The
Ọ bụ ihe ochie hụrụ na mgbochi nuklia mkpọsa na ihe kasị njọ nwere ike ime bụ na-egosi na ezi. Ọ dịghị ihe ọzọ ma enweghị olileanya na ịmara nke ahụ
Otú ọ dị,
N'April 4, ụlọ ọrụ ọkụ eletrik Tokyo (Tepco) malitere ịwụfu tọn 11,500 nke mmiri na-eme ka mmiri jụrụ oyi - n'ime ngụkọta nke ma ọ dịkarịa ala tọn 60,000 chọrọ "mkpofu" - kpọmkwem n'ime oké osimiri. Ma kpachaara anya mmetọ nke Pacific, bụ́ nke mmiri ya na-aga kpọmkwem n'ebe a na-akụ azụ̀ nke Alaska, bịara ka izu atọ nke mmịpụta nke mmiri redio a na-achịkwaghị achịkwa site na ọnụ ọgụgụ a na-amaghị ama nke ọkpọkọ gbajiri agbaji na tankị gbawara agbawa, yana ụgbọ mmiri atọ nwere ike gbawara agbawa na ọdọ mmiri na-ekpofu mmanụ. .
Ọ dịkarịa ala nnukwu mgbawa atọ nke tritium gas, ụdị redioaktivu nke ihe a na-akpọ n'ụwa niile na mgbasa ozi naanị dị ka "hydrogen," bụ nnukwu mwepụta nke uzuoku redioaktivu na mmiri sitere na akụrụngwa reactor sochiri. Forbes kọrọ na Eprel 11 na ahụrụ cesium sitere na Fukushima na mmiri ara ehi na Vermont na iodine-131—n'akụkụ ọkwa kachasị elu nke EPA tụrụ aro—nọ na mmiri ọñụñụ n'ọtụtụ obodo US. Ndị EPA chọtara cesium na tellurium na
Ọbụlagodi tupu a kwatuo oke mmiri mkpofu emetọghị, ihe nlele mmiri osimiri emere na Eprel 2 hụrụ cesium-137 n'ogo 1.1 nde karịa oke iwu. Iodine-131 mkpokọta bụ 5 nde ugboro ókè. N'April 5, mmetọ ayodiin bilitere ruo nde 7.5 karịa ọkwa ekwenyere. Cesium dị ize ndụ karịsịa n'ihi na ọ na-adịgide na gburugburu ebe obibi ruo afọ 300, na-ebuga ngwa ngwa n'agbụ nri, na-etinye uche na anụ ahụ na imeju.
N'April 11, a kpọpụtara ọdachi ahụ dị ka ọkwa 7 n'ogo ntọhapụ radieshon nke International Atomic Energy Agency - nke kachasị njọ. Otú ọ dị, nhọpụta ahụ bụ ihe ochie ochie n'ihi na e guzobere ya mgbe e mesịrị
The Institute for Energy & Environmental Research mere atụmatụ na n'ime ọtụtụ ụbọchị mbụ ihe dị ka nde 2.4 nke ayodiin-131 na ọkara nde curies nke cesium isotopes ka a tọhapụrụ site na mkpọmkpọ ebe. N'April 12, ndị ọrụ Japan kwuru na ewepụtala nde curies 10, mana na June 7 ọ mụbara atụmatụ a okpukpu abụọ ruo nde curies 20 n'izu mbụ ka Machị 11 gachara.
Malite n'April, ụfọdụ otu akụkọ kwụsịrị izo aka na ọkwa radieshon "adịghị emerụ ahụ," "ihe na-adịghị mkpa," ma ọ bụ "adịghị mma" wee malite ikwu na cesium enweghị ihe egwu "ozugbo". A jụrụ Nicholas Fisher, bụ́ ọkà mmụta sayensị mmiri na Mahadum State nke New York, banyere iri azụ̀ ndị e merụrụ cesium, sị: “Ị gaghị anwụ n’ihi iri ya ozugbo, ma anyị na-eru n’ọkwa ebe m ga-eche ugboro abụọ banyere ya. na-eri ya.” Nke a bụ ntụaka maka oge nnabata ma ọ bụ "latency" maka ọrịa kansa, nke nwere ike ịpụta afọ 20 ruo 40 mgbe mmetọ gasịrị.
Dr. Ira Helfand nke Physicians for Social Responsibility na-akọwa, sị, "Ndị nta akụkọ na-akọ na 100 millisieverts (mSv) bụ nke kasị ala dose na-amụba ọrịa cancer. Mana, dị ka NAS si kwuo, ọ bụrụ na ekpughere gị na dose 100 mSv, ị nwere otu n'ime 100 ohere nke ịrịa ọrịa kansa, mana dose 10 mSv ka na-enye gị otu n'ime 1,000 ohere nke ịrịa kansa, yana dose nke 1 mSv na-enye gị otu n'ime ihe ize ndụ 10,000. Nsogbu ndị ahụ dị obere maka otu onye, mana ọ bụrụ na ikpughe mmadụ 10,000 n'otu n'ime ihe egwu 10,000, otu n'ime ha ga-ebute ọrịa kansa. Ọ bụrụ na ikpughe nde mmadụ 10 na ọgwụ ahụ, 1,000 ga-ebute ọrịa kansa. Cesium-137 na-aga n'ihu "na-ebupụta ahụ ruo ọtụtụ narị afọ" na Times kwetara March 22, narị afọ atọ na-kpọmkwem. Ka ọ na-agafe n'agbụ nri cesium na-etinye uche na akwara na imeju.
A Forbes akụkọ aghọtahieghị ọnọdụ EPA na ihe egwu radieshon. Na-achọpụta na a
N'April 14, ndị ọrụ ahụike Japan kpughere na ahụrụ cesium okpukpu 25 nke oke iwu, yana iodine redioaktivu, n'ime obere aja aja - azụ a na-ewu ewu. "Otu ihe nlele nke obere azụ ahụ, onye kwụsịrị ire ya, nwere ọkwa cesium nke becquerel 12,500 kwa kilogram, karịa oke becquerel/kilo 500," Okwu Kyodo kọrọ.
Ndị ọrụ nke
N'ịkwalite ebubo ọhụrụ nke njikwa ozi gọọmentị, NRC kwupụtara na Mee 16 na ebe ọrụ ya na-arụ ọrụ awa 24 kwụsịrị ileba anya na ndị nrụpụta na
Mana nchịkwa Obama, EPA, National Oceanic & Atmospheric Administration, na FDA ga-emebi nleba anya radieshon mberede ha. Kevin Kamps, bụ́ ọkachamara n’ihe mkpofu redioaktivu nọ n’òtù Beyond Nuclear, na-adọ aka ná ntị, sị: “Ugbu a, otu ugboro kwa ọnwa atọ, gọọmenti ga-eleba anya n’ebe mmiri ara ehi na-enye iji kọọ banyere mmetọ, otu ugboro kwa ọnwa ọ ga-eleba anya na mmiri ozuzo. Gọọmenti achọghị ịma ihe dị n’ikuku, mmiri, na nri, ha achọghịkwa ka anyị mara.”
Z
John LaForge nọ na ndị ọrụ nke Nukewatch, otu ndị na-ahụ maka nuklia na