{"id":6707,"date":"2020-12-28T16:32:02","date_gmt":"2020-12-28T09:32:02","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=6707"},"modified":"2020-12-28T16:32:02","modified_gmt":"2020-12-28T09:32:02","slug":"danh-gia-phong-xa-moi-truong-trong-dat-be-mat-tai-thanh-pho-ho-chi-minh","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/danh-gia-phong-xa-moi-truong-trong-dat-be-mat-tai-thanh-pho-ho-chi-minh\/","title":{"rendered":"\u0110\u00e1nh gi\u00e1 Ph\u00f3ng x\u1ea1 m\u00f4i tr\u01b0\u1eddng trong \u0111\u1ea5t b\u1ec1 m\u1eb7t t\u1ea1i Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh"},"content":{"rendered":"<p style=\"text-align: justify;\">Ph\u00f3ng x\u1ea1 t\u1ef1 nhi\u00ean c\u00f3 trong \u0111\u1ea5t \u0111\u00e1, trong n\u01b0\u1edbc, \u0111\u1ea1i d\u01b0\u01a1ng v\u00e0 trong v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u00e0 \u1edf; kh\u00f4ng c\u00f3 m\u1ed9t n\u01a1i n\u00e0o tr\u00ean tr\u00e1i \u0111\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 ph\u00f3ng x\u1ea1. C\u00e1c ch\u1ea5t ph\u00f3ng x\u1ea1 t\u1ef1 nhi\u00ean trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m. V\u00ec v\u1eady, vi\u1ec7c nghi\u00ean c\u1ee9u n\u1ed3ng \u0111\u1ed9 ph\u00f3ng x\u1ea1 t\u1ef1 nhi\u00ean trong \u0111\u1ea5t l\u00e0 m\u1ed9t y\u00eau c\u1ea7u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ef1 nguy hi\u1ec3m c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi nh\u1eb1m d\u1ef1 b\u00e1o v\u1ec1 c\u00e1c nguy c\u01a1 \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe v\u00e0 l\u00e0 c\u01a1 s\u1edf cho nh\u1eefng thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai c\u1ee7a ph\u00f3ng x\u1ea1 m\u00f4i tr\u01b0\u1eddng do c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi g\u00e2y ra.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 g\u00f3p ph\u1ea7n gi\u1ea3i quy\u1ebft v\u00e0o m\u1ee5c \u0111\u00edch n\u00eau tr\u00ean, nghi\u00ean c\u1ee9u v\u00e0 \u0111\u00e1nh gi\u00e1 ph\u00f3ng x\u1ea1 m\u00f4i tr\u01b0\u1eddng trong \u0111\u1ea5t b\u1ec1 m\u1eb7t \u1edf Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u01b0\u1edbc \u0111\u1ea7u b\u1edfi Trung t\u00e2m Nghi\u00ean c\u1ee9u M\u00f4i tr\u01b0\u1eddng &#8211; Vi\u1ec7n Nghi\u00ean c\u1ee9u h\u1ea1t nh\u00e2n \u0110\u00e0 L\u1ea1t, nh\u1eb1m thi\u1ebft l\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1ec1 n\u1ed3ng \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1 t\u1ef1 nhi\u00ean v\u00e0 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng c\u00f3 th\u1ec3 v\u1ec1 c\u00e1c nguy c\u01a1 ph\u00f3ng x\u1ea1 li\u00ean quan \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi sinh s\u1ed1ng trong th\u00e0nh ph\u1ed1.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Trong khu\u00f4n kh\u1ed5 \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u c\u1ea5p th\u00e0nh ph\u1ed1, 120 m\u1eabu \u0111\u1ea5t b\u1ec1 m\u1eb7t c\u1ee7a 24 qu\u1eadn, huy\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c thu th\u1eadp \u0111\u1ed3ng \u0111\u1ec1u t\u1ea1i c\u00e1c v\u1ecb tr\u00ed kh\u00e1c nhau c\u1ee7a th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh (H\u00ecnh 1) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ee9c h\u00e0m l\u01b0\u1ee3ng c\u1ee7a c\u00e1c h\u1ea1t nh\u00e2n ph\u00f3ng x\u1ea1 nguy\u00ean th\u1ee7y (<sup>226<\/sup>Ra, <sup>232<\/sup>Th v\u00e0 <sup>40<\/sup>K), c\u00e1c nguy c\u01a1 ph\u00f3ng x\u1ea1 li\u00ean quan c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1, bao g\u1ed3m: ho\u1ea1t \u0111\u1ed9 Radi t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (Ra<em><sub>eq<\/sub><\/em>), su\u1ea5t li\u1ec1u h\u1ea5p th\u1ee5 gamma (D<em><sub>out<\/sub><\/em> v\u00e0 D<em><sub>in<\/sub><\/em>), li\u1ec1u hi\u1ec7u d\u1ee5ng h\u00e0ng n\u0103m (AEDE<em><sub>out<\/sub><\/em>, AEDE<em><sub>in<\/sub><\/em> ), c\u00e1c ch\u1ec9 s\u1ed1 nguy hi\u1ec3m chi\u1ebfu ngo\u00e0i v\u00e0 chi\u1ebfu trong (H<em><sub>ex<\/sub><\/em> v\u00e0 H<em><sub>in<\/sub><\/em>), c\u00e1c ch\u1ec9 s\u1ed1 Alpha v\u00e0 Gamma \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c \u1ea3nh h\u01b0\u1edfng c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi (I<em><sub>a<\/sub><\/em> v\u00e0 I<em><sub>g<\/sub><\/em>).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6708\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2020\/12\/28.12.20.6.jpg\" alt=\"\" width=\"688\" height=\"479\" \/><em>B\u1ea3n \u0111\u1ed3 th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh v\u00e0 c\u00e1c v\u1ecb tr\u00ed l\u1ea5y m\u1eabu<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Ho\u1ea1t \u0111\u1ed9<sup> 226<\/sup>Ra,<sup> 232<\/sup>Th v\u00e0 <sup>40<\/sup>K trong \u0111\u1ea5t b\u1ec1 m\u1eb7t t\u1ea1i 120 v\u1ecb tr\u00ed bi\u1ebfn thi\u00ean trong kho\u1ea3ng 9,6-48,5; 14,8-59,6; v\u00e0 10-637 Bq\/kg v\u1edbi gi\u00e1 tr\u1ecb trung b\u00ecnh l\u1ea7n l\u01b0\u1ee3t l\u00e0 21,1; 36,6; 279,0 Bq\/kg (H\u00ecnh 2). C\u00e1c gi\u00e1 tr\u1ecb thu \u0111\u01b0\u1ee3c x\u1ea5p x\u1ec9 v\u1edbi m\u1ed9t s\u1ed1 v\u00f9ng l\u00e2n c\u1eadn trong khu v\u1ef1c nh\u01b0: khu v\u1ef1c ph\u00eda Nam-Vi\u1ec7t Nam, khu v\u1ef1c ph\u00eda Nam-Th\u00e1i Lan v\u00e0 Savannakhet-L\u00e0o v\u00e0 th\u1ea5p h\u01a1n gi\u00e1 tr\u1ecb trung b\u00ecnh tr\u00ean th\u1ebf gi\u1edbi 30%. S\u1ef1 \u0111\u00f3ng g\u00f3p t\u1eeb ho\u1ea1t \u0111\u1ed9 c\u1ee7a<sup> 226<\/sup>Ra,<sup> 232<\/sup>Th v\u00e0 <sup>40<\/sup>K v\u00e0o ho\u1ea1t \u0111\u1ed9 Radi t\u01b0\u01a1ng \u0111\u01b0\u01a1ng Ra<em><sub>eq<\/sub><\/em> l\u1ea7n l\u01b0\u1ee3t l\u00e0 22,2; 55,1 v\u00e0 22,6 %. Gi\u00e1 tr\u1ecb cao nh\u1ea5t c\u1ee7a Ra<em><sub>eq <\/sub><\/em>thu \u0111\u01b0\u1ee3c t\u1ea1i huy\u1ec7n C\u1ea7n Gi\u1edd l\u00e0 142 Bq\/kg, gi\u00e1 tr\u1ecb n\u00e0y th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi gi\u1edbi h\u1ea1n an to\u00e0n.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Su\u1ea5t li\u1ec1u h\u1ea5p th\u1ee5 gamma D<em><sub>out<\/sub><\/em> v\u00e0 D<em><sub>in <\/sub><\/em>bi\u1ebfn thi\u00ean trong kho\u1ea3ng 22,6-67,8 v\u00e0 43-130 nGy\/h. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 Ra<em><sub>eq<\/sub><\/em>, su\u1ea5t li\u1ec1u h\u1ea5p th\u1ee5 D<em><sub>out<\/sub><\/em> v\u00e0 D<em><sub>in <\/sub><\/em>thu \u0111\u01b0\u1ee3c t\u1ea1i huy\u1ec7n C\u1ea7n Gi\u1edd l\u1ea7n l\u01b0\u1ee3t l\u00e0 67,8 v\u00e0 82,5 nGy\/h.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">C\u00e1c gi\u00e1 tr\u1ecb v\u1ec1 li\u1ec1u hi\u1ec7u d\u1ee5ng h\u00e0ng n\u0103m (AEDE<em><sub>out<\/sub><\/em>, AEDE<em><sub>in<\/sub><\/em> ), c\u00e1c ch\u1ec9 s\u1ed1 nguy hi\u1ec3m chi\u1ebfu ngo\u00e0i, chi\u1ebfu trong (H<em><sub>ex<\/sub><\/em> v\u00e0 H<em><sub>in<\/sub><\/em>) v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 Alpha v\u00e0 Gamma (I<em><sub>a<\/sub><\/em> v\u00e0 I<em><sub>g<\/sub><\/em>) \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n th\u00f4ng qua ho\u1ea1t \u0111\u1ed9 c\u1ee7a c\u00e1c \u0111\u1ed3ng v\u1ecb <sup>\u00a0226<\/sup>Ra,<sup> 232<\/sup>Th v\u00e0 <sup>40<\/sup>K trong \u0111\u1ea5t b\u1ec1 m\u1eb7t t\u1ea1i th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh \u0111\u1ec1u th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi gi\u1edbi h\u1ea1n an to\u00e0n.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">T\u1eeb c\u00e1c k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00e1c ch\u1ec9 s\u1ed1 nguy hi\u1ec3m b\u1ee9c x\u1ea1 t\u1eeb \u0111\u1ea5t t\u1ea1i Tp. \u00a0H\u1ed3 Ch\u00ed Minh \u0111\u1ec1u th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi gi\u1edbi h\u1ea1n an to\u00e0n theo quy \u0111\u1ecbnh c\u1ee7a \u1ee6y ban khoa h\u1ecdc c\u1ee7a Li\u00ean h\u1ee3p qu\u1ed1c v\u1ec1 hi\u1ec7u \u1ee9ng c\u1ee7a b\u1ee9c x\u1ea1 nguy\u00ean t\u1eed (UNCEAR 2008) v\u00e0 \u1ee7y ban ch\u00e2u \u00c2u v\u1ec1 b\u1ea3o v\u1ec7 b\u1ee9c x\u1ea1 EC(RP-112). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a r\u1eb1ng kh\u00f4ng c\u00f3 b\u1ea5t k\u00ec s\u1ef1 \u1ea3nh h\u01b0\u1edfng n\u00e0o c\u1ee7a b\u1ee9c x\u1ea1 \u0111\u1ea5t b\u1ec1 m\u1eb7t \u0111\u1ebfn con ng\u01b0\u1eddi t\u1ea1i Tp. H\u1ed3 Ch\u00ed Minh.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6709\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2020\/12\/28.12.20.7.jpg\" alt=\"\" width=\"698\" height=\"333\" \/><em>Ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1 (Bq.kg<sup>-1<\/sup>) c\u1ee7a c\u00e1c \u0111\u1ed3ng v\u1ecb <sup>226<\/sup>Ra, <sup>232<\/sup>Th v\u00e0 <sup>40<\/sup>K trong \u0111\u1ea5t t\u1ea1i Tp. HCM<\/em><\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>\u00a0<\/strong><\/p>\n<p style=\"text-align: right;\"><strong>Tr\u1ea7n \u0110\u00ecnh Khoa, Vi\u1ec7n Nghi\u00ean c\u1ee9u h\u1ea1t nh\u00e2n<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00f3ng x\u1ea1 t\u1ef1 nhi\u00ean c\u00f3 trong \u0111\u1ea5t \u0111\u00e1, trong n\u01b0\u1edbc, \u0111\u1ea1i d\u01b0\u01a1ng v\u00e0 trong v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u00e0 \u1edf; kh\u00f4ng c\u00f3 m\u1ed9t n\u01a1i n\u00e0o tr\u00ean tr\u00e1i \u0111\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 ph\u00f3ng x\u1ea1. C\u00e1c ch\u1ea5t ph\u00f3ng x\u1ea1 t\u1ef1 nhi\u00ean trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m. V\u00ec v\u1eady, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-6707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-hoat-dong-cua-vien"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/6707","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=6707"}],"version-history":[{"count":0,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/6707\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=6707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=6707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=6707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}