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Saturday 10 December 2016

Chernobyl residue found in Belarusian milk

Published 25/04/2016 | 15:06

Farmer Nikolai Chubenok stands near cows in the village of Gubarevichi, on land just 45 kilometres north of the Chernobyl nuclear power plant (AP)
Farmer Nikolai Chubenok stands near cows in the village of Gubarevichi, on land just 45 kilometres north of the Chernobyl nuclear power plant (AP)

Belarusian milk has been found to contain a radioactive isotope at levels 10 times above the nation's food safety limits.

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The samples came from farmer Nikolau Chubenok's cows close to the country's Chernobyl exclusion zone, just down the road from signs warning "Stop! Radiation".

The finding on the eve of the 30th anniversary of the world's worst nuclear accident indicates how fallout from the April 26 1986 explosion at the plant in neighbouring Ukraine continues to affect life in Belarus.

However, many people living along the edge of the Polesie Radioecological Reserve, a 2,200-square-kilometre (850-square-mile) ghost landscape of 470 evacuated villages and towns, show little regard for the potentially cancer-causing isotopes still to be found in the soil.

Farmers suggest the lack of mutations and other glaring health problems mean Chernobyl's troubles can be consigned to history.

"There is no danger. How can you be afraid of radiation?" said Mr Chubenok, who since 2014 has produced milk from his farm just 45 kilometres (28 miles) north of the Chernobyl site.

Mr Chubenok said he hopes to double his herd size and start producing farmhouse cheese on site.

His milk is part of dairy factory Milkavita's supply chain for making Polesskiye brand cheese, about 90% of which is sold in Russia, the rest domestically.

Milkavita called the findings of the Associated Press-commissioned lab finding "impossible".

Factory officials insisted their own tests show their milk supply contains traces of radioactive isotopes well below safety limits.

Since rising to power in 1994, Belarusian president Alexander Lukashenko, the former director of a state-owned farm, has stopped resettlement programmes for people living near the mandatory exclusion zone.

Instead, he has developed a long-term plan to raze empty villages and reclaim the land for crops and livestock.

The Chernobyl explosion meant 138,000 Belarusians closest to the plant had to be resettled, while 200,000 others living nearby left voluntarily.

Dr Yuri Bandazhevsky, one of the most prominent medical critics of the government's approach to safeguarding the public from Chernobyl fallout, was removed as director of a Belarusian research institute and imprisoned in 2001 on corruption charges that international rights groups branded politically motivated.

Since his 2005 parole he has resumed his research into Chernobyl-related cancers with EU sponsorship.

Dr Bandazhevsky, now based in Ukraine, said he has no doubt that Belarus is failing to protect citizens from carcinogens in the food supply.

"We have a disaster," he told the AP in the Ukrainian capital Kiev.

"In Belarus, there is no protection of the population from radiation exposure. On the contrary, the government is trying to persuade people not to pay attention to radiation, and food is grown in contaminated areas and sent to all points in the country."

The state-run Minsk Centre of Hygiene and Epidemiology said it found strontium-90, a radioactive isotope linked to cancers and cardiovascular disease, in the milk sample in quantities 10 times higher than Belarusian food safety regulations allow.

The test, like others in resource-strapped Belarus, was insufficiently sophisticated to test for heavier radioactive isotopes associated with nuclear fallout, including americium and variants of plutonium.

The Belarusian Agriculture Ministry says levels of strontium-90 should not exceed 3.7 becquerels per kilogram in food and drink.

Becquerels are a globally recognised unit of measurement for radioactivity.

The Minsk lab informed the AP that the milk sample contained 37.5 becquerels. That radioactive isotope is, along with cesium-137, commonly produced during nuclear fission and generates most of the heat and penetrating radiation from nuclear waste.

When consumed, scientists say strontium-90 mimics the behaviour of calcium in the human body, settling in bones.

Milkavita chief engineer Maia Fedonchuk rejected the findings.

"It's impossible. We do our own testing. There must have been a mix-up," she said, adding they test samples from every batch of milk they receive from Mr Chubenok and do an "in-depth" analysis every six months.

She said the plant's own lab analysis indicates its overall milk supply contains an average of 2.85 becquerels per kilogram.

Health officials say the danger level posed by low levels of radioactive isotopes depends greatly on length of exposure and individual physiology.

Notably, the regional free-trade bloc that includes Belarus and Russia permits higher levels of strontium-90 in goods of up to 25 becquerels per kilogram, still lower than that detected in the test.

The deputy director of Belarus' Institute of Radiobiology, Natalya Timokhina, said Belarus permits food producers to conduct their own food safety monitoring and lacks the lab equipment necessary to identify the presence of americium, which is estimated to be present in about 2% of Belarus' top soil and is expected to remain a health risk for another 270 years.

"One-time ingestion of contaminated food is not very dangerous," Ms Timokhina said. "What's dangerous is the accumulation of radionuclides in the body."

Ausrele Kesminiene, a doctor in the cancer research unit of the World Health Organisation (WHO), said the consumption of radioactive food is linked chiefly to the development of cancer in the thyroid, a gland in the neck that produces body-regulating hormones.

Thyroid cancer is typically not fatal if diagnosed early.

WHO officials say they are dependent on reports from sister agencies in Belarus to alert them to cancer clusters or other signs of unresolved Chernobyl-related dangers.

Gregory Hartl, a WHO spokesman in Geneva, said the agency had no authority to regulate or oversee food safety, even products exported to other countries, because that is a domestic responsibility.

"Radiation effects and the development of cancers and the effects on the region are something which go on over a long, long period. So we haven't seen the end of it," Mr Hartl said.

"Undoubtedly there is going to be some increase in cancers."

Press Association

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