not entirely perfect. This resulted in incomplete containment buildings, which were meant to act as the final defence against a nuclear accident, should all other methods of prevention fail. It is this short cut, and other similar ones in the design of the safety systems of Chernobyl, that resulted in the catastrophic failure of the Unit 4 reactor. Leatherbarrow said, citing Grigori Medvedev’s Chernobyl Notebook: “Conventional wisdom at the time was that the RBMK could never cause a large-scale accident, because industry safety regulations would always be adhered to. Extra safety measures, they decided, were unnecessary.” It is perhaps for this reason that, for a long time, the blame for Chernobyl was laid on its operators — when in reality a combination of shortcuts in both building the plant and training its staff was responsible for what happened on April 26, 1986. The fact that there were 29 emergency shutdowns of reactors within the plant in its first four years of operation says that something was amiss. Only eight of these were caused by staff miscalculations, according to Leatherbarrow. Shortcuts also occurred in the cooling devices necessary to keeping reactors at the ideal temperature. “The plant was originally going to be fitted with gas-cooled reactors, but this was eventually changed because of a shortage of the necessary equipment,” said Leatherbarrow. The Chernobyl accident occurred when night operators of the plant tested a safety feature: allowing Unit 4 — a RMBK class graphite-moderated reactor — to power itself for about a minute, in case the power failed for some reason. According to the plant’s design, cooling water is supposed to flow into a reactor continuously, because without this it would overheat, because even if it is shut down and not operational, it still generates heat due to the decay of its nuclear fuel. Theoretically, given the backup procedures in place at Chernobyl, water should still have flowed into the reactor to cool it. This, however, didn’t happen, and the appropriately trained staff were not present for the test. Leatherbarrow described the test as originally being scheduled for 5pm the previous day, with day staff who were fully briefed and trained for the test — however, it was delayed, evening staff took over, and soon they too went home to be replaced with night staff with very little knowledge of what to do. The test took place at about 1am on April 26, 1986. To complicate matters even further, the reactor was not at an ideal stage for such a test to take place, being at a point in its cycle where a lot of old fuel had built up, making it hot and heavy with radioactive products. Power was reduced to a low enough level to make the reactor’s safety systems believe there was a power failure, and other safety systems were switched off in order to test safety features should all power fail, which was essentially the last line of defence against a full nuclear meltdown. At any rate, the instructions for the night staff to complete the procedure were convoluted, with hand annotations and some instructions struck out. The abandoned Chernobyl plant, in 2008. Fi Dot/Flickr (CC BY-SA 2.0) The abandoned Chernobyl plant, in 2008. Fi Dot/Flickr (CC BY-SA 2.0) Power levels soon dropped too far and the reactor began to be poisoned by the release of xenon-135, an isotope that inhibits the fission reaction of the reactor. Leatherbarrow commented that if this massive drop in power hadn’t happened, the test likely would have proceeded without issue, and nothing out of the ordinary would have happened. The manager conducting the test, however, Anatoly Dyatlov, wanted the test to occur because it was postponed earlier, and he pushed it forward, meaning that the reactor became unstable. Dyatlov threatened staff who refused to conduct the test at this stage due to safety concerns, and eventually they complied. Leatherbarrow said the test was conducted at a point in time where its results would have been useless, and Dyatlov’s stubbornness prevented the reactor from being shut down at the last moments where it could safely have been. Leatherbarrow argued this reasoning is particularly illogical on Dyatlov’s part, and it is possible he was suffering a lot of pressure from his higher-ups, resulting in the irrational push to continue the test even when it was actively unsafe to do so. When it was already too late, an emergency shutdown was attempted by one of the plant’s workers who originally refused to comply, but control of the reactor had already been lost. The emergency shutdown resulted in a further loss of control, and due to an issue with reactor design, the graphite rods used to control the reactor fell into the core, meaning that the emergency shut down button essentially did the opposite of what it was meant to do. To make things worse, the resulting explosion destroyed water pumps that would otherwise have supplied more coolant to the core, facilitating further disaster. However, had staff not stayed and followed the correct procedures after Unit 4 exploded, fire would have broken out, resulting in the destruction of the remaining three reactors, and the subsequent disaster would have been unthinkable. Conflicting reports of what happened to cause the Chernobyl accident stem from the Soviet government’s initial claims that the tests were part of a new reactor feature, rather than a fairly standard one, and an initial report reaching Moscow of a hydrogen explosion in a safety system, rather than the reactor core explosion that had happened. Leatherbarrow could not account for where this false report came from, but said that the damage would have made it immediately obvious the core was damaged. What happened immediately after the explosion? Staff remained in the plant trying to control the situation, initially believing the reactor was undamaged and the explosion was due to hydrogen in a water cooling system. The only available radiation monitor capped at 1000 micro Rotogens, a high, but not deadly, level; it is likely levels were several orders of magnitude higher. When a more accurate monitor was uncovered, Dyatov dismissed it, claiming it must have been broken. He started to succumb to radiation poisoning within hours, spending six months in hospital and eventually surviving. Firemen came to fight the blaze caused by the explosion, which had worsened due to the plant’s poor construction. Leatherbarrow described the roof of the plant as being constructed of bitumen in parts, a highly flammable substance. The roofing material was supposed to be resistant to fire, but a lack of the right materials lead to the plant’s construction being pushed ahead and bitumen used in its place. None of the firemen who went to battle the fire on the roof survived. Abandoned buildings in the Chernobyl Exclusion Zone, such as these, as captured in 2013, have been overtaken by nature. Antanana/Wikimedia Commons (CC BY-SA 3.0) Abandoned buildings in the Chernobyl Exclusion Zone, such as these, as captured in 2013, have been overtaken by nature. Antanana/Wikimedia Commons (CC BY-SA 3.0) Evacuation was not ordered until late the following morning, though during this time roadblocks were set up to stop people leaving or entering the area. The only reason for this, Leatherbarrow said, was likely that the government did not want news of the disaster spreading. When the evacuation message did get out, it spoke of a temporary evacuation only, and was quite misleading. The evacuation itself, however, was fairly efficient. The initial exclusion zone, 10km, was rethought and increased to 30km a few days later, meaning some people were relocated twice. Pregnant women were taken to a distance of 60km, and many of those who were relocated headed farther away anyway. The operator of the plant and the manager who originally approved the test that triggered the Chernobyl accident were both sentenced to 10 years in a labour camp and were kicked out of the Communist Party. Misinformation about the explosion began to circulate as knowledge of the accident became public. Despite the death toll being 2 when this happened, newspapers were quoting 2,000 dead, 80 as a result of the explosion itself. Curiously, this count of 2 deaths doesn’t include firefighters, as far as I can tell — likely because they didn’t die of radiation but from the toxins released by the bitumen, and because the melted bitumen stuck to their boots, limiting their mobility on the roof where they would die. Sand was dropped on the still-alight reactor, cooling the fire, but many pilots later died from radiation exposure. The weight of the sand, however, led to fears that the foundations of the plant could not withstand the additional weight. If they did not hold, it was possible the plant would collapse and cause a steam explosion from the underground reservoir used for emergency cooling, causing the other three reactors to blow, and contaminating all of northern Ukraine and the south of Belarus, according to Leatherbarrow. While the sand had been mixed with boron to absorb neutrons from the fission reaction, none of this made it to the unstable core. Instead, the sand essentially sealed off entrance to the core, making the fire even hotter, and the pool of water beneath it needed to be drained. The Chernobyl divers Perhaps the largest mistruth about Chernobyl is the fate of the Chernobyl divers: most accounts (for example: 1, 2, in the top 4 results on Google) say the divers knew they were facing certain death, but donned wetsuits and dove into the radioactive water in the plant’s basement to release the valves to empty the dam underneath the reactor, saving the plant from further destruction. The water flooding the basement had earlier been drained by firefighters. Some remained, but at its deepest it was only about knee-high. Three men, Ananenko, Baranov, and Bezpalov, entered the basement in order to find the valves that would allow for the draining of the reservoir. They would become known as the famous Chernobyl divers, however perhaps more surprisingly, they would survive. All three ‘divers’ wore two dosimeters, the valves were found relatively quickly, and they retreated unharmed, for the most part. There are images of two of the divers in hospital, but they do not look particularly ill according to Leatherbarrow. Leatherbarrow said that two are likely still alive, though the third died in 2005 following heart problems. The medical fallout A total of 127 reactor workers, firemen and emergency personnel on site sustained radiation doses sufficient to cause radiation sickness (over 1,000 mSv); some received doses high enough to be lethal (over 5,000 mSv). Over the subsequent six months, 54 died from their radiation exposure. And it’s been estimated that 22 of the 110,645 clean-up workers may have contracted fatal leukemias over the next 25 years. – Timothy J. Jorgensen, Georgetown University for The Conversation. Chernobyl is the worst nuclear accident to have occurred to date, including the Fukushima disaster in 2011, and has caused an increase in the number of cases of thyroid cancer in the local geographic region — and is likely to cause more cases in the future. The culprit? Iodine-131, a fission product released from the reactor during the meltdown, Luckily for the people of Japan, iodine-131 was released at Fukushima at much lower levels than at Chernobyl, leading to thyroid doses that were far less dangerous. There are many memorials in the area to those who lost their lives containing the fire and radiation. Henrik Ismarker/Flickr (CC BY-NC-ND 2.0) There are many memorials in the area to those who lost their lives containing the fire and radiation. Henrik Ismarker/Flickr (CC BY-NC-ND 2.0) However, the number of immediate deaths due to Chernobyl is often over-estimated — although this is likely because many counts include the number of deaths from radiation exposure in the long-term, as opposed to simply those who died immediately of radiation sickness. Only two men died during the actual explosion of Unit 4: Valeriy Khodemchuk and Vladimir Shashenok. Khodemchuk was in the reactor room when the core exploded and was killed instantly; his body was never found. Shashenok received an extremely high dose of radiation while he was monitoring pressure gauges, resulting in substantial burns all over his body. He died in hospital only 4.5 hours later. Two trainees died two weeks later of severe radiation poisoning after Dyatlov sent them to attempt to remove the cores manually, a decision he immediately regretted and tried to correct, but it was too late: he did not reach them in time. Many of the staff who stayed after Unit 4 exploded died in the subsequent weeks, having been exposed to multiple lethal doses of radiation in their attempts to prevent further damage. Many firefighters were rushed to hospital in Pripyat to be treated for radiation sickness — however, the hospital was not well prepared for this, and many doctors and nurses, exposed to the fission products contaminating their patients, suffered from radiation poisoning as well. Those who suffered the effects of radiation in the initial response — firefighters, workers — were taken from Pripyat to Moscow. Many of them died over a number of weeks as the effects of radiation exposure took hold. Initially, headaches, vomiting and nausea were common, but later the radiation caused their skin to disintegrate from the burns — it would crack and blister, and eventually turn necrotic — as well as prompting internal bleeding and organ failure. Other than in cases of high level acute exposure, radiation typically takes a while to kill. Often, patients feel they are getting better as the initial symptoms subside, before their bodies begin to slowly shut down. 18,000 people were hospitalised and treated for radiation related sickness after Chernobyl. Miners who attempted to install refrigeration machinery around the still-hot reactor also suffered the effects of radiation. While some survived, Leatherbarrow estimated that at least a quarter of the miners recruited (though no accurate number exists) were killed — all of them were between 20 and 30 when they were sent to dig, and none of that quarter reached 40. The refrigeration machinery was never installed; the core began to cool, and heat-resistant concrete filled that space instead. While scientists debate the impact Chernobyl has had on animal life, the general consensus is that insects and birds have suffered declines in populations and the ill effects of chronic radiation exposure (such as deformity, sterility and cancers), while some larger animals have actually flourished. Boar and deer numbers, for example, are on the increase, with similar numbers reported outside of the exclusion zone in uncontaminated reserves. In general, though, we are still taking stock of the damage caused by Chernobyl. Due to the nature of radiation, it is difficult for scientists to know the long-term effects, as they are still occurring. The dangers of nuclear energy In the opening chapter of Chernobyl 01:23:40, Leatherbarrow described the number of global energy-related radiation accidents as fairly low. Compared to other forms of power generation, such as coal mining and petroleum drilling, nuclear energy is responsible for far fewer deaths, and less accidents in general, even considering Chernobyl and Fukushima. The Fukushima disaster in 2011 was one of very few global nuclear incidents. Abasaa/Wikimedia Commons (public domain) The Fukushima disaster in 2011 was one of very few global nuclear incidents. Abasaa/Wikimedia Commons (public domain) Most of the few nuclear accidents have been caused by the fact that nuclear power is still relatively new, which is worth considering. Nuclear energy is something we are still learning about as a society. It has been responsible for fewer deaths than other energy-generation methods we have been using for far longer, it can hardly be deemed unsafe if we consider that more people still die in mines, which we know a lot more about than nuclear power. By contemporary Western standards, Chernobyl would not have been operational, and so it is arguable that Chernobyl was not a failing of nuclear energy in general — the problem was entirely in its construction and management. Anti-nuclear proponents cite greenhouse emissions inherent in reactor construction and the current unavailability of newer model reactors that restrict or prevent weapons proliferation, waste products and accidents like Chernobyl and Fukushima, as reasons why nuclear power is not worth the risk. This risk is what is often called into question — is it acceptable? The nuclear decision these days comes down to whether the risks involved are acceptable, and essentially involves weighing the pros and cons of safety, possible accidents, and other effects such as climate change and economics. I would argue that incidents like Chernobyl and Fukushima polarise opinions on nuclear energy, while there is not a lot of general understanding of nuclear power out there. We can see by the myths surrounding Chernobyl, even now — thirty years on — that nuclear power and the effects of radiation are not well understood. That the cause of the Chernobyl accident is frequently misrepresented surely speaks to the idea that Chernobyl is not a reason to be used in an argument about the flaws of nuclear power. At worst, it could be described as an example of human error and shortcuts taken in construction, rather than an argument against nuclear power.

The Fukushima disaster in 2011 was one of very few global nuclear incidents. Abasaa/Wikimedia Commons (public domain)

Most of the few nuclear accidents have been caused by the fact that nuclear power is still relatively new, which is worth considering. Nuclear energy is something we are still learning about as a society. It has been responsible for fewer deaths than other energy-generation methods we have been using for far longer, it can hardly be deemed unsafe if we consider that more people still die in mines, which we know a lot more about than nuclear power. By contemporary Western standards, Chernobyl would not have been operational, and so it is arguable that Chernobyl was not a failing of nuclear energy in general — the problem was entirely in its construction and management.

Anti-nuclear proponents cite greenhouse emissions inherent in reactor construction and the current unavailability of newer model reactors that restrict or prevent weapons proliferation, waste products and accidents like Chernobyl and Fukushima, as reasons why nuclear power is not worth the risk. This risk is what is often called into question — is it acceptable? The nuclear decision these days comes down to whether the risks involved are acceptable, and essentially involves weighing the pros and cons of safety, possible accidents, and other effects such as climate change and economics.

I would argue that incidents like Chernobyl and Fukushima polarise opinions on nuclear energy, while there is not a lot of general understanding of nuclear power out there. We can see by the myths surrounding Chernobyl, even now — thirty years on — that nuclear power and the effects of radiation are not well understood. That the cause of the Chernobyl accident is frequently misrepresented surely speaks to the idea that Chernobyl is not a reason to be used in an argument about the flaws of nuclear power. At worst, it could be described as an example of human error and shortcuts taken in construction, rather than an argument against nuclear power.

Dr. James Conca, an expert on energy, nuclear and dirty bombs, a planetary geologist, and a professional speaker researched the Chernobyl incident and wrote the following which originally appeared in Forbes.com:

This year (2016 when written) marks the 30th anniversary of the Chernobyl accident (today April 26th) and the 5th anniversary of the Fukushima accident (March 11th). These two events constitute the only serious accidents in the nuclear power industry in history. People died as a result of Chernobyl, but no one has yet died from Fukushima. There were some less severe accidents, mostly at weapons sites, but the nuclear power industry is still the safest industry in the world by any measure.

So how serious was Chernobyl? How many people were actually killed by radiation and subsequent cancers?

340,000 people were evacuated or resettled after the accident. Five million people live in what many consider contaminated areas in northern Europe, but no radiation-induced health effects have been observed in these groups and their resettlement is now considered a grave mistake that destroyed the lives of an entire generation.

Chernobyl2

The media continues to wrongly assert that experts still debate whether the Chernobyl deaths number in the hundreds or in the millions, but there is actually no such debate among the experts. The number is less than a hundred. While this is horrible, it does not rise to the level of the millions of deaths that the public now believes resulted from this accident and that has so incorrectly colored the worldview on nuclear energy.

Several organizations have reported on the impacts of the Chernobyl accident, but all have had problems assessing the significance of their observations because of the lack of reliable public health information in this region before 1986. The inability to establish a control group led to wild assertions of health effects that were little more than made up.

The World Health Organization first raised concerns in 1989 that local medical personnel had incorrectly attributed various biological and health effects to radiation exposure. Following this, the Soviet Government requested the International Atomic Energy Agency (IAEA) to coordinate an international expert assessment of the Chernobyl accident’s radiological, environmental and health consequences in selected towns of the most heavily contaminated areas in Belarus, Russia, and the Ukraine.

Between March 1990 and June 1991, a total of 50 field missions were conducted by 200 experts from 25 countries, seven organizations, and 11 laboratories. In the absence of pre-1986 data, it compared a control population known to not have been affected by the disaster with those exposed to radiation. Significant health disorders were evident in both control and exposed groups, but none were related to radiation.

The health effects, including deaths, were thoroughly documented by the Chernobyl Forum September 6-7, 2005 in Vienna in their resultant report.  The Chernobyl Forum was established by the IAEA in 2003 to provide an authoritative consensus on the impact of the accident.  Forum members included the IAEA, the United Nations Coordinator of Humanitarian Affairs, the United Nations Development Program, the United Nations Food and Agriculture Organization, the United Nations Environment Program, the United Nations Scientific Committee on the Effects of Atomic Radiation, the World Health Organization, and the World Bank.  The governments of Belarus, Russia, and Ukraine were also members of the Forum.

As summarized by Dr. William Burchill, former President of the American Nuclear Society, the actual fatalities were

  • 2 immediate, non-radiation deaths
  • 28 early fatalities from radiation within 4 months,
  • 19 late adult fatalities from radiation over the next 20 years, and
  • 9 late child fatalities from radiation resulting in thyroid cancer.

These last 9 are an inexcusable tragedy since they were totally avoidable with a warning from the Soviet government (which they intentionally failed to do in time), and appropriate administration of potassium iodide prior to I-131 reaching that area and getting into the food chain, also failed by the Soviets.

Almost a thousand emergency workers were thrown into the fire in the first days of the accident by the Soviets, and this led to the approximately 50 deaths from cancer and other health issues.

According to Mikhail Balonov, Secretary of Science at the International Atomic Energy Agency, the 600,000 recovery and operations workers that have worked at Chernobyl since the accident, and the 5 million residents of the contaminated areas in the Ukraine, Belarus and Russia, received minor doses similar to natural background radiation levels. There have been no observable radiation-induced health effects in these people. And certainly none have occurred in areas outside these regions which received even less dose.

Those who selflessly worked to fight the Chernobyl fire and to clean-up the contaminated environment after the accident were called liquidators. As a U.S. Government coordinator of Chernobyl water and soil environments. Dr. Yasuo Onishi, Emeritus at PNNL, worked with many liquidators who were also radiation scientists, and made an important observation:

“Fully knowingly, these scientists risked their lives by measuring Chernobyl environmental radiation levels and remediating contaminated environments. For example, to be safe from radiation, they could stay for only a month in the contaminated area.  But they stayed in the Chernobyl area for a month, and then went back to their home towns.  After a month in their home towns, they went back again to Chernobyl for a month.  They repeated this cycle multiple times. When I asked them why they did such dangerous actions, they told me that it was their job to protect people.  They truly love their people.”

As concluded in the 2008 report of the United Nations Scientific Committee on the Effects of Atomic Radiation: “There is no scientific evidence of increases in overall cancer incidence or mortality rates or in rates of non-malignant disorders that could be related to radiation exposure.”

Immediately after the accident, the ultra-conservative regulatory Linear No-Threshold (LNT) dose hypothesis was used to guesstimate that about 4,000 deaths could eventually occur by radiation from Chernobyl, but these still have not been observed. The United Nations has since warned that using the LNT model to calculate such deaths is an incorrect use of this model, and should be avoided.

The irony is that this number of 4,000 deaths was taken by the media as being conservative, when it was truly liberal, and was doubled and tripled over and over, until some people started putting out numbers closer to a million, a favorite number of anti-nuclear ideologues. Today, on the 30th anniversary, these ridiculous numbers will be rampant throughout the news media and blogosphere.

However, as with Fukushima, the most significant health and economic problems came from the perceived severity of the accident and the fear spread through misunderstanding of radiation effects and the sometimes unethical exploitation of the refugees.

The Chernobyl Forum reported that people in the area suffered a paralyzing fatalism resulting from the myths and misperceptions about the threat of radiation, which has contributed to a culture of chronic dependency. Mental health coupled with smoking and alcohol abuse has been an overwhelmingly greater problem than radiation in all of the contaminated zones, but worst of all was the underlying poor level of health and nutrition which gave rise to many health problems unrelated to radiation, although many were attributed to radiation. Unfortunately, relocation of this many people was extremely traumatic and did little to reduce radiation exposure, which was low anyway.

In fact, the fear-mongering and inflated death-toll of Chernobyl over the years led directly to the public and government over-reaction to Fukushima and the unnecessary harm to tens of thousands of Japanese citizens.

Chernobyl_vista

In the 30 years since the disaster at Chernobyl, wildlife in the highly radioactive ‘Exclusion Zone’ has thrived. Mike Wood and Nick Beresford report from a nature reserve like no other

A 30-km exclusion zone still exists around the Chernobyl reactor, and has been maintained as a precaution, even though the radiation levels in this zone are far below any that would cause health effects. Unmolested by human hands, the Chernobyl exclusion zone has become an amazing natural wildlife habitat, as well as a growing tourist attraction. In fact, about a thousand people never left Chernobyl and have survived just fine for 30 years. Another 3,000 people still work at the reactor complex.

So the truth is boring, but it’s essential that the truth is recognized and used as part of a rational discussion on global nuclear safety and nuclear power, and folded into how we choose a diverse mix of low-carbon energy that we need to adopt for the long-term survival of humanity and the planet on whichwe live.

Sources: http://www.lateralmag.com/columns/sampling-eras/chernobyl-truths; https://www.forbes.com/sites/jamesconca/2016/04/26/will-the-truth-about-chernobyl-ever-come-out/#313a3f724ee2

Read also: http://www.21stcenturysciencetech.com/articles/chernobyl.html

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