{"id":987824,"date":"2026-05-05T01:35:56","date_gmt":"2026-05-05T01:35:56","guid":{"rendered":"https:\/\/palegreen-hyena-800612.hostingersite.com\/proficiency-testing\/"},"modified":"2026-06-29T12:12:26","modified_gmt":"2026-06-29T12:12:26","slug":"proficiency-testing","status":"publish","type":"page","link":"https:\/\/oikoslab.pl\/en\/services\/proficiency-testing\/","title":{"rendered":"Proficiency Testing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"987824\" class=\"elementor elementor-987824\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-963fac5 e-flex e-con-boxed e-con e-parent\" data-id=\"963fac5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-80bfaef animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"80bfaef\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Accredited Proficiency Testing for Testing Laboratories<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-28f9727 animated-fast elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"28f9727\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>PN-EN ISO\/IEC 17025 requires accredited laboratories to demonstrate technical competence through participation in proficiency testing or interlaboratory comparison programmes. OIKOS is one of the few PCA-accredited proficiency testing organisers (PT 010 under PN-EN ISO\/IEC 17043) in the Polish OSH and environmental laboratory market. We have organised PT since 2021 and currently operate ten programmes covering noise, vibration, lighting, microclimate, dust, chemical agents \u2014 used by laboratories across Poland to maintain their AB accreditation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-701fb01 e-flex e-con-boxed e-con e-parent\" data-id=\"701fb01\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-16027d8 e-con-full e-flex e-con e-child\" data-id=\"16027d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b23dc7c elementor-widget__width-initial elementor-widget elementor-widget-spacer\" data-id=\"b23dc7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9ffea6 elementor-widget__width-initial elementor-widget elementor-widget-spacer\" data-id=\"e9ffea6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81f96b4 elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"81f96b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Nine accredited PT Programmes + PT-Cr VI Add-on<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-f58d494 elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"f58d494\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Accredited programmes are marked with the letter A and fall within the PT 010 accreditation scope. For 2026 we offer nine accredited programmes plus the additional PT-Cr VI programme \u2014 hexavalent chromium determination on filters \u2014 delivered outside the PT 010 scope. Each programme requires a minimum of six participating laboratories. After each round, participants receive a detailed statistical report with performance scoring (z-score or equivalent) for use in their own quality system:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9bf1238 e-con-full e-flex e-con e-child\" data-id=\"9bf1238\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-521a051 e-con-full animated-fast vamtam-has-theme-cp vamtam-cp-top-left e-flex elementor-invisible e-con e-child\" data-id=\"521a051\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;,&quot;animation_delay&quot;:450}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7e8aa61 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"7e8aa61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-h\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-H \u2014 Workplace noise<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-eh\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-EH \u2014 Environmental noise<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-dr\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-DR \u2014 Vibration (HAV \/ WBV)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-g\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-G \u2014 Carbon monoxide<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-org\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-ORG \u2014 Organic substances (toluene)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0c83390 e-con-full animated-fast vamtam-has-theme-cp vamtam-cp-top-right e-flex elementor-invisible e-con e-child\" data-id=\"0c83390\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;,&quot;animation_delay&quot;:500}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e060146 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"e060146\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-os\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-OS \u2014 Lighting<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-p\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-P \u2014 Dust (aerosol fractions)<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-hu\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-HU \u2014 Ultrasonic noise<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-m\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-M \u2014 Thermal microclimate<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"#pt-crvi\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-check-round\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">PT-Cr VI \u2014 Hexavalent chromium<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-630a87e e-flex e-con-boxed e-con e-parent\" data-id=\"630a87e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc3da4f elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"bc3da4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2026 Programme Schedule<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-8425309 elementor-widget elementor-widget-text-editor\" data-id=\"8425309\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nine accredited proficiency-testing programmes run three rounds in 2026 under PT 010 (PN-EN ISO\/IEC 17043:2023-10). The PT-Cr VI programme is delivered as a single round outside the PT 010 accredited scope. Accreditation status and current scope can be verified on the Polish Centre for Accreditation website www.pca.gov.pl in the list of accredited PT organisers.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-8a71ef3 elementor-widget elementor-widget-text-editor\" data-id=\"8a71ef3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"pt-h\" class=\"pt-prog\"><h4 class=\"pt-prog-title\">PT-H \u2014 Workplace noise<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A \u2014 PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Workplace noise \u2014 determination of occupational exposure to noise<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment \u2014 noise<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">A-weighted equivalent sound level; A-weighted maximum sound level; C-weighted peak sound level. Direct measurement method. Noise exposure level referenced to 8-hour daily working time (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-h-wer-11-konspekt-halas-hp.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-h-wer-14-program-badan-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>02.03.2026<\/td><td>07.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>25.05.2026<\/td><td>07.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>28.09.2026<\/td><td>09.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-4cd0f28 elementor-widget elementor-widget-text-editor\" data-id=\"4cd0f28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-eh\"><h4 class=\"pt-prog-title\">PT-EH &mdash; Environmental noise<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Environmental noise &mdash; measurements of noise from installations or equipment<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">General environment &mdash; noise from installations, equipment and industrial plants<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">A-weighted equivalent sound level. Direct measurement method. A-weighted equivalent sound level for the reference time expressed as L<sub>AeqD<\/sub> indicator.<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-eh-wer-11-konspekt-emisja-halasu.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-eh-wer-12-program-badan-bieglosci-emisja-halasu.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>02.03.2026<\/td><td>14.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>26.05.2026<\/td><td>08.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>29.09.2026<\/td><td>10.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-0789325 elementor-widget elementor-widget-text-editor\" data-id=\"0789325\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-dr\"><h4 class=\"pt-prog-title\">PT-DR &mdash; Vibration (HAV \/ WBV)<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Proficiency testing for vibration measurements &mdash; general action on the human body (whole-body vibration, WBV) and local action through upper limbs (hand-arm vibration, HAV)<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; mechanical whole-body vibration (WBV)<br>Workplace environment &mdash; mechanical hand-arm vibration (HAV) through upper limbs<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\"><span class=\"pt-sublabel\">WBV:<\/span> Frequency-weighted RMS vibration acceleration. Direct measurement method. Daily exposure expressed as energy-equivalent for 8 hours of action of the effective frequency-corrected vibration acceleration, dominant among accelerations determined for three directional components with appropriate coefficients (1,4a<sub>wx<\/sub>, 1,4a<sub>wy<\/sub>, a<sub>wz<\/sub>) (calculated).<br><br><span class=\"pt-sublabel\">HAV:<\/span> Frequency-weighted RMS vibration acceleration. Direct measurement method. Daily exposure expressed as energy-equivalent for 8 hours of action of the vector sum of effective, frequency-corrected vibration accelerations determined for three components (a<sub>hwx<\/sub>, a<sub>hwy<\/sub>, a<sub>hwz<\/sub>) (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-dr-wer-10-konspekt-drgania.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-dr-wer-12-program-badan-bieglosci-drgania.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>03.03.2026<\/td><td>15.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>25.05.2026<\/td><td>07.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>28.09.2026<\/td><td>09.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-da750bf elementor-widget elementor-widget-text-editor\" data-id=\"da750bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-g\"><h4 class=\"pt-prog-title\">PT-G &mdash; Carbon monoxide<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Determination of carbon monoxide concentration in workplace environment using direct-reading instruments<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; air<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">Carbon monoxide concentration. Direct measurement method. Exposure index (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-g-wer-11-konspekt-gazy.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-g-wer-11-program-badan-bieglosci-gazy.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>03.03.2026<\/td><td>15.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>26.05.2026<\/td><td>08.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>29.09.2026<\/td><td>10.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-4a1768f elementor-widget elementor-widget-text-editor\" data-id=\"4a1768f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-org\"><h4 class=\"pt-prog-title\">PT-ORG &mdash; Organic substances (toluene)<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Proficiency testing for air sampling to assess occupational exposure to organic substances &mdash; toluene<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; air<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">Toluene concentration. Air sampling. Exposure index (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-org-wer-06-konspekt-pobieranie-substancji-organicznych.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-org-wer-09-program-badan-bieglosci-pobieranie-substancji-organicznych.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>04.03.2026<\/td><td>16.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>27.05.2026<\/td><td>09.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>30.09.2026<\/td><td>12.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-2be1784 elementor-widget elementor-widget-text-editor\" data-id=\"2be1784\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-os\"><h4 class=\"pt-prog-title\">PT-OS &mdash; Lighting<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Illuminance measurement &mdash; workplace lighting<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; indoor electrical lighting<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">Illuminance; uniformity of illuminance. Direct measurement method.<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-os-wer-12-konspekt-oswietlenie.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-os-wer-15-program-badan-bieglosci-oswietlenie.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>04.03.2026<\/td><td>16.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>27.05.2026<\/td><td>09.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>30.09.2026<\/td><td>12.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-1e87ac6 elementor-widget elementor-widget-text-editor\" data-id=\"1e87ac6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-p\"><h4 class=\"pt-prog-title\">PT-P &mdash; Dust (aerosol fractions)<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Proficiency testing for air sampling and determination of inhalable and respirable aerosol fractions<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; air<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">Aerosol concentration: inhalable fraction; respirable fraction. Air sampling and gravimetric analysis. Exposure index (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-p-wer-11-konspekt-pyly.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-p-wer-10-program-badan-bieglosci-pyly.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>05.03.2026<\/td><td>17.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>28.05.2026<\/td><td>10.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>01.10.2026<\/td><td>13.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-d8f674e elementor-widget elementor-widget-text-editor\" data-id=\"d8f674e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-hu\"><h4 class=\"pt-prog-title\">PT-HU &mdash; Ultrasonic noise<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Ultrasonic noise in workplace &mdash; determination of occupational exposure to ultrasonic noise<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; ultrasonic noise<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\">Equivalent sound pressure levels in the i-th third-octave band at centre frequencies from 10 kHz to 40 kHz; maximum sound pressure levels in the i-th third-octave band at centre frequencies from 10 kHz to 40 kHz. Direct measurement method. Equivalent sound pressure levels in the i-th third-octave band referenced to 8-hour daily working time (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-hu-wer-06-konspekt-halas-ultradzwiekowy.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-hu-wer-06-program-badan-bieglosci-halas-ultradzwiekowy.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>05.03.2026<\/td><td>17.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>28.05.2026<\/td><td>10.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>01.10.2026<\/td><td>13.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-b39804a elementor-widget elementor-widget-text-editor\" data-id=\"b39804a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"pt-prog\" id=\"pt-m\"><h4 class=\"pt-prog-title\">PT-M &mdash; Thermal microclimate<\/h4><div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">A &mdash; PT 010<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Thermal comfort assessment using the PMV indicator, and thermal load assessment based on the WBGT indicator<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Workplace environment &mdash; moderate microclimate<br>Workplace environment &mdash; hot microclimate<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Measured quantities<\/span><span class=\"pt-value\"><span class=\"pt-sublabel\">Moderate microclimate (PMV):<\/span> Air temperature; black globe temperature; air humidity; air velocity. Direct measurement method. PMV indicator (calculated).<br><br><span class=\"pt-sublabel\">Hot microclimate (WBGT):<\/span> Air temperature; natural wet-bulb temperature; black globe temperature. Direct measurement method. WBGT indicator (calculated).<\/span><\/div><div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-08-pt-m-wer-10-konspekt-mikroklimat.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-06-pt-m-wer-12-program-badan-bieglosci-mikroklimat.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div><table class=\"pt-rounds\"><thead><tr><th>Round<\/th><th>Sign-up by<\/th><th>Measurement date<\/th><th>Report sent by<\/th><\/tr><\/thead><tbody><tr><td>I<\/td><td>23.02.2026<\/td><td>06.03.2026<\/td><td>20.04.2026<\/td><\/tr><tr><td>II<\/td><td>18.05.2026<\/td><td>29.05.2026<\/td><td>11.07.2026<\/td><\/tr><tr><td>III<\/td><td>21.09.2026<\/td><td>02.10.2026<\/td><td>16.11.2026<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-7dbc0f9 elementor-widget elementor-widget-text-editor\" data-id=\"7dbc0f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"pt-crvi\" class=\"pt-prog pt-prog-out\">\n<h4 class=\"pt-prog-title\">PT-Cr VI \u2014 Hexavalent chromium<\/h4>\n<div class=\"pt-field\"><span class=\"pt-label\">Accreditation<\/span><span class=\"pt-value\">None \u2014 delivered outside PT 010 accredited scope<\/span><\/div>\n<div class=\"pt-field\"><span class=\"pt-label\">Identification<\/span><span class=\"pt-value\">Interlaboratory comparison for the determination of hexavalent chromium compounds on filters<\/span><\/div>\n<div class=\"pt-field\"><span class=\"pt-label\">Sample analysis location<\/span><span class=\"pt-value\">Participant&#8217;s own laboratory<\/span><\/div>\n<div class=\"pt-field\"><span class=\"pt-label\">Testing object<\/span><span class=\"pt-value\">Sample A1 \u2014 glass-fibre filter of 25 mm diameter with an applied known quantity of hexavalent chromium compounds at lower concentration<br \/>Sample A2 \u2014 glass-fibre filter of 25 mm diameter with an applied known quantity of hexavalent chromium compounds at higher concentration<br\/>One blank control filter<\/span><\/div>\n<div class=\"pt-field\"><span class=\"pt-label\">Documents<\/span><span class=\"pt-value\"><span class=\"dl-row\"><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-02-po-18-wyd-05-pt-cr-vi-wer-03-konspekt-chromiany.pdf\" target=\"_blank\" rel=\"noopener\">Outline<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-03-po-18-wyd-02-pt-cr-vi-wer-03-program-badan-bieglosci-chromiany.pdf\" target=\"_blank\" rel=\"noopener\">Programme<\/a><a class=\"dl-pill\" href=\"http:\/\/oikoslab.pl\/wp-content\/uploads\/2026\/06\/f-05-po-18-wyd-14-formularz-zgloszeniowy-badania-bieglosci-pt-cr-vi.pdf\" target=\"_blank\" rel=\"noopener\">Registration form<\/a><\/span><\/span><\/div>\n<table class=\"pt-rounds pt-rounds--stages\">\n<thead>\n<tr>\n<th>Stage<\/th>\n<th>Date<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sign-up by<\/td>\n<td>25.02.2026<\/td>\n<\/tr>\n<tr>\n<td>Start (test items shipped to participants)<\/td>\n<td>04.03.2026<\/td>\n<\/tr>\n<tr>\n<td>Completion (participants send results to OIKOS)<\/td>\n<td>11.03.2026<\/td>\n<\/tr>\n<tr>\n<td>Report sent by<\/td>\n<td>23.04.2026<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7be0729 e-flex e-con-boxed e-con e-child\" data-id=\"7be0729\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-895102f animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"895102f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The Standard Other Laboratories Are Tested Against<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-5308567 animated-fast elementor-invisible elementor-widget elementor-widget-text-editor\" data-id=\"5308567\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:200}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>OIKOS holds both AB 934 (laboratory testing under PN-EN ISO\/IEC 17025) and PT 010 (PT organiser under PN-EN ISO\/IEC 17043) \u2014 a dual position that is unique in the Polish OSH and environmental laboratory market. Our PT programmes are designed by specialists with daily experience of performing the same accredited measurements that participants are tested on. This translates into realistic measurement scenarios, appropriately prepared test items and reliable reference values.<\/p><p>PT participation is a regulatory requirement \u2014 not a marketing claim. PN-EN ISO\/IEC 17025 clause 7.7 obliges accredited laboratories to monitor their technical competence through interlaboratory comparison or PT programmes. Lack of documented participation in accredited PT can be a basis for non-compliance during a PCA audit and may result in suspension or withdrawal of accreditation. To register for the 2026 round or download programme outlines, contact szkolenia@oikoslab.pl.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c2a56e5 e-flex e-con-boxed e-con e-child\" data-id=\"c2a56e5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-79fa33d elementor-position-inline-end elementor-widget__width-auto elementor-mobile-position-inline-end animated-fast elementor-view-default elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"79fa33d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:50}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-title-dec\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h6 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tFAQ\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h6>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8352b9f elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"8352b9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Proficiency Testing Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-9b91f27 animated-fast vamtam-has-icon-theme-styles elementor-invisible elementor-widget elementor-widget-n-accordion\" data-id=\"9b91f27\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;_animation&quot;:&quot;fadeIn&quot;,&quot;_animation_delay&quot;:250,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1630\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1630\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Why must our accredited laboratory participate in PT? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1630\" class=\"elementor-element elementor-element-fba016d e-con-full e-flex e-con e-child\" data-id=\"fba016d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-baab833 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"baab833\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-3a4e88f elementor-widget elementor-widget-text-editor\" data-id=\"3a4e88f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>PN-EN ISO\/IEC 17025 clause 7.7 obliges laboratories to monitor their technical competence through interlaboratory comparisons or PT programmes. Lack of documented participation in accredited PT can be a basis for a non-compliance finding during a PCA audit and may result in suspension or withdrawal of accreditation. PT is therefore not optional \u2014 it is a structural requirement of the quality system.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1631\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1631\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> How does PT participation work in practice? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1631\" class=\"elementor-element elementor-element-e1ff2b2 e-con-full e-flex e-con e-child\" data-id=\"e1ff2b2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef70259 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ef70259\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-009cb01 elementor-widget elementor-widget-text-editor\" data-id=\"009cb01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>After registration, your laboratory receives the participation agreement, programme instructions and a detailed schedule. Within the designated measurement window, your team carries out measurements using your own equipment and procedures, then submits results to OIKOS in the specified format. We perform statistical analysis under PN-EN ISO\/IEC 17043 and deliver an individual report with your performance score.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1632\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1632\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Are programmes outside the PT 010 scope still useful? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1632\" class=\"elementor-element elementor-element-c69f748 e-con-full e-flex e-con e-child\" data-id=\"c69f748\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c685b1f elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c685b1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-d96e372 elementor-widget elementor-widget-text-editor\" data-id=\"d96e372\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Yes. Programmes marked A fall within the PT 010 accreditation scope and provide formal evidence for PCA audits. Programmes outside this scope are still valuable interlaboratory comparisons that contribute to your quality system and method validation, but they should not be presented as accredited PT in your audit documentation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1633\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1633\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> What is the difference between the accredited programmes and PT-Cr VI? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1633\" class=\"elementor-element elementor-element-e7a5f68 e-con-full e-flex e-con e-child\" data-id=\"e7a5f68\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5c9e4a8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5c9e4a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-04a7b6c elementor-widget elementor-widget-text-editor\" data-id=\"04a7b6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>OIKOS organises nine accredited proficiency-testing programmes \u2014 PT-DR, PT-H, PT-EH, PT-G, PT-ORG, PT-OS, PT-P, PT-HU and PT-M \u2014 under PT 010 (PN-EN ISO\/IEC 17043:2023-10). Programme marked with letter A indicates that the round is accredited. Participation is recognised by PCA auditors as evidence of laboratory competence.<\/p><p>PT-Cr VI is delivered outside the accredited scope. It does not carry accredited status, but is designed and run by the same OIKOS team following the same methodological principles, sample preparation procedures and statistical evaluation framework. Whether to include PT-Cr VI results in your quality management documentation is a decision for the ordering laboratory in light of your accreditation body&#8217;s requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-1634\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-1634\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> When do the 2026 rounds start? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-minus\"><\/i><\/span>\n\t\t\t<span class='e-closed'><i aria-hidden=\"true\" class=\"vamtamtheme- vamtam-theme-plus\"><\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-1634\" class=\"elementor-element elementor-element-82411e9 e-con-full e-flex e-con e-child\" data-id=\"82411e9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0239375 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"0239375\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-3a59e89 elementor-widget elementor-widget-text-editor\" data-id=\"3a59e89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Detailed schedules for each programme round are included in the downloadable programme outlines. For up-to-date information on registration deadlines and measurement windows, contact szkolenia@oikoslab.pl. Most programmes have multiple registration windows during the year so laboratories can join at points that fit their own schedule.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-346c819 e-flex e-con-boxed e-con e-parent\" data-id=\"346c819\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96c7a35 elementor-widget__width-initial animated-fast elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"96c7a35\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeInUp&quot;,&quot;_animation_delay&quot;:100}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Proficiency testing news<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a84032 elementor-widget elementor-widget-shortcode\" data-id=\"9a84032\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><ul class=\"pt-news-list\"><li><a href=\"https:\/\/oikoslab.pl\/en\/pt-010-accreditation-renewed-certificate-valid-from-24-july-2025\/\"><span class=\"pt-news-date\">18.05.2026<\/span><span class=\"pt-news-title\">PT 010 Accreditation Renewed &#8211; Certificate Valid from 24 July 2025<\/span><\/a><\/li><li><a href=\"https:\/\/oikoslab.pl\/en\/new-proficiency-testing-round-pt-cr-vi\/\"><span class=\"pt-news-date\">11.05.2026<\/span><span class=\"pt-news-title\">New Proficiency-Testing Round: PT-Cr(VI) on Filters<\/span><\/a><\/li><\/ul><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f15ffa e-flex e-con-boxed e-con e-parent\" data-id=\"1f15ffa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-49971e9 elementor-widget elementor-widget-heading\" data-id=\"49971e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ready to enrol in OIKOS PT 010 proficiency-testing rounds?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"vamtam-has-theme-widget-styles elementor-element elementor-element-07f3f9e elementor-align-left elementor-widget elementor-widget-button\" data-id=\"07f3f9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-lg\" href=\"\/inquiry\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Request a Quote<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>One of the few PCA-accredited proficiency testing organisers (PT 010) in the Polish OSH and environmental laboratory market. Nine accredited 2026 programmes + PT-Cr VI add-on<br \/>\ncovering noise, vibration, lighting, microclimate, dust, chemicals and hexavalent chromium.<\/p>\n","protected":false},"author":1,"featured_media":991621,"parent":21,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seowing_meta_title":"","_seowing_meta_description":"","_seowing_focus_keyword":"","_seowing_canonical_url":"","_seowing_robots":"","_seowing_robots_noindex":false,"_seowing_robots_nofollow":false,"_seowing_seo_score":0,"footnotes":""},"class_list":["post-987824","page","type-page","status-publish","has-post-thumbnail","hentry"],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/987824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/comments?post=987824"}],"version-history":[{"count":54,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/987824\/revisions"}],"predecessor-version":[{"id":991660,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/987824\/revisions\/991660"}],"up":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/pages\/21"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/media\/991621"}],"wp:attachment":[{"href":"https:\/\/oikoslab.pl\/en\/wp-json\/wp\/v2\/media?parent=987824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}