{"id":98330,"date":"2021-07-29T09:25:37","date_gmt":"2021-07-29T07:25:37","guid":{"rendered":"https:\/\/obera.fr\/conseils\/vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes\/"},"modified":"2025-05-07T09:34:09","modified_gmt":"2025-05-07T07:34:09","slug":"vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes","status":"publish","type":"post","link":"https:\/\/obera.fr\/et\/meie-nouanne\/vlep-chrome-hexavalent-valeurs-limites-exposition-professionnelle-contraignantes\/","title":{"rendered":"Restriktiivne VLEP ja kuuevalentne kroom"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"le-chrome-hexavalent-c-est-quoi\">Mis on kuuevalentne kroom?<\/h2>\n\n<p><strong>Kroma VI ehk kuuevalentne kroom <\/strong>on kroomi 6. oks\u00fcdatsiooniaste. Kuusevalentne kroom on tuntud ka s\u00fcnon\u00fc\u00fcmide all : <\/p>\n\n<ul class=\"wp-block-list\">\n<li>kroomtrioksiid ;<\/li>\n\n\n\n<li>kroomanh\u00fcdriid ;<\/li>\n\n\n\n<li>kroom VI oksiid ;<\/li>\n\n\n\n<li>kroomanh\u00fcdriid ;<\/li>\n\n\n\n<li>kroomtrioksiid.<\/li>\n<\/ul>\n\n<p><strong>Peamised kuuevalentse kroomi<\/strong> v\u00f5i kroom VI <strong>sisaldavad ained<\/strong> on j\u00e4rgmised:<\/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\">Kaaliumdikromaat<\/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\">Naatrium- ja kaaliumdikromaadid<\/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\">Strontsiumkromaat<\/p>\n<\/div>\n<\/div>\n\n<p><strong>Kuusevalentset kroomi ja selle \u00fchendeid<\/strong> kasutatakse peamiselt j\u00e4rgmistes t\u00f6\u00f6stusharudes:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>teraset\u00f6\u00f6stus (kroom roostevaba ja eriterase ning sulamite tootmiseks) ;<\/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=\"siderurgia\" 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>keemiat\u00f6\u00f6stus (kroomi\u00fchendite tootmine) ;<\/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=\"Keemiat&#xF6;&#xF6;stus\" 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>Pinnat\u00f6\u00f6tlus (elektrol\u00fc\u00fctiline kroomimine, k\u00f5va kroomimine, dekoratiivne kroomimine) ;<\/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=\"pindade t&#xF6;&#xF6;tlemine\" 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>puidut\u00f6\u00f6stus (s\u00e4ilitamine) ;<\/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=\"puidut&#xF6;&#xF6;tlemine\" 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>pigmentide ja v\u00e4rvainete tootmine ;<\/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=\"pigmentide ja v&#xE4;rvainete tootmine\" 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>naha parkimine ;<\/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=\"naha parkimine\" 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>Lennundus (k\u00f5rge korrosioonikindlusega v\u00e4rv, lihvimine, lihvimine jne) ;<\/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=\"lennundus\" 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>\u00d5hus\u00f5idukite hooldus (v\u00e4rvimine) ;<\/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=\"lennunduslik maalimine\" 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 kuuevalentne kroom: l\u00fchiajaline ja 8-tunnine t\u00f6\u00f6keskkonna piirv\u00e4\u00e4rtus<\/h2>\n\n<p>Kuusevalentne kroom ja selle \u00fchendid on <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\/\">keemilised ained, mis on klassifitseeritud CMR-ks<\/a><\/strong> (kantserogeensed, mutageensed v\u00f5i reproduktiivtoksilised): C1A, M1B, R2.<\/p>\n\n<p>9. detsembri 2020. aasta dekreediga 2020-1546 on kehtestatud kuuevalentse kroomi ja selle \u00fchendite siduvad piirnormid<a href=\"https:\/\/obera.fr\/et\/meie-nouanne\/valeur-limite-exposition-professionnelle-ou-vlep\/\" 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>T\u00f6\u00f6alane piirv\u00e4\u00e4rtus 8 tunni jooksul<\/strong> (VLEP-8h) = 0,001 mg\/m\u00b3 <strong>L\u00fchiajaline t\u00f6\u00f6alane piirv\u00e4\u00e4rtus (VLCT<\/strong> ) = 0,005 mg\/m\u00b3.<\/p>\n<\/blockquote>\n\n<p><strong>Siduvad <\/strong>ja <strong>soovituslikud<\/strong> <strong>piirnormid <\/strong>kehtestavad kontrollv\u00e4\u00e4rtuse, kui <strong>hinnatakse t\u00f6\u00f6tajate kokkupuudet saasteainetega t\u00f6\u00f6kohal<\/strong>. Saasteainete kontsentratsioonitaseme m\u00f5\u00f5tmist t\u00f6\u00f6kohal kasutatakse selleks, et m\u00e4\u00e4rata kindlaks rakendatavad riskiennetusmeetmed. <\/p>\n\n<p>Samuti tasub lugeda: Millised on riskid, kui <a href=\"https:\/\/obera.fr\/conseils\/vlep-quels-risques-cas-de-non-respect-reglementation\/\" data-type=\"post\" data-id=\"1816\">VLEPi n\u00f5udeid ei t\u00e4ideta<\/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>Keemiliste ainete kontsentratsioon t\u00f6\u00f6koha atmosf\u00e4\u00e4ris on v\u00e4ljendatud :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mg\/m\u00b3 vedelate ja tahkete aerosoolide puhul ;<\/li>\n\n\n\n<li>ppm (miljondikosa) v\u00f5i ml\/m\u00b3 gaaside ja\/v\u00f5i aurude puhul;<\/li>\n\n\n\n<li>kiud\/cm\u00b3 kiudude puhul.<\/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>T\u00f6\u00f6alase kokkupuute piirv\u00e4\u00e4rtus m\u00f5\u00f5detakse :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>8-tunnine v\u00f5rdlusperiood 8-tunnise VLEPi jaoks ;<\/li>\n\n\n\n<li>l\u00fchiajaliste TLVde maksimaalne kestus 15 minutit.<\/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\">Millisel kujul esineb kroom VI ehk kuuevalentne kroom ja kuidas seda t\u00f6\u00f6deldakse?<\/h2>\n\n<p>Kroom 6 leidub tavaliselt tolmu kujul v\u00f5i sisaldub tolmus. See saasteaine tekib kroom VI-d sisaldavate v\u00f5i kroomiga kaetud materjalide mehaanilisel t\u00f6\u00f6tlemisel, vormimisel v\u00f5i \u00fcmbert\u00f6\u00f6tlemisel. <\/p>\n\n<p>Tolmu kujul esinevat kuuevalentset kroomi v\u00f5ib t\u00f6\u00f6delda v\u00e4hemalt H-klassi ja\/v\u00f5i HEPA H13 v\u00f5i H14 tahkete osakeste filtritega. K\u00f5ik LO\u00dc-de t\u00f6\u00f6tlemise lahendused leiate aadressilt https:\/\/obera.fr\/produits\/depoussiereurs-industriels. <\/p>\n\n<p>T\u00e4iendav teave: <a href=\"https:\/\/obera.fr\/et\/meie-nouanne\/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-m\u00e4\u00e4rused, keemiliste riskide hindamine t\u00f6\u00f6kohal<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kuusevalentne kroom ja selle \u00fchendid on kemikaalid, mis on klassifitseeritud CMR-kemikaalideks (kantserogeensed, mutageensed v\u00f5i reproduktiivtoksilised): C1A, M1B, R2. Millised on peamised ained? Millised on TLV-arvud ja kuidas neid saab t\u00f6\u00f6delda?  <\/p>\n","protected":false},"author":4,"featured_media":98213,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Siduvad ELV-d : Mis on kuuevalentne kroom?","_seopress_titles_desc":"Lisateave kuuevalentse kroomi t\u00f6\u00f6keskkonna piirnormide kohta. Obera konstrueerib seadmeid, mis vastavad nendele OEL-piirnormidele. ","_seopress_robots_index":"","footnotes":""},"categories":[296],"tags":[304],"class_list":["post-98330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-meie-nouanne","tag-entete-vaike","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\/et\/wp-json\/wp\/v2\/posts\/98330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/comments?post=98330"}],"version-history":[{"count":1,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts\/98330\/revisions"}],"predecessor-version":[{"id":98332,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts\/98330\/revisions\/98332"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/media\/98213"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/media?parent=98330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/categories?post=98330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/tags?post=98330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}