View allAll Photos Tagged geigercounter

Radioactive Lenses

I wrote a blog post recently discussing radioactive vintage lenses and addressing some common concerns. This photo was taken to accompany that post. It features a Pentax Takumar 50mm f1.4 which is the most radioactive in my collection. You can find this article by following the link below.

 

www.sollows.ca/blog/radioactive

Chernobyl Tourist checks if she has been contaminated

In revisiting my photos from the National Museum of Atomic Science and History, I found this "gem." This would have been from just before the "duck and cover" drills in schools to hide from a nuclear blast under one's desk.

Very interesting discussion of the current placement of the beginning of the "anthropocene" with the appearance of plutonium in lake bed sediments.

Chernobyl hotel dining room

First unit in this 'Raptor' line-up is a powersuit developed for exploring and surviving in highly radiated areas.

 

Long walks with a singing Geigercounter are no issue due to its thick shielding and rad cleaning tank. The on-board life support system takes care of the pilot for sessions between 16h-24h.

 

This Fallout Raptor is also equipped with a Rad Neutralizer arm: "Point and shoot at glowing stuff"

 

Check out the other raptors in the series:

- Tequilatron

- Space firemen

- Neo CS

- Blacktron 1

- Ma.K SAFS

- System, MK1

- Ice Planet 2002

- Space Police 2

- City: Road construction

- Star Wars

- Exploriens '96

- M:Tron

- U.F.O.

- Blacktron 2

- IKEA

- Cargo Delivery

 

Raptor LXF File:

Download the Raptor schematics here

20110403UKA Ukraine and Tschernobyl. Further with this dystopian series; an abandoned hairdressers in Pripyat, the town next to Tschernobyl which was first evacuated 36 hours after the reactor explosion. @esspress #tschernobyl #radioactive #pripyat #hothairdressers #hotcurlingtongs #salon #art #Urban #Idylls #185 #urbanidylls #photography #instagram #street www.hughes-photography.eu www.flickr.com/photos/michael_hughes www.monochrome.photos www.hughes.berlin

20110403UA Geiger counter Chernobyl, Ukraine #souvenirs #18 #chernobyl #radiation #gau geigercounter #atomruin #lockdownblues #travel #art #photography #instagram #street www.hughes-photography.eu www.flickr.com/photos/michael_hughes www.hughes.berlin @michaelcameronhughes

In the front of the Ferris wheel of the former amusement park of the city of Pripyat.

 

Normal value: 0.1 - 0.3 µSv (microsievert) per hour

Cooling Tower

20110403UKA Ukraine and Tschernobyl. Hotel Tschernobyl dining room 25 years after the nuclear disaster. Touching attempt to make the dining room more hospitable. I walked past the kitchen where they were cutting up an entire pig. Wanted to take a picture but they slammed the door on me. @esspress #tschernobyl #radioactive #hotmeals #welcomehome #diningroom #art #Urban #Idylls #184 #urbanidylls #photography #instagram #street www.hughes-photography.eu www.flickr.com/photos/michael_hughes www.monochrome.photos www.hughes.berlin

In front of the new safe confinement.

Normal exposure: 0.1 - 0.3 µSv (microsievert) per hour

“This is the exploration vehicle for the U.S. “Man on the Moon” program, as conceived by scientists and engineers of the Lockheed Missiles and Space Company at Sunnyvale, California. Designed for a 600-mile round trip from a lunar base site, the vehicle would provide almost 200 hours at a destination site for exploratory purposes. The two-man vehicle, 12 feet in diameter, contains a combination air-lock and emergency compartment to provide protection against solar flare activity or meteoroid penetration. The vehicle would be propelled in a ballistic path by a rocket system using a storable propellant.”

 

I believe the artwork/print is prior to 1964.

 

Additionally, from Paul Vreede’s wonderful “SPACEX: GOLDEN ASTRONAUT” website, taken from David S. F. Portree’s superlative original blog:

 

“Lockheed's two-man Lunar Surface Ballistic Vehicle (LSBV) would "hop" over the lunar landscape using a nitrogen tetroxide/hydrazine rocket motor. The motor would fire briefly to lob the LSBV onto a suborbital path, then again to slow it to a gentle touchdown at a remote exploration site. Twin landing skids would cant out of way of the rocket blast in flight. The crew would ride inside a 12-foot-diameter spherical cabin topped by a silver thermal insulation "beanie cap" that would ward off heat from its pitch/roll thrusters and from harsh lunar sunlight. The LSBV, which would weigh 775 pounds on the moon, would need to carry 1250 pounds of propellants in its twin spherical side-mounted tanks to make a 200-mile round trip flight. Short trip time would be the LSBV's chief advantage over the LTV; a 200-mile LSBV flight would last 15 minutes, while a 200-mile LTV traverse would need 40 hours.”

 

At:

 

www.triangspacextoys.info/SpGAorig/MnBs_OrF/MnBs_OrP.html

 

I don’t see the two-man capability, at least not of the second occupant to be similarly seated. However, the object next to the astronaut does look like an ‘examination table’.

 

See also:

 

www.secretprojects.co.uk/threads/lockheed-moon-base.10309/

Credit: SECRET PROJECTS website

 

Finally, I’ve come across this multiple times over the decades, loved it & had always hoped to see it at higher resolution! Ta-dah!

 

It's exquisite & meticulous. I think it’s by Ludwik Źiemba…or one of his protégés. Although, in color, this & all of the others from this ‘series’ look really cartoonish.

My portable geiger counter arrived in the post today 😄.

Here it is resting on the rear of my Yashinon DS 50mm f1.7 lens, going beserk with radiation >10x room background.

More "fun with photography" to come, with thanks to Simon's utak - see his videos on radioactive lenses eg. youtu.be/ZaAOMPvlTaU

Classic late '70's stereo setup.                                        

Advent speakers - oscilloscope - turntable - cassette deck - two reel to reel machines - receiver - big heavy (Koss?) headphones - Many albums, cassette and reel to reel tapes - Discwasher fluid (large and small bottles) - tv - milk crates as furniture - index card file with music lists - other odds and ends - some sort of home built and commercial control units under oscilloscope and unidentified homebuilt device all wired up below the tv ... - geiger counter [ Three mile island happened recently and this apartment is near Binghamton, NY ] This guy was (is) an electrical engineer, here, fresh out of college . [ large ]

kodachrome slide 1979

 

** update, from one of the makers: "One of those unidentified electronic objects was a circuit Carlos (knees in the photo) and I (Bill) devised to translate signals from his quadrophonic amp to drive the oscilloscope sitting atop everything in the picture. It displayed cool patterns that danced with the music. We built it on a SuperStrip board. . ."

A Geiger counter, also called a Geiger-Müller counter, is a type of particle detector that measures ionizing radiation. They detect the emission of nuclear radiation: alpha particles, beta particles or gamma rays. A Geiger counter detects radiation by ionization produced in a low-pressure gas in a Geiger-Müller tube. Each particle detected produces a pulse of current, but the Geiger counter cannot distinguish the energy of the source particles. Geiger counters are popular instruments used for measurements in health physics, industry, geology and other fields, because they can be made with simple electronic circuits.

 

en.wikipedia.org/wiki/Geiger_counter

 

The Chernobyl Nuclear Power Plant or Chornobyl Nuclear Power Plant (Ukrainian: Державне спецiалiзоване пiдприємство "Чорнобильська АЕС", Russian: Чернобыльская АЭС) is a decommissioned nuclear power station near the city of Pripyat, Ukraine, 18 km (11 mi) northwest of the city of Chernobyl, 16 km (9.9 mi) from the Ukraine-Belarus border, and about 110 km (68 mi) north of Kiev. Reactor 4 was the site of the Chernobyl disaster in 1986. The nuclear power plant site is to be cleared by 2065. On January 3, 2010, a Ukrainian law stipulating a "programme" toward this objective came into effect.

 

On Saturday, April 26, 1986, a disaster occurred at reactor No. 4, which has been widely regarded as the worst accident in the history of nuclear power. As a result, reactor No. 4 was completely destroyed and has since been enclosed in a concrete and lead sarcophagus to prevent further escape of radiation. Many of the people living near the nuclear plant have either died, (from radiation sickness) or their children have serious medical issues, such as weak bones. Large areas of Europe were affected by the accident. The radiation cloud spread as far away as Norway, in Scandinavia.

 

en.wikipedia.org/wiki/Chernobyl_Nuclear_Power_Plant

Nuclear radiation detectors seen in the Secret Nuclear Bunker, Kelvedon

Chernobyl outlying village which has been ploughed under the earth - kindergarten with radioactive sign

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

Civilian Defense CDV-715 Ion-Chamber radiation survey meter. Photographed with a Zenza Bronica ETRSi with a Macro PE100mm f/4 lens. The film is Ilford HP5 Plus 400 developed in Beerenol (Pabst Blue Ribbon Beer).

Normal value: 0.1 - 0.3 μSv

According to KGB documents that were declassified in April 2021, "serious incidents" occurred in the third and fourth reactors in 1984, two years before reactor #4 exploded....

all images/posts are for educational purposes and are under copyright of creators and owners. Commercial use is prohibited.

The Gilbert Atomic Energy Lab allowed children to create and watch nuclear and chemical reactions using radioactive material. The lab set was criticized as "the world's most dangerous toy" because of the radioactive material it included. The Lab was never popular.

-- Wikipedia

Different angle:

 

[ www.flickr.com/photos/kliza/4435935021/ ]

 

--------------------

 

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

 

__________________________________________________________________

This place (the swimming pool in the abandoned school in Pripyat') was featured in Call of Duty 4, according to a friend of mine.

Student dynamic art installation, Nuit Blanche 2007 -

university back campus, Bloor-Yorkville, Toronto

 

_DSC0103 Anx2 Q90 Apmx vibrant Ap Q11 upres 20% Anx2 NR Q90 V2

355 / 365

 

Just playing around with a prop I made for my movie project I have been working on, a new age love story at the end of the world!

Chernobyl outlying village which has been ploughed under the earth - kindergarten with radioactive sign

Normal value: 0.1 - 0.3 μSv

I must have been one of the first to take this picture as the new sarcophagus just got installed.

Pripyat (Ukraine)

 

This photo is part of my photo exhibit Chernobyl: the legacy of a disaster.

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

When the fallout clears, only the cockroaches, rats and SHUDDER - Humans will be left.

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

Pripyat main square 25 years after the nuclear disaster, the town was evacuted 36 hours later.

National Museum of Nuclear Science & History

 

CRITICAL ASSEMBLY

THE SECRETS OF LOS ALAMOS 1944:

INSTALLATION BY AMERICAN SCULPTOR JIM SANBORN

 

Civil Defense

CD V-777-2

Radiation Detection Kit

 

------------------------------

 

In Critical Assembly (1998-2003), Jim Sanborn has re-created the moment in 1945 when human beings first fashioned a practical device powered by nuclear fission. It was called the "gadget" We know it today as the Trinity bomb. When it exploded on July 16 in the New Mexico desert, it permanently changed the human condition.

 

The place Sanborn takes us to is Los Alamos, in the 1940s a secret town known to the outside world only by its mailing address, Post Office Box 1663, Santa Fe, New Mexico. The scene is a small building in an isolated canyon, far enough from other buildings to contain the radiation. On the tables are "criticality experiments," their purpose to determine how much plutonium 239 can be packed into a bomb for maximum yield without making the bomb unsafe to handle.

 

Electronic instruments, hardware, furniture, tools and materials used by the Los Alamos Scientific Laboratory during the 1940's and 1950's were acquired by the artist during a six year period from a variety of sources including Lab employees (some of whom had originally made or designed them) These employees had bought these objects many years later as surplus materials at public sales carried out by the Laboratory. Any materials the artist was unable to collect in Los Alamos he machined and fabricated himself.

 

Plutonium and highly enriched uranium are very unstable metals. If the scientists placed too much of either material in one place it would spontaneously fission or "go critical" causing a tremendous burst of radioactivity that would kill everyone in the immediate area. Conversely if too little material was used to make a bomb it would not detonate at all. This is not to say that sub-critical masses were non-hazardous, in fact they were extremely dangerous. At any given time several of the experimenters tables held a highly radioactive sub-critical mass and a hemispherical reflector (the tables were kept far enough away from each other to reduce the chance of a fission event). The sub-critical masses on the tables were so close to criticality that the reflective properties of the human hand could cause a dramatic rise in radioactivity and the scientists frequently played tunes on the ever present sound of the Geiger counters.

 

In the late 1940's the scientists at the Lab referred to these experiments as "tickling the tail of the dragon" and the table top work was done with very little personal radioactivity shielding. After 1950 these criticality experiments were done using robotic arms controlled from shielded rooms.

 

The "Physics Package" as it was called of the "Fat Man" bomb (the one dropped on Nagasaki Japan and tested earlier in Southern New Mexico) is depicted on two metal tables in this installation.

 

Evocative of both the brilliance of the collective human mind and the potentially devastating power of knowledge, this installation is about the allure of pure science and the ethical dilemmas scientific researchers have faced for decades.

I joined the Boy Scouts in 1957,

but we didn't get to hunt for uranium

 

Drawn by Craig Flessel

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

Making some radiation tests with my Geiger counter before entering Chernobyl and Prypiat exclusion zone

Publication: 1954?

 

Language(s): English

 

Format: Still image

 

Subject(s): Food Inspection,

Tuna, Radioactive Fallout,

Radiometry

 

Genre(s); Pictorial Works

 

Exhibition: Exhibited: "Images from the History of the Public Health Service," organized by Ronald J. Kostraba, Parklawn Conference Center, 1989.

 

Extent: 1 photographic print : 26 x 21 cm.

 

Technique: black and white

 

NLM Unique ID: 101447569

 

NLM Image ID: A018720

 

Permanent Link:

resource.nlm.nih.gov/101447569

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

Student dynamic art installation, University of Toronto back campus, Nuit Blanche 2007 all-night arts festival

 

_DSC0102 Anx2 Q90

Secret nuclear bunker, Kelvedon Hatch

Pripyat is an abandoned city in the zone of alienation in northern Ukraine, Kiev Oblast, near the border with Belarus.

 

The city was founded in 1970 to house the Chernobyl Nuclear Power Plant workers, and was abandoned in 1986 following the Chernobyl disaster. Its population had been around 50,000 prior to the accident.

 

After the disaster of reactor no. 4, the city of Prypiat was evacuated in two days.

 

Only after radiation levels set off alarms at the Forsmark Nuclear Power Plant in Sweden did the Soviet Union admit that an accident had occurred, but authorities attempted to conceal the scale of the disaster. To evacuate the city of Pripyat, the following warning message was reported on local radio: "An accident has occurred at the Chernobyl Nuclear Power Plant. One of the atomic reactors has been damaged. Aid will be given to those affected and a committee of government inquiry has been set up." This message gave the false impression that any damage and radiation was localized.

 

The government committee formed to investigate the accident, led by Valeri Legasov, arrived at Chernobyl in the evening of 26 April. By that time two people were dead and 52 were in hospital. During the night of 26 April / 27 April—more than 24 hours after the explosion—the committee, faced with ample evidence of extremely high levels of radiation and a number of cases of radiation exposure, had to acknowledge the destruction of the reactor and order the evacuation of the nearby city of Pripyat.

 

The evacuation began at 14:00, 27 April. To reduce baggage, the residents were told the evacuation would be temporary, lasting approximately three days. As a result, Pripyat still contains personal belongings. An exclusion zone of 30 km/19 mi remains in place today.

 

Source: en.wikipedia.org/wiki/Chernobyl_disaster

According to KGB documents that were declassified in April 2021, "serious incidents" occurred in the third and fourth reactors in 1984, two years before reactor #4 exploded....

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