{"id":106403,"date":"2026-06-29T09:49:10","date_gmt":"2026-06-29T09:49:10","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/kozni-prach\/"},"modified":"2026-06-29T09:49:10","modified_gmt":"2026-06-29T09:49:10","slug":"kozni-prach","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/sk\/fact\/kozni-prach\/","title":{"rendered":"Ko\u017en\u00ed prach"},"content":{"rendered":"<blockquote><p>Po\u010det pracovn\u00edkov, ktor\u00ed s\u00fa potenci\u00e1lne vystaven\u00ed ko\u017een\u00e9mu prachu, sa vo v\u0161etk\u00fdch krajin\u00e1ch E\u00da odhaduje na 310 000. Hlavnou cestou expoz\u00edcie pri pr\u00e1ci s\u00fa d\u00fdchacie cesty (vdychovanie prachu). Ko\u017en\u00fd prach je pod\u013ea IARC klasifikovan\u00fd ako karcinog\u00e9n pre \u010dloveka (skupina 1). Nie je klasifikovan\u00fd pod\u013ea eur\u00f3pskeho nariadenia CLP (Klasifik\u00e1cia, ozna\u010dovanie a balenie), ke\u010f\u017ee ide o l\u00e1tku vznikaj\u00facu pri procesoch pou\u017e\u00edvan\u00fdch v ko\u017eiarskom priemysle. Expoz\u00edcia tomuto prachu sp\u00f4sobuje rakovinu nosovej dutiny a rakovinu pr\u00ednosov\u00fdch dut\u00edn.    <\/p>\n<h2>Kde sa vyskytuj\u00fa rizik\u00e1<\/h2>\n<p>Ko\u017een\u00fd prach vznik\u00e1 hlavne pri mechanick\u00fdch oper\u00e1ci\u00e1ch so suchou ko\u017eou. K tomu doch\u00e1dza predov\u0161etk\u00fdm pri v\u00fdrobe v\u00fdrobkov (obuv, ko\u017een\u00e9 v\u00fdrobky), ale aj pri ich oprave (oprav\u00e1rstvo obuvi). Najviac prachu vznik\u00e1 pri dokon\u010dovac\u00edch oper\u00e1ci\u00e1ch (br\u00fasenie, le\u0161tenie, odieranie, rezanie, hob\u013eovanie, le\u0161tenie, zten\u010dovanie). V ko\u017eiarskych a ko\u017eospracovate\u013esk\u00fdch z\u00e1vodoch je expoz\u00edcia ni\u017e\u0161ia, ke\u010f\u017ee tieto procesy prebiehaj\u00fa vo vlhkom prostred\u00ed. Medzi najviac vystaven\u00fdch pracovn\u00edkov preto patria v\u00fdrobcovia ko\u017een\u00fdch v\u00fdrobkov, obuvn\u00edci, pracovn\u00edci v obuvn\u00edckom priemysle, pracovn\u00edci v oblasti povrchovej \u00fapravy a rez\u00e1\u010di\/striha\u010di.    <\/p>\n<h2>Viac o l\u00e1tke<\/h2>\n<p>Ko\u017en\u00fd prach je zlo\u017eit\u00e1 zmes kolag\u00e9nov\u00fdch vl\u00e1kien (\u017eivo\u010d\u00ed\u0161nych bielkov\u00edn), zvy\u0161kov z \u010dinenia (rastlinn\u00fdch tan\u00ednov a sol\u00ed chr\u00f3mu \u2013 chr\u00f3mu(III) a pr\u00edpadne <a href=\"https:\/\/stopcarcinogensatwork.eu\/sk\/fact\/zluceniny-chromu-vi\/\" target=\"_blank\" rel=\"noopener\">chr\u00f3mu(VI)<\/a>), farb\u00edv alebo pigmentov a prostriedkov na kone\u010dn\u00fa \u00fapravu (\u017eiv\u00edc a rozp\u00fa\u0161\u0165adiel).<br \/>\nPojem \u201eko\u017ea\u201c ozna\u010duje v\u00fdrobok z\u00edskan\u00fd z zvieracej ko\u017ee prostredn\u00edctvom \u010dinenia alebo impregn\u00e1cie, pri ktorom sa zachov\u00e1va prirodzen\u00e1 \u0161trukt\u00fara vl\u00e1kien ko\u017ee. Materi\u00e1ly poch\u00e1dzaj\u00face z rastl\u00edn alebo petrochemick\u00fdch l\u00e1tok (alebo ich zmesi) \u010di z ak\u00e9hoko\u013evek in\u00e9ho zdroja ako zo zvierat nem\u00f4\u017eu pod\u013ea z\u00e1kona nies\u0165 ozna\u010denie \u201eko\u017ea\u201c. <\/p>\n<p>Je potrebn\u00e9 poznamena\u0165, \u017ee karcinog\u00e9nny \u00fa\u010dinok uznan\u00fd agent\u00farou IARC s\u00favis\u00ed s samotn\u00fdm prachom, t. j. s pevn\u00fdmi \u010dasticami vznikaj\u00facimi pri mechanickom spracovan\u00ed vy\u010dinenej ko\u017ee, a nie s potenci\u00e1lnou pr\u00edtomnos\u0165ou dobre zn\u00e1mych karcinog\u00e9nnych l\u00e1tok v tomto prachu, ako je napr\u00edklad chr\u00f3m VI (inform\u00e1cie o chr\u00f3me VI n\u00e1jdete v \u0161pecifickom informa\u010dnom liste tu).<\/p>\n<p>V s\u00fa\u010dasnosti nie s\u00fa k dispoz\u00edcii \u017eiadne limitn\u00e9 hodnoty expoz\u00edcie pri pr\u00e1ci s ko\u017een\u00fdm prachom, a to ani na n\u00e1rodnej, ani na eur\u00f3pskej \u00farovni.<\/p>\n<h2>Zdravotn\u00e9 rizik\u00e1, ktor\u00e9 sa m\u00f4\u017eu vyskytn\u00fa\u0165<\/h2>\n<p>Hlavnou cestou expoz\u00edcie pracovn\u00edkov ko\u017een\u00e9mu prachu s\u00fa d\u00fdchacie cesty (vdychovanie prachu). Kr\u00e1tkodob\u00e9 nepriazniv\u00e9 \u00fa\u010dinky na zdravie zah\u0155\u0148aj\u00fa podr\u00e1\u017edenie d\u00fdchac\u00edch ciest, rinit\u00eddu, podr\u00e1\u017edenie o\u010d\u00ed a ka\u0161e\u013e. Z dlhodob\u00e9ho h\u013eadiska m\u00f4\u017ee expoz\u00edcia ko\u017een\u00e9mu prachu sp\u00f4sobi\u0165 rakovinu ORL (pr\u00edde\u0161n\u00e9 dutiny, nosn\u00e9 dutiny) a m\u00f4\u017ee zhor\u0161i\u0165 respira\u010dn\u00e9 ochorenia (chronick\u00e1 bronchit\u00edda).<br \/>\nRakoviny nosnej dutiny a pr\u00ednosov\u00fdch dut\u00edn s\u00favisiace s ko\u017een\u00fdm prachom m\u00f4\u017eu by\u0165 v niektor\u00fdch krajin\u00e1ch E\u00da (Franc\u00fazsko, Nemecko, \u0160panielsko, Taliansko) uznan\u00e9 za rakoviny z povolania, av\u0161ak podmienky tak\u00e9hoto uznania sa v jednotliv\u00fdch krajin\u00e1ch l\u00ed\u0161ia.<br \/>\nLatentn\u00e9 obdobie pred vznikom rakoviny m\u00f4\u017ee by\u0165 pomerne dlh\u00e9 (medzi 10 a 40 rokmi).  <\/p>\n<h2>\u010co m\u00f4\u017eete urobi\u0165<\/h2>\n<p>Ko\u017en\u00fd prach vznik\u00e1 pri procesoch spracovania zvierac\u00edch ko\u017e\u00ed (\u010dinenie, rezanie, br\u00fasenie, pieskovanie at\u010f.) a preto sa mu ned\u00e1 vyhn\u00fa\u0165. Aby sa obmedzila expoz\u00edcia prachu, je potrebn\u00e9 vykon\u00e1va\u0165 pr\u00e1cu v uzavretom syst\u00e9me alebo, ak to nie je mo\u017en\u00e9, ka\u017ed\u00e9 pracovisko mus\u00ed by\u0165 vybaven\u00e9 kolekt\u00edvnymi ochrann\u00fdmi opatreniami (uzavretie zariaden\u00ed, syst\u00e9my ods\u00e1vania prachu). Tieto syst\u00e9my je potrebn\u00e9 pravidelne udr\u017eiava\u0165, aby bola zabezpe\u010den\u00e1 ich \u00fa\u010dinnos\u0165. Je tie\u017e potrebn\u00e9 obmedzi\u0165 po\u010det vystaven\u00fdch pracovn\u00edkov. Ako posledn\u00e1 mo\u017enos\u0165, ak nie je mo\u017en\u00e9 v\u00fdrazne zn\u00ed\u017ei\u0165 hladiny prachu pri ur\u010dit\u00fdch \u00faloh\u00e1ch pomocou vy\u0161\u0161ie uveden\u00fdch opatren\u00ed, m\u00f4\u017eete pou\u017ei\u0165 d\u00fdchacie ochrann\u00e9 prostriedky. V takomto pr\u00edpade mus\u00edte by\u0165 za\u0161kolen\u00ed v ich pou\u017e\u00edvan\u00ed a mus\u00ed by\u0165 vypracovan\u00fd a zaveden\u00fd postup pre nakladanie s t\u00fdmto vybaven\u00edm. Ke\u010f\u017ee bola preuk\u00e1zan\u00e1 pr\u00edtomnos\u0165 karcinog\u00e9nnych l\u00e1tok na pracovn\u00fdch ploch\u00e1ch, pravideln\u00e9 \u010distenie pl\u00f4ch a pr\u00edsna hygiena (\u010distenie pracovn\u00e9ho o\u0161atenia a r\u00fak) s\u00fa nevyhnutn\u00e9 na obmedzenie op\u00e4tovn\u00e9ho uvo\u013e\u0148ovania prachu do ovzdu\u0161ia.      <\/p>\n<p>Zdroje:<\/p>\n<ul>\n<li>IARC \u2013 Arz\u00e9n, kovy, vl\u00e1kna a prachy. Monografie IARC o hodnoten\u00ed karcinog\u00e9nnych riz\u00edk pre \u013eud\u00ed. Zv\u00e4zok 100C.   2012.<\/li>\n<li>Savary B. a Emili A. Expoz\u00edcia na pracovisku vo franc\u00fazskom ko\u017eiarskom priemysle (2010\u20132024); <a href=\"https:\/\/www.inrs.fr\/media.html?refINRS=BD%2030\" target=\"_blank\" rel=\"noopener\">Health &#038; Safety at Work, \u010d. 281, december 2025<\/a><\/li>\n<\/ul>\n<\/blockquote>\n","protected":false},"template":"","carcinogens":[8555],"class_list":["post-106403","fact","type-fact","status-publish","hentry","carcinogens-kozni-prach"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Ko\u017en\u00ed prach - %<\/title>\n<meta name=\"description\" content=\"Be aware of what you work with! 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