{"id":98473,"date":"2021-07-28T09:15:37","date_gmt":"2021-07-28T07:15:37","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/valeurs-limites-d-exposition-professionnelle-styrene\/"},"modified":"2025-05-07T09:41:11","modified_gmt":"2025-05-07T07:41:11","slug":"valeurs-limites-d-exposition-professionnelle-styrene","status":"publish","type":"post","link":"https:\/\/obera.fr\/lt\/musu-patarimas\/valeurs-limites-d-exposition-professionnelle-styrene\/","title":{"rendered":"Privalomosios profesinio poveikio ribin\u0117s vert\u0117s ir stirenas"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"le-styrene-sous-tout-ses-sens\">Vis\u0173 form\u0173 stirenas<\/h2>\n\n<p>Stirenas yra <strong>toksi\u0161kas <\/strong>ir degus <strong>cheminis junginys, <\/strong> <strong>gaminamas i\u0161 naftos<\/strong>. Stirenas taip pat \u017einomas \u0161iais sinonimais: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>cinameno ;<\/li>\n\n\n\n<li>etenilbenzenas ;<\/li>\n\n\n\n<li>fenilo etileno ;<\/li>\n\n\n\n<li>stirenas;<\/li>\n\n\n\n<li>stireno monomeras ;<\/li>\n\n\n\n<li>vinilbenzeno.<\/li>\n<\/ul>\n\n<p>Pagrindiniai<strong> produktai ir kompozicin\u0117s med\u017eiagos, kuri\u0173 sud\u0117tyje yra stireno<\/strong>, yra \u0161ie:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>polistirenas;<\/li>\n\n\n\n<li>ABS (akrilonitrilo-butadieno-stireno) ;<\/li>\n\n\n\n<li>SAN (stireno akrilnitrilas) ;<\/li>\n\n\n\n<li>SBR (stireno-butadieno kau\u010diukas);<\/li>\n\n\n\n<li>SBL (stireno-butadieno lateksas);<\/li>\n\n\n\n<li>UPR (neso\u010diosios poliesteri\u0173 dervos).<\/li>\n<\/ul>\n\n<p>Stirenas daugiausia naudojamas \u0161iose pramon\u0117s \u0161akose:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>plastik\u0173 perdirbimas;<\/li>\n\n\n\n<li>Val\u010di\u0173 pramon\u0117 ;<\/li>\n\n\n\n<li>metalurgija ;<\/li>\n\n\n\n<li>k\u0117bulo darbai ir kt.<\/li>\n\n\n\n<li>basein\u0173 gamyba<\/li>\n\n\n\n<li>kompozicin\u0117s med\u017eiagos (stiklo pluo\u0161tas, anglies pluo\u0161tas).<\/li>\n\n\n\n<li>auk\u0161t\u0173j\u0173 technologij\u0173 med\u017eiagos (lenktyniniai laivai ir automobiliai, ginklai).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"vlep-styrene-valeur-limite-professionnelle-sur-8-h-et-court-terme\">VLEP stirenas: 8 valand\u0173 ir trumpalaik\u0117 profesin\u0117 ribin\u0117 vert\u0117<\/h2>\n\n<p><a href=\"https:\/\/obera.fr\/lt\/musu-patarimas\/kas-yra-profesinio-poveikio-ribine-verte-arba-oel\/\" data-type=\"post\" data-id=\"1999\">2016 m. kovo 23 d. dekrete 2016-344 nustatytos privalomos stireno profesinio poveikio ribin\u0117s vert\u0117s<\/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) = 100<strong>mg\/m\u00b3Trumpalaik\u0117 profesin\u0117 ribin\u0117<\/strong> vert\u0117 (VLCT 15 mn) = 200 mg\/m\u00b3.<\/p>\n<\/blockquote>\n\n<p>Privalomas profesinio poveikio ribines vertes (VLEP) reglamentuoja Pranc\u016bzijos <strong>darbo kodeksas<\/strong>. Jos apibr\u0117\u017etos<strong>R. 4412-149 straipsnyje<\/strong> kaip<strong>vidutin\u0117 chemin\u0117s med\u017eiagos koncentracija, kurios negalima vir\u0161yti<\/strong>: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>darbo vietoje;<\/li>\n\n\n\n<li>darbuotoj\u0173 kv\u0117pavimo zonoje.<\/li>\n<\/ul>\n\n<p>Nesvarbu, ar jos yra <strong>orientacin\u0117s<\/strong>, ar <strong>privalomos<\/strong>, pagal VLEP reikalaujama, kad \u012fmon\u0117s \u0161ias vertes <strong>kasmet patikrint\u0173 <\/strong> <strong>COFRAC akredituota \u012fstaiga<\/strong>. Vertinant ter\u0161al\u0173 poveik\u012f darbuotojams darbo vietoje, <strong>VLEP naudojamos kaip pamatin\u0117 vert\u0117<\/strong>. <\/p>\n\n<p>I\u0161matavus ter\u0161al\u0173 koncentracij\u0105 darbo vietos ore, galima nustatyti, koki\u0173 veiksm\u0173 reikia imtis, kad :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>sauga darbe ;<\/li>\n\n\n\n<li>rizikos prevencija ;<\/li>\n\n\n\n<li>kolektyvin\u0117 apsauga.<\/li>\n<\/ul>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Atkreipkite d\u0117mes\u012f: Pranc\u016bzijoje <a href=\"https:\/\/obera.fr\/lt\/musu-patarimas\/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\/\">stirenas n\u0117ra chemin\u0117 med\u017eiaga, klasifikuojama kaip CMR<\/a> (kancerogenin\u0117, mutagenin\u0117 ar toksi\u0161ka reprodukcijai).<\/p>\n<\/blockquote>\n\n<p>Europos S\u0105jungos lygmeniu <strong>su stireno poveikiu sveikatai ir saugai susijusi rizika<\/strong> i\u0161vardyta toliau:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>toksinis poveikis aspiracijai ;<\/li>\n\n\n\n<li>\u016bmus toksi\u0161kumas \u012fkv\u0117pus &#8211; garai ;<\/li>\n\n\n\n<li>korozinis odos dirginimas ;<\/li>\n\n\n\n<li>rimtas aki\u0173 pa\u017eeidimas \/ aki\u0173 dirginimas ;<\/li>\n\n\n\n<li>toksi\u0161kumas reprodukcijai ;<\/li>\n\n\n\n<li>l\u0117tinis toksi\u0161kumas vandens organizmams (pavojus aplinkai).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"sous-quelles-formes-retrouve-t-on-les-styrenes-et-comment-les-traiter\">Koki\u0173 form\u0173 b\u016bna stirenai ir kaip juos galima apdoroti?<\/h2>\n\n<p>Pramon\u0117je stirenai da\u017eniausiai randami dujin\u0117s formos. Sprendimai paprastai apima ter\u0161al\u0173 i\u0161traukim\u0105 darbo vietoje ir j\u0173 pa\u0161alinim\u0105 \u012f i\u0161or\u0119, apdorojant arba neapdorojant, priklausomai nuo <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\/\">reguliavimo apribojim\u0173<\/a>. Stirenai gali b\u016bti filtruojami ir atskiriami aktyvintomis anglimis. Priklausomai nuo koncentracijos, pirmenyb\u0117 teikiama toliau nurodytoms med\u017eiagoms:   <\/p>\n\n<ul class=\"wp-block-list\">\n<li>aktyvuota anglis ma\u017eoms ir labai ma\u017eoms koncentracijoms. Kadangi aktyvinta anglis gali adsorbuoti ne daugiau kaip 40 % savo mas\u0117s, nesunku apskai\u010diuoti, kiek reikia sunaudoti aktyvuotos anglies. <\/li>\n\n\n\n<li>Oksidaciniai procesai (termin\u0117 oksidacija arba katalitin\u0117 oksidacija), kai koncentracija yra didesn\u0117, o geriausia &#8211; autoterminis apdorojimas (be papildomo oksidanto oksidacijos procesui palaikyti).<\/li>\n<\/ul>\n\n<p>Galite rasti visus <a href=\"https:\/\/obera.fr\/lt\/produits\/traitement-cov\/\" data-type=\"page\" data-id=\"36\">sprendimus, kaip valyti lakiuosius organinius junginius naudojant aktyvuot\u0105j\u0105 angl\u012f<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8222;Obera&#8221; projektuoja \u012frang\u0105, atitinkan\u010di\u0105 \u0161ias OEL. Su\u017einokite daugiau apie stireno profesinio poveikio ribines vertes: toksi\u0161k\u0105 chemin\u0119 med\u017eiag\u0105, susijusius sektorius, rekomenduojam\u0105 OEL ir galimus gydymo b\u016bdus. <\/p>\n","protected":false},"author":4,"featured_media":98352,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Viskas, k\u0105 reikia \u017einoti apie ribojam\u0105sias OEL ir stiren\u0105","_seopress_titles_desc":"Su\u017einokite daugiau apie stireno profesinio poveikio ribines vertes. \"Obera\" projektuoja \u012frang\u0105, atitinkan\u010di\u0105 \u0161ias OEL. ","_seopress_robots_index":"","footnotes":""},"categories":[135],"tags":[136],"class_list":["post-98473","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\/98473","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=98473"}],"version-history":[{"count":1,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/98473\/revisions"}],"predecessor-version":[{"id":98499,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/posts\/98473\/revisions\/98499"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/media\/98352"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/media?parent=98473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/categories?post=98473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/lt\/wp-json\/wp\/v2\/tags?post=98473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}