{"id":98199,"date":"2021-07-29T09:45:37","date_gmt":"2021-07-29T07:45:37","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/vlep-cobalt-et-composes-valeurs-limites-exposition-professionnelle\/"},"modified":"2025-05-07T09:29:45","modified_gmt":"2025-05-07T07:29:45","slug":"vlep-cobalt-et-composes-valeurs-limites-exposition-professionnelle","status":"publish","type":"post","link":"https:\/\/obera.fr\/cs\/nase-rady\/vlep-cobalt-et-composes-valeurs-limites-exposition-professionnelle\/","title":{"rendered":"Limitn\u00ed hodnoty expozice p\u0159i pr\u00e1ci: kobalt a slou\u010deniny"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Slo\u017een\u00ed kobaltu a kde ho naj\u00edt<\/h2>\n\n<p>Kobalt je <strong>p\u0159echodn\u00fd kov<\/strong> bl\u00edzk\u00fd \u017eelezu. Jeho <strong>miner\u00e1ln\u00ed slou\u010deniny <\/strong>jsou : <\/p>\n\n<ul class=\"wp-block-list\">\n<li>oxid kobaltnat\u00fd ;<\/li>\n\n\n\n<li>sulfid kobaltnat\u00fd ;<\/li>\n\n\n\n<li>dusi\u010dnan kobaltnat\u00fd ;<\/li>\n\n\n\n<li>s\u00edran kobaltnat\u00fd ;<\/li>\n\n\n\n<li>uhli\u010ditan kobaltnat\u00fd ;<\/li>\n\n\n\n<li>dichlorid kobaltnat\u00fd nebo chlorid kobaltnat\u00fd.<\/li>\n<\/ul>\n\n<p>Tyto <strong>kovy a kovov\u00e9 l\u00e1tky<\/strong> se pou\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm v n\u00e1sleduj\u00edc\u00edch odv\u011btv\u00edch:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>leteck\u00fd pr\u016fmysl ;<\/li>\n\n\n\n<li>elektronick\u00fd pr\u016fmysl ;<\/li>\n\n\n\n<li>lodn\u00ed pr\u016fmysl ;<\/li>\n\n\n\n<li>metalurgie ;<\/li>\n\n\n\n<li>skl\u00e1\u0159sk\u00fd a keramick\u00fd pr\u016fmysl ;<\/li>\n\n\n\n<li>pr\u016fmysl barev a lak\u016f atd.<\/li>\n<\/ul>\n\n<p>Kobalt a jeho slou\u010deniny se pou\u017e\u00edvaj\u00ed p\u0159i v\u00fdrob\u011b n\u00e1sleduj\u00edc\u00edch v\u00fdrobk\u016f a materi\u00e1l\u016f:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>slitiny <\/strong><a href=\"https:\/\/obera.fr\/conseils\/vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes\/\" data-type=\"URL\" data-id=\"https:\/\/obera.fr\/conseils\/vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes\/\">(chrom<\/a>, nikl, hlin\u00edk, m\u011b\u010f, wolfram atd.);<\/li>\n\n\n\n<li>diamantov\u00e9 le\u0161tic\u00ed kotou\u010de ;<\/li>\n\n\n\n<li>elektrody pro lithiov\u00e9 baterie ;<\/li>\n\n\n\n<li>pigmenty ;<\/li>\n\n\n\n<li>hnojiva atd.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">VLEP kobalt: 8hodinov\u00e1 limitn\u00ed hodnota pro pracovn\u00ed prost\u0159ed\u00ed a kr\u00e1tkodob\u00e1 VLEP<\/h2>\n\n<p><strong>\u010cl\u00e1nek R. 4412-4 francouzsk\u00e9ho z\u00e1kon\u00edku pr\u00e1ce<\/strong> definuje limitn\u00ed hodnoty expozice na pracovi\u0161ti<a href=\"https:\/\/obera.fr\/cs\/nase-rady\/reglementation-vlep-evaluation-risque-chimique-lieu-de-travail\/\" data-type=\"URL\" data-id=\"https:\/\/obera.fr\/conseils\/reglementation-vlep-evaluation-risque-chimique-lieu-de-travail\/\">(OELV)<\/a> pro chemick\u00e9 \u010dinitele, jako je kobalt a jeho slou\u010deniny.<\/p>\n\n<p>Limitn\u00ed hodnoty expozice kobaltu a jeho slou\u010denin p\u0159i pr\u00e1ci (krom\u011b kobaltu spojen\u00e9ho s karbidem wolframu) :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>VLEP-8 h<\/strong> = 0,0025 mg\/m\u00b3 (0,0025 mg\/m\u00b3)<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/obera.fr\/cs\/nase-rady\/valeur-limite-exposition-professionnelle-ou-vlep\/\" data-type=\"post\" data-id=\"1999\">Kr\u00e1tkodob\u00e1 mezn\u00ed hodnota pro povol\u00e1n\u00ed<\/a> <\/strong>(STELV 15 min) = 0,0125 mg\/m\u00b3 (0,0125 mg\/m\u00b3)<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Hodnocen\u00ed expozice pracovn\u00edk\u016f kobaltu na pracovi\u0161ti<\/h2>\n\n<p>Kobalt a jeho slou\u010deniny jsou <strong><a href=\"https:\/\/obera.fr\/conseils\/substances-cmr-risque-exposition-au-travail-quelle-reglementation-prevention\/\" data-type=\"URL\" data-id=\"https:\/\/obera.fr\/conseils\/substances-cmr-risque-exposition-au-travail-quelle-reglementation-prevention\/\">chemick\u00e9 l\u00e1tky klasifikovan\u00e9 jako CMR<\/a><\/strong> (karcinogenn\u00ed, mutagenn\u00ed nebo toxick\u00e9 pro reprodukci). Jako takov\u00e9 podl\u00e9haj\u00ed <strong>ka\u017edoro\u010dn\u00ed kontrole akreditovan\u00fdm org\u00e1nem COFRAC<\/strong>: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>alespo\u0148 jednou ro\u010dn\u011b;<\/li>\n\n\n\n<li>pokud dojde ke zm\u011bn\u011b, kter\u00e1 by mohla m\u00edt dopad na expozici pracovn\u00edk\u016f.<\/li>\n<\/ul>\n\n<p>VLEP pro kobalt a jeho slou\u010deniny se pou\u017e\u00edv\u00e1 jako <strong>referen\u010dn\u00ed hodnota p\u0159i posuzov\u00e1n\u00ed expozice <\/strong>zam\u011bstnanc\u016f \u0161kodlivin\u00e1m na pracovi\u0161ti. M\u011b\u0159en\u00ed koncentrace zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek v ovzdu\u0161\u00ed na pracovi\u0161t\u00edch umo\u017e\u0148uj\u00ed stanovit. <strong><a href=\"https:\/\/obera.fr\/cs\/nase-rada\/jaka-jsou-rizika-nedodrzeni-vlep\/\" data-type=\"post\" data-id=\"1816\">opat\u0159en\u00ed k prevenci rizik<\/a><\/strong> kter\u00e1 je t\u0159eba zav\u00e9st. <\/p>\n\n<h2 class=\"wp-block-heading\">Klasifikace a ozna\u010dov\u00e1n\u00ed kobaltu podle na\u0159\u00edzen\u00ed CLP<\/h2>\n\n<p>Podle <strong>na\u0159\u00edzen\u00ed CLP<\/strong> jsou <strong>klasifikace a ozna\u010dov\u00e1n\u00ed kobaltu <\/strong>a jeho slou\u010denin (oxid kobaltnat\u00fd, sulfid kobaltnat\u00fd, dichlorid kobaltnat\u00fd, s\u00edran kobaltnat\u00fd, dusi\u010dnan kobaltnat\u00fd a uhli\u010ditan kobaltnat\u00fd) n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>respira\u010dn\u00ed a ko\u017en\u00ed senzibilizace ;<\/li>\n\n\n\n<li>akutn\u00ed inhala\u010dn\u00ed toxicita ;<\/li>\n\n\n\n<li>karcinogenita (rakovina p\u0159i vdechov\u00e1n\u00ed) ;<\/li>\n\n\n\n<li>mutagenita ;<\/li>\n\n\n\n<li>reproduk\u010dn\u00ed toxicita ;<\/li>\n\n\n\n<li>chronick\u00e1 toxicita pro vodn\u00ed prost\u0159ed\u00ed.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">V jak\u00fdch form\u00e1ch se kobalt vyskytuje a jak se s n\u00edm zach\u00e1z\u00ed?<\/h2>\n\n<p>Kobalt se obvykle vyskytuje ve form\u011b prachu nebo je obsa\u017een v \u0159ezn\u00fdch olej\u00edch. Tato zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tka vznik\u00e1 p\u0159i obr\u00e1b\u011bn\u00ed, v\u00fdrob\u011b, tvarov\u00e1n\u00ed nebo p\u0159epracov\u00e1n\u00ed materi\u00e1l\u016f obsahuj\u00edc\u00edch kobalt nebo j\u00edm pota\u017een\u00fdch. <\/p>\n\n<p>Kobalt ve form\u011b <a href=\"https:\/\/obera.fr\/cs\/nase-rady\/vlep-filtration-de-poussiere-reglementation\/\" data-type=\"URL\" data-id=\"https:\/\/obera.fr\/conseils\/vlep-filtration-de-poussiere-reglementation\/\">prachu<\/a> je o\u0161et\u0159en filtry \u010d\u00e1stic t\u0159\u00eddy H a\/nebo HEPA H13 nebo H14.  <\/p>\n\n<p>V\u0161echna na\u0161e <a href=\"https:\/\/obera.fr\/cs\/produits\/depoussiereurs-industriels\/\" data-type=\"page\" data-id=\"31\">\u0159e\u0161en\u00ed pro o\u0161et\u0159en\u00ed VOC najdete na na\u0161ich webov\u00fdch str\u00e1nk\u00e1ch<\/a>.<\/p>\n\n<p>Pokud je kobalt rozpu\u0161t\u011bn v mlze \u0159ezn\u00e9ho oleje, m\u011bly by se pou\u017e\u00edvat filtry olejov\u00e9 mlhy vybaven\u00e9 vysoce \u00fa\u010dinn\u00fdmi HEPA filtry H13 nebo H14.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u010cl\u00e1nek R. 4412-4 francouzsk\u00e9ho z\u00e1kon\u00edku pr\u00e1ce definuje limitn\u00ed hodnoty expozice na pracovi\u0161ti (OELV) pro chemick\u00e9 \u010dinitele, jako je kobalt a jeho slou\u010deniny. Jak\u00e9 jsou hodnoty TLV pro pracovn\u00edky?<\/p>\n","protected":false},"author":4,"featured_media":98070,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Limitn\u00ed hodnoty expozice p\u0159i pr\u00e1ci a kobalt","_seopress_titles_desc":"Zjist\u011bte v\u00edce informac\u00ed o limitn\u00edch hodnot\u00e1ch expozice kobaltu a jeho slou\u010denin na pracovi\u0161ti. Spole\u010dnost Obera navrhuje za\u0159\u00edzen\u00ed, kter\u00e1 jsou schopna tyto OEL splnit. ","_seopress_robots_index":"","footnotes":""},"categories":[310],"tags":[113],"class_list":["post-98199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nase-rady","tag-entete-male","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/98199","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/comments?post=98199"}],"version-history":[{"count":1,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/98199\/revisions"}],"predecessor-version":[{"id":98200,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/98199\/revisions\/98200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/media\/98070"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/media?parent=98199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/categories?post=98199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/tags?post=98199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}