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Published byDarcy Shepherd Modified over 9 years ago
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Food Monitoring for the US How low should we go - FDA limit for US Bye-Bye Becquerels Is there radiation in the food? Ami is 10 and lives in Yanaizu, Fukushima prefecture. Technical Talk We are already contaminated Who’s testing food What they are finding
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The ’s of radioactivity Different types of radiation ( ) are blocked by different substances Radioactivity is measured in Becquerels where 1 Bq = 1 atomic disintegration per second
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Technical Difficulties “It was beautiful to look upon, so that any one who should see it must long for it, but whoever ate even a little bit of it must die.” Strontium 90 emits a beta particle Plutonium 239 emits an alpha particle Cesium 137 emits a gamma ray*
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ATOMIC BOMB blasts worldwide: Contamination Sources 954 quadrillion Bq cesium 137 (that’s 15 zeros)
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ROUTINE RELEASES US ???? Cesium 134 & 137
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CHERNOBYL 85 quadrillion Bq cesium 137
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500 quadrillion Bq noble gas (unspecified, to air) Since April 2012, 10 million Bq cesium-134 & 137 are still released every hour FUKUSHIMA cesium 134 & 137 27.1 quadrillion Bq (air and ocean)
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US: Who’s Testing?
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What they found (so far) 9-11 Bq/kg Cs 134 & & Cs 137 600-2,500 Bq/kg I 131 18 Bq/kg Cs 134 & Cs 137 650 Bq/kg to 2300 Bq/kg Cs 14 Bq/kg Cs 134 & Cs 137 1,038 Bq/kg Cs
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How low should you go?
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Making contaminated food acceptable International Commission on Radiological Protection (ICRP) 111 “placing contaminated food on the market” “ negative reactions from consumers outside the contaminated areas “
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Bye-Bye Becquerels -Silence Deafening: www.silencedeafening.comwww.silencedeafening.com -Beyond Nuclear: www.beyondnuclear.org -FFAN coalition includes mothers who evacuated from Japan to escape radioactive contamination and were horrified to learn the US recommendations are worse -5Bq/kg binding rather than just recommendations -Widespread testing: foodstuffs, etc.
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