{"id":98500,"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":"2025-05-07T09:41:14","modified_gmt":"2025-05-07T07:41:14","slug":"valeurs-limites-d-exposition-professionnelle-styrene","status":"publish","type":"post","link":"https:\/\/obera.fr\/lv\/musu-padoms\/valeurs-limites-d-exposition-professionnelle-styrene\/","title":{"rendered":"Saisto\u0161\u0101s arodekspoz\u012bcijas robe\u017ev\u0113rt\u012bbas un stir\u0113ns"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"le-styrene-sous-tout-ses-sens\">Stirols vis\u0101s t\u0101 noz\u012bm\u0113s<\/h2>\n\n<p>Stirols ir <strong>toksisks <\/strong>un viegli uzliesmojo\u0161s <strong>\u0137\u012bmisks savienojums, ko <\/strong> <strong>ra\u017eo no naftas<\/strong>. Stirols ir paz\u012bstams ar\u012b ar \u0161iem sinon\u012bmiem: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>kan\u0113\u013ckoks;<\/li>\n\n\n\n<li>etenilbenzols ;<\/li>\n\n\n\n<li>fenil etil\u0113ns ;<\/li>\n\n\n\n<li>stirols;<\/li>\n\n\n\n<li>stirola monom\u0113rs ;<\/li>\n\n\n\n<li>vinilbenzols.<\/li>\n<\/ul>\n\n<p>Galvenie<strong> stir\u0113nu saturo\u0161i produkti un kompoz\u012btmateri\u0101li<\/strong> ir \u0161\u0101di:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>polistirols;<\/li>\n\n\n\n<li>ABS (akrilnitrilbutadi\u0113nstirols) ;<\/li>\n\n\n\n<li>SAN (stirol-akrilnitrils) ;<\/li>\n\n\n\n<li>SBR (stirolbutadi\u0113nkau\u010duks);<\/li>\n\n\n\n<li>SBL (stirolbutadi\u0113na latekss);<\/li>\n\n\n\n<li>UPR (nepies\u0101tin\u0101tie poliesteru sve\u0137i).<\/li>\n<\/ul>\n\n<p>Stirols galvenok\u0101rt tiek izmantots \u0161\u0101d\u0101s nozar\u0113s:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>plastmasas apstr\u0101de ;<\/li>\n\n\n\n<li>laivo\u0161anas nozare ;<\/li>\n\n\n\n<li>metalur\u0123ija ;<\/li>\n\n\n\n<li>virsb\u016bves darbi u. c.<\/li>\n\n\n\n<li>peldbaseinu ra\u017eo\u0161ana<\/li>\n\n\n\n<li>kompoz\u012btmateri\u0101li (stikla \u0161\u0137iedra, oglek\u013ca \u0161\u0137iedra).<\/li>\n\n\n\n<li>augsto tehnolo\u0123iju materi\u0101li (sac\u012bk\u0161u laivas un automa\u0161\u012bnas, iero\u010di).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"vlep-styrene-valeur-limite-professionnelle-sur-8-h-et-court-terme\">VLEP stir\u0113ns: 8 stundu un \u012bstermi\u0146a aroda robe\u017ev\u0113rt\u012bba<\/h2>\n\n<p><a href=\"https:\/\/obera.fr\/lv\/musu-padoms\/kas-ir-arodekspozicijas-robezvertiba-jeb-oel\/\" data-type=\"post\" data-id=\"1999\">2016. gada 23. marta Dekr\u0113t\u0101 2016-344 ir noteiktas saisto\u0161as stirola arodekspoz\u012bcijas robe\u017ev\u0113rt\u012bbas<\/a>.<\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>asto\u0146u stundu aroda robe\u017ev\u0113rt\u012bba<\/strong> (VLEP-8h) = 100<strong>mg\/m\u00b3 \u012bstermi\u0146a aroda robe\u017ev\u0113rt\u012bba<\/strong> (VLCT 15 mn) = 200 mg\/m\u00b3.<\/p>\n<\/blockquote>\n\n<p>Saisto\u0161\u0101s arodekspoz\u012bcijas robe\u017ev\u0113rt\u012bbas (VLEP) reglament\u0113 Francijas <strong>Darba kodekss<\/strong>. T\u0101s ir defin\u0113tas<strong>R. 4412-149. pant\u0101<\/strong> k\u0101<strong>\u0137\u012bmisk\u0101s vielas vid\u0113j\u0101 koncentr\u0101cija, kuru nedr\u012bkst p\u0101rsniegt<\/strong>: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>darba viet\u0101;<\/li>\n\n\n\n<li>darbinieku elpo\u0161anas zon\u0101.<\/li>\n<\/ul>\n\n<p>Neatkar\u012bgi no t\u0101, vai t\u0101s ir <strong>orient\u0113jo\u0161as vai saisto\u0161as<\/strong>, VLEP nosaka, ka uz\u0146\u0113mumiem \u0161\u012bs v\u0113rt\u012bbas <strong>katru gadu j\u0101p\u0101rbauda <\/strong> <strong>COFRAC akredit\u0113tai iest\u0101dei<\/strong>. Nov\u0113rt\u0113jot pies\u0101r\u0146ojo\u0161o vielu iedarb\u012bbu uz darbiniekiem darba viet\u0101, <strong>VLEP izmanto k\u0101 atsauces v\u0113rt\u012bbu<\/strong>. <\/p>\n\n<p>M\u0113rot pies\u0101r\u0146ojo\u0161o vielu koncentr\u0101cijas l\u012bmeni gais\u0101 darba viet\u0101, var noteikt, k\u0101di pas\u0101kumi j\u0101veic, lai :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>darba dro\u0161\u012bba ;<\/li>\n\n\n\n<li>riska nov\u0113r\u0161ana ;<\/li>\n\n\n\n<li>kolekt\u012bv\u0101 aizsardz\u012bba.<\/li>\n<\/ul>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>L\u016bdzu, \u0146emiet v\u0113r\u0101: Francij\u0101 <a href=\"https:\/\/obera.fr\/lv\/musu-padoms\/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\/\">stirols nav \u0137\u012bmiska viela, kas klasific\u0113ta k\u0101 CMR<\/a> (kancerog\u0113na, mutag\u0113na vai reprodukt\u012bvajai funkcijai toksiska).<\/p>\n<\/blockquote>\n\n<p>Eiropas Savien\u012bbas l\u012bmen\u012b ir uzskait\u012bti \u0161\u0101di <strong>ar stirola iedarb\u012bbu saist\u012btie vesel\u012bbas un dro\u0161\u012bbas riski<\/strong>:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>aspir\u0101cijas toksicit\u0101te ;<\/li>\n\n\n\n<li>ak\u016bta toksicit\u0101te ieelpojot &#8211; tvaiki ;<\/li>\n\n\n\n<li>korozijas \u0101das kairin\u0101jums ;<\/li>\n\n\n\n<li>nopietns acu boj\u0101jums\/acu kairin\u0101jums ;<\/li>\n\n\n\n<li>toksiskums reprodukt\u012bvajai sist\u0113mai ;<\/li>\n\n\n\n<li>hroniska toksicit\u0101te \u016bdens videi (risks videi).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\" id=\"sous-quelles-formes-retrouve-t-on-les-styrenes-et-comment-les-traiter\">K\u0101das ir stir\u012bnu formas un k\u0101 t\u0101s var apstr\u0101d\u0101t?<\/h2>\n\n<p>R\u016bpniec\u012bb\u0101 stireni parasti ir sastopami g\u0101zveida form\u0101. Risin\u0101jumi parasti ietver pies\u0101r\u0146ojo\u0161o vielu ekstrakciju darba viet\u0101 un to izvad\u012b\u0161anu \u0101rpus t\u0101s ar vai bez att\u012br\u012b\u0161anas atkar\u012bb\u0101 no <a href=\"https:\/\/obera.fr\/lv\/musu-padoms\/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\/\">normat\u012bvajiem ierobe\u017eojumiem<\/a>. Stir\u0113nus var filtr\u0113t un atdal\u012bt uz akt\u012bv\u0101s ogles. Atkar\u012bb\u0101 no koncentr\u0101cijas priek\u0161roka tiek dota \u0161\u0101d\u0101m metod\u0113m:   <\/p>\n\n<ul class=\"wp-block-list\">\n<li>akt\u012bv\u0101 ogle zem\u0101m vai \u013coti zem\u0101m koncentr\u0101cij\u0101m. T\u0101 k\u0101 akt\u012bv\u0101 ogle var adsorb\u0113t ne vair\u0101k k\u0101 40 % no savas masas, ir viegli apr\u0113\u0137in\u0101t nepiecie\u0161amo akt\u012bv\u0101s ogles pat\u0113ri\u0146u. <\/li>\n\n\n\n<li>Oksidat\u012bvie procesi (termisk\u0101 oksid\u0113\u0161ana vai katal\u012btisk\u0101 oksid\u0113\u0161ana) liel\u0101k\u0101m koncentr\u0101cij\u0101m un ide\u0101l\u0101 gad\u012bjum\u0101 autotermisk\u0101 apstr\u0101de (bez papildu oksid\u0113t\u0101ja oksid\u0113\u0161anas procesa uztur\u0113\u0161anai).<\/li>\n<\/ul>\n\n<p>J\u016bs varat atrast visus <a href=\"https:\/\/obera.fr\/lv\/produits\/traitement-cov\/\" data-type=\"page\" data-id=\"36\">risin\u0101jumus gaisto\u0161o organisko savienojumu att\u012br\u012b\u0161anai, izmantojot aktiv\u0113to ogli<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Obera projekt\u0113 iek\u0101rtas, kas atbilst \u0161\u012bm OEL. Uzziniet vair\u0101k par stirola arodekspoz\u012bcijas robe\u017ev\u0113rt\u012bb\u0101m: t\u0101 toksisko \u0137\u012bmisko savienojumu, attiec\u012bgaj\u0101m nozar\u0113m, ieteicamo OEL un iesp\u0113jamiem \u0101rst\u0113\u0161anas veidiem. <\/p>\n","protected":false},"author":4,"featured_media":98351,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Viss, kas jums j\u0101zina par ierobe\u017eojo\u0161ajiem OEL un stir\u0113nu","_seopress_titles_desc":"Uzziniet vair\u0101k par stirola arodekspoz\u012bcijas robe\u017ev\u0113rt\u012bb\u0101m. Obera projekt\u0113 iek\u0101rtas, kas atbilst \u0161iem OEL. 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