{"id":98323,"date":"2021-07-29T09:25:37","date_gmt":"2021-07-29T07:25:37","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes\/"},"modified":"2025-05-07T09:33:03","modified_gmt":"2025-05-07T07:33:03","slug":"vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes","status":"publish","type":"post","link":"https:\/\/obera.fr\/lt\/musu-patarimas\/vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes\/","title":{"rendered":"Ribojamasis VLEP ir \u0161e\u0161iavalentis chromas"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"le-chrome-hexavalent-c-est-quoi\">Kas yra \u0161e\u0161iavalentis chromas?<\/h2>\n\n<p><strong>\u0160e\u0161iavalentis chromas arba chromas VI <\/strong>yra \u0161e\u0161toji chromo oksidacijos b\u016bsena. \u0160e\u0161iavalentis chromas taip pat \u017einomas sinonimais : <\/p>\n\n<ul class=\"wp-block-list\">\n<li>chromo trioksidas ;<\/li>\n\n\n\n<li>chromo anhidridas ;<\/li>\n\n\n\n<li>chromo VI oksidas ;<\/li>\n\n\n\n<li>chromo anhidridas ;<\/li>\n\n\n\n<li>chromo trioksidas.<\/li>\n<\/ul>\n\n<p><strong>Pagrindin\u0117s med\u017eiagos, kuri\u0173 sud\u0117tyje yra \u0161e\u0161iavalen\u010dio chromo<\/strong> arba chromo VI, yra \u0161ios:<\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"150\" height=\"50\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/06\/K2Cr2O7.jpg\" alt=\"k2cr2o7\" class=\"wp-image-13364\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Kalio dichromatas<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"150\" height=\"50\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/06\/K2Cr2O7-1.jpg\" alt=\"NaHCO3\" class=\"wp-image-13368\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Natrio ir kalio dichromatai<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"150\" height=\"50\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/06\/K2Cr2O7-2.jpg\" alt=\"SrCrO4\" class=\"wp-image-13371\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Stroncio chromatas<\/p>\n<\/div>\n<\/div>\n\n<p><strong>\u0160e\u0161iavalentis chromas ir jo junginiai<\/strong> daugiausia naudojami \u0161iose pramon\u0117s \u0161akose:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>plieno pramon\u0117je (chromas ner\u016bdijan\u010diam ir specialiajam plienui bei lydiniams gaminti) ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Siderurgie.jpg\" alt=\"siderurgija\" class=\"wp-image-13766\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Siderurgie.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Siderurgie-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>chemijos pramon\u0117 (chromo jungini\u0173 gamyba) ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Produit-chimique.jpg\" alt=\"Chemijos pramon&#x117;\" class=\"wp-image-13772\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Produit-chimique.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Produit-chimique-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>Pavir\u0161iaus apdorojimas (elektrolitinis chromavimas, kietasis chromavimas, dekoratyvinis chromavimas) ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Traitement-des-surfaces.jpg\" alt=\"pavir&#x161;i&#x173; apdorojimas\" class=\"wp-image-13775\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Traitement-des-surfaces.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Traitement-des-surfaces-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>medienos pramon\u0117 (i\u0161saugojimas) ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Travail-du-bois.jpg\" alt=\"med&#x17E;io apdirbimas\" class=\"wp-image-13769\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Travail-du-bois.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Travail-du-bois-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>pigment\u0173 ir da\u017eikli\u0173 gamyba ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Fabrication-de-pigment.jpg\" alt=\"pigment&#x173; ir da&#x17E;ikli&#x173; gamyba\" class=\"wp-image-13778\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Fabrication-de-pigment.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Fabrication-de-pigment-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>odos rauginimas ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Tannage-du-cuir.jpg\" alt=\"odos rauginimas\" class=\"wp-image-13782\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Tannage-du-cuir.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/Tannage-du-cuir-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>Aviacijos ir kosmoso pramon\u0117 (korozijai atspar\u016bs da\u017eai, \u0161lifavimas, \u0161lifavimas ir t. t.) ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2021\/07\/Aeronautique.jpg\" alt=\"aeronautika\" class=\"wp-image-13786\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2021\/07\/Aeronautique.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2021\/07\/Aeronautique-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<ul class=\"wp-block-list\">\n<li>Orlaivi\u0173 technin\u0117 prie\u017ei\u016bra (da\u017eymas) ;<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/aeronautique-peinture.jpg\" alt=\"aviacin&#x117; tapyba\" class=\"wp-image-13789\" width=\"300\" height=\"113\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/aeronautique-peinture.jpg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2022\/07\/aeronautique-peinture-300x113.jpg 300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\" id=\"vlep-chrome-hexavalent-valeur-limite-professionnelle-sur-8h-et-court-terme\">VLEP \u0161e\u0161iavalentis chromas: trumpalaik\u0117 ir 8 valand\u0173 profesin\u0117 ribin\u0117 vert\u0117<\/h2>\n\n<p>\u0160e\u0161iavalentis chromas ir jo junginiai yra <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\/\">chemin\u0117s med\u017eiagos, klasifikuojamos kaip CMR<\/a><\/strong> (kancerogenin\u0117s, mutagenin\u0117s arba toksi\u0161kos reprodukcijai): C1A, M1B, R2.<\/p>\n\n<p>2020 m. gruod\u017eio 9 d. dekrete 2020-1546 nustatytos privalomos \u0161e\u0161iavalen\u010dio chromo ir jo jungini\u0173 profesinio poveikio ribin\u0117s vert\u0117s<a href=\"https:\/\/obera.fr\/lt\/musu-patarimas\/kas-yra-profesinio-poveikio-ribine-verte-arba-oel\/\" data-type=\"post\" data-id=\"1999\">(OELV<\/a>).<\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>8 valand\u0173 profesin\u0117 ribin\u0117 vert\u0117<\/strong> (VLEP-8h) = 0,001 mg\/m\u00b3 <strong>Trumpalaik\u0117 profesin\u0117 ribin\u0117 vert\u0117<\/strong> (VLCT) = 0,005 mg\/m\u00b3<\/p>\n<\/blockquote>\n\n<p><strong>\u012epareigojan\u010dios <\/strong>ir <strong>orientacin\u0117s<\/strong> <strong>TLV vert\u0117s <\/strong>yra pamatin\u0117 vert\u0117 <strong>vertinant ter\u0161al\u0173 poveik\u012f darbuotojams darbo vietoje<\/strong>. Matuojant ter\u0161al\u0173 koncentracijos lyg\u012f darbo vietos ore, nustatomos rizikos prevencijos priemon\u0117s, kurias reikia \u012fgyvendinti. <\/p>\n\n<p>Taip pat verta perskaityti: Kokia rizika kyla <a href=\"https:\/\/obera.fr\/lt\/musu-patarimas\/kokia-yra-vlep-nesilaikymo-rizika\/\" data-type=\"post\" data-id=\"1816\">nesilaikant VLEP<\/a>?<\/p>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Chemini\u0173 med\u017eiag\u0173 koncentracija darbo viet\u0173 atmosferoje i\u0161rei\u0161kiama :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mg\/m\u00b3 skystiems ir kietiems aerozoliams ;<\/li>\n\n\n\n<li>ppm (milijonin\u0117s dalys) arba ml\/m\u00b3 dujoms ir (arba) garams ;<\/li>\n\n\n\n<li>pluo\u0161t\u0173\/cm\u00b3.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Profesinio poveikio ribin\u0117 vert\u0117 matuojama :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>8 valand\u0173 VLEP ataskaitinis laikotarpis;<\/li>\n\n\n\n<li>maksimali trumpalaiki\u0173 TLV trukm\u0117 &#8211; 15 minu\u010di\u0173.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\" id=\"sous-quelles-formes-retrouve-t-on-le-chrome-vi-ou-le-chrome-hexavalent-et-comment-le-traiter\">Kokios yra chromo VI arba \u0161e\u0161iavalen\u010dio chromo formos ir kaip jis apdorojamas?<\/h2>\n\n<p>Chromas 6 paprastai aptinkamas dulki\u0173 pavidalu arba jo yra dulk\u0117se. \u0160is ter\u0161alas susidaro apdirbant, formuojant ar perdirbant med\u017eiagas, kuri\u0173 sud\u0117tyje yra chromo VI arba kurios juo padengtos. <\/p>\n\n<p>Dulki\u0173 pavidalo \u0161e\u0161iavalentis chromas gali b\u016bti apdorojamas naudojant bent H klas\u0117s ir (arba) HEPA H13 arba H14 kiet\u0173j\u0173 daleli\u0173 filtrus. Visus LOJ apdorojimo sprendimus rasite https:\/\/obera.fr\/produits\/depoussiereurs-industriels. <\/p>\n\n<p>Daugiau informacijos: <a href=\"https:\/\/obera.fr\/lt\/musu-patarimas\/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\/\">VLEP taisykl\u0117s, chemini\u0173 med\u017eiag\u0173 rizikos vertinimas darbo vietoje<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0160e\u0161iavalentis chromas ir jo junginiai yra chemin\u0117s med\u017eiagos, klasifikuojamos kaip CMR (kancerogenin\u0117s, mutagenin\u0117s arba toksi\u0161kos reprodukcijai): C1A, M1B, R2. Kokios yra pagrindin\u0117s med\u017eiagos? Kokios yra TLV ir kaip su jomis galima elgtis?  <\/p>\n","protected":false},"author":4,"featured_media":98219,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Privalomi ELV : Kas yra \u0161e\u0161iavalentis chromas?","_seopress_titles_desc":"Su\u017einokite daugiau apie \u0161e\u0161iavalen\u010dio chromo profesinio poveikio ribines vertes. \"Obera\" projektuoja \u012frang\u0105, atitinkan\u010di\u0105 \u0161ias OEL. ","_seopress_robots_index":"","footnotes":""},"categories":[135],"tags":[136],"class_list":["post-98323","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-musu-patarimas","tag-entete-mazas","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\/lt\/wp-json\/wp\/v2\/posts\/98323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/comments?post=98323"}],"version-history":[{"count":1,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/98323\/revisions"}],"predecessor-version":[{"id":98327,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/98323\/revisions\/98327"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/media\/98219"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/media?parent=98323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/categories?post=98323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/tags?post=98323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}