{"id":18950,"date":"2023-11-20T11:22:03","date_gmt":"2023-11-20T10:22:03","guid":{"rendered":"https:\/\/tera-environnement.com\/air-analysis\/ambient-air-outdoor-air\/"},"modified":"2025-12-09T13:06:16","modified_gmt":"2025-12-09T12:06:16","slug":"ambient-air-outdoor-air","status":"publish","type":"page","link":"https:\/\/tera-environnement.com\/en\/air-analysis\/ambient-air-outdoor-air\/","title":{"rendered":"Ambient air \/ Outdoor air"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"18950\" class=\"elementor elementor-18950 elementor-2023\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b7f1f2f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b7f1f2f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-514e8959\" data-id=\"514e8959\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6e487d elementor-widget elementor-widget-shortcode\" data-id=\"6e487d\" 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 id=\"breadcrumbs\"><li><a href=\"https:\/\/tera-environnement.com\/en\/\">Home<\/a><\/li><\/ul><\/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-1a41026b elementor-widget__width-auto elementor-widget elementor-widget-image\" data-id=\"1a41026b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"68\" height=\"69\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/09\/fleche-grise.png\" class=\"attachment-large size-large wp-image-389\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d1bf0 elementor-widget__width-auto elementor-widget elementor-widget-heading\" data-id=\"7d1bf0\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Ambient air \/ Outdoor air<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-3ece117 e-flex e-con-boxed e-con e-parent\" data-id=\"3ece117\" 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-33dbbf6 elementor-widget elementor-widget-spacer\" data-id=\"33dbbf6\" 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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c63346 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c63346\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-12ac49b\" data-id=\"12ac49b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0248e29 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0248e29\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"512\" height=\"341\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/12\/unnamed.jpg\" class=\"attachment-medium_large size-medium_large wp-image-2344\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/12\/unnamed.jpg 512w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/12\/unnamed-300x200.jpg 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2595be6\" data-id=\"2595be6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-44aa18c elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"44aa18c\" 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<h2 class=\"elementor-heading-title elementor-size-default\">Why take ambient air measurements?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48ef069 elementor-widget elementor-widget-spacer\" data-id=\"48ef069\" 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-d1acd76 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d1acd76\" 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>Ambient air quality is an important issue for human health and the environment. There are regulations at European and national level to monitor, assess and prevent air pollution and its harmful effects. <\/p><p>At European level, the main directives governing ambient air quality are:<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-958a18f e-flex e-con-boxed e-con e-parent\" data-id=\"958a18f\" 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-abef391 elementor-widget elementor-widget-spacer\" data-id=\"abef391\" 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\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4b46758 e-con-full e-flex e-con e-parent\" data-id=\"4b46758\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6c3466d e-con-full e-flex e-con e-child\" data-id=\"6c3466d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-08c9c3c elementor-widget elementor-widget-text-editor\" data-id=\"08c9c3c\" 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<ul><li aria-level=\"1\">Directive 2008\/50\/EC of May 21, 2008 on ambient air quality and cleaner air for Europe. This directive sets limit values, target values and alert thresholds for various atmospheric pollutants, such as sulfur dioxide, nitrogen dioxide, fine particles, ozone, benzene and lead. It also requires Member States to put in place air quality plans and short-term measures in the event oh thresholds being exceeded.  <\/li><li aria-level=\"1\">Directive 2004\/107\/EC of December 15, 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air. This directive sets target values for these pollutants, which are considered to be carcinogenic substances. It also requires Member States to assess the concentration of these pollutants in ambient air and to reduce their exposure.  <\/li><\/ul><p>At national level, French regulations specify the implementation of European directives, or even supplement them. National air quality criteria are defined in: <\/p><ul><li aria-level=\"1\">The Environment Code (articles R221-1 to R221-3), which transposes European directives and sets limit values, target values, alert thresholds and quality objectives for atmospheric pollutants. It also sets out the procedures for monitoring air quality, informing the public and managing pollution episodes. <\/li><li aria-level=\"1\">The decree of October 21, 2010, which amends the Environment Code and introduces stricter limit values for fine particulate matter (PM2.5) and ozone, in line with Directive 2008\/50\/EC.<\/li><li aria-level=\"1\">The Order of April 16, 2021 on the national ambient air quality monitoring system, which sets out the missions of the players in the national air quality monitoring system and the applicable technical requirements.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6138649 elementor-widget elementor-widget-spacer\" data-id=\"6138649\" 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-e6de2d0 elementor-widget elementor-widget-text-editor\" data-id=\"e6de2d0\" 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> Some examples of ambient air measurement applications are listed below:<\/p><ul><li style=\"list-style-type: none;\"><ul><li>Monitoring emissions from road traffic<\/li><li>Measurements downstream of industrial accidents<\/li><li>Olfactory disorders, characterization of odorous compounds<\/li><li>Site surveillance<\/li><li>Impact on the environment and local residents<\/li><li>Quantitative assessment of health hazards (EQRS)<\/li><\/ul><\/li><\/ul>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-aab8f3f e-con-full e-flex e-con e-parent\" data-id=\"aab8f3f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0fab537 e-con-full e-flex e-con e-child\" data-id=\"0fab537\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce4c0ed elementor-widget elementor-widget-heading\" data-id=\"ce4c0ed\" 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<h2 class=\"elementor-heading-title elementor-size-default\">What compounds are measured in Ambient Air? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75fb797 elementor-widget elementor-widget-text-editor\" data-id=\"75fb797\" 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>TERA Environnement offers analysis of a wide range of chemical contaminants.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e63f513 elementor-widget elementor-widget-accordion\" data-id=\"e63f513\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2411\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2411\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Volatile Organic Compounds (VOCs) and Screening for major VOCs<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2411\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2411\"><p>TERA Environnement can analyze over 500 VOCs, including<\/p>\n<ul>\n<li aria-level=\"1\">Aromatic and aliphatic hydrocarbons<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\">TPH (Total Petroleum Hydrocarbons) fractions from C5 to C16<\/li>\n<\/ul>\n<ul>\n<li aria-level=\"1\">Oxygenates including methanol, phenol and cresols :<\/li>\n<\/ul>\n<p>Methanol; Ethanol; Tert-butanol; 1-Butanol; 1-Propanol; 2-Butanol (Sec-Butanol); 2-Propanol (IPA); Isobutanol; Phenol; o-Cresol; m-Cresol; p-Cresol etc.<\/p>\n<ul>\n<li aria-level=\"1\">Volatile Organic Halogenated Compounds or Halogenated VOCs :<\/li>\n<\/ul>\n<p>Vinyl chloride monomer (VCM); Dibromomethane; Trichloromethane (Chloroform); Tetrachloromethane (CCl<sub>4<\/sub>); 1,2-Dichloroethane (1,2-DCE); 1,1-Dichloroethylene; Cis 1,2 Dichloroethylene; 1,1,1 Trichloroethane ; Trichloroethylene; Tetrachloroethylene (Perchloroethylene); 1,2-Dichloropropane; Trans 1,3 Dichloropropene; Cis 1,3 Dichloropropene; Trans 1,2 Dichloroethylene; 1,1,2-Trichloroethane; 1,1 Dichloroethane; Chloroethane<\/p>\n<ul>\n<li aria-level=\"1\">Mercaptans and sulfur compounds :<\/li>\n<\/ul>\n<p>Tert-Butylthiol; Methanethiol; Ethanethiol; 1-Propanethiol; 2-Propanethiol; 1-Butanethiol; 2-Butanethiol; Dimethyl sulfide (DMS); Carbon Disulfide (CS<sub>2<\/sub>); Dimethyl Disulfide (DMDS); Dimethyl Trisulfide (DMTS)<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2412\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2412\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Acid gases and amines<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2412\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2412\"><ul>\n<li aria-level=\"1\">Acid gases : <\/li>\n<\/ul>\n<p>Hydrogen sulfide (H<sub>2<\/sub>S); Ammonia (NH<sub>3<\/sub>); Hydrochloric acid (HCl); Hydrofluoric acid (HF); Total cyanides; Sulfur dioxide (SO<sub>2<\/sub>); Nitrogen dioxide (NO<sub>2<\/sub>); Nitrogen monoxide (NO) etc.<\/p>\n<ul>\n<li aria-level=\"1\">Amines :<\/li>\n<\/ul>\n<p>Allylamine; Diethylamine; Dimethylamine; Dipropylamine; Ethanolamine (2-aminoethanol); Ethylamine; Methylamine; N-Butylamine; Triethylamine; Trimethylamine<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2413\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2413\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Aldehydes<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2413\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2413\"><ul>\n<li>Formald\u00e9hyde ; Ac\u00e9tald\u00e9hyde ; Propanal ; Butanal ; Benzald\u00e9hyde ; Isopentanal ; Pentanal ; Hexanal ; 2-Butenal ; Acrol\u00e9ine (2-Prop\u00e9nal) ; Ac\u00e9tone<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2414\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2414\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Particulate matter<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2414\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2414\"><ul>\n<li>PM 10 PM 2.5<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2415\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-2415\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Metals including heavy metals, gaseous mercury and rare-earth elements<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2415\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-2415\"><ul>\n<li>Aluminium (Al) ; Antimoine (Sb) ; Argent (Ag) ; Arsenic (As) ; Baryum (Ba) ; B\u00e9ryllium (Be) ; Bore (B) ; Cadmium (Cd) ; C\u00e9rium (Ce) ; C\u00e9sium (Cs) ; Chrome (Cr) ; Cobalt (Co) ; Cuivre (Cu) ; Dysprosium (Dy) ; Erbium (Er) ; \u00c9tain (Sn) ; Europium (Eu) ; Fer (Fe) ; Gadolinium (Gd) ; Gallium (Ga) ; Germanium (Ge) ; Hafnium (Hf) ; Holmium (Ho) ; Lanthane (La) ; Lithium (Li) ; Lut\u00e9cium (Lu) ; Mangan\u00e8se (Mn) ; Mercure (Hg) particulaire &amp; gazeux, Molybd\u00e8ne (Mo) ; N\u00e9odyme (Nd) ; Nickel (Ni) ; Niobium (Nb) ; Or (Au) ; Palladium (Pd) ; Phosphore (P) ; Platine (Pt) ; Plomb (Pb) ; Pras\u00e9odyme (Pr) ; Rh\u00e9nium (Re) ; Rhodium (Rh) ; Rubidium (Rb) ; Ruth\u00e9nium (Ru) ; Samarium (Sm) ; Scandium (Sc) ; S\u00e9l\u00e9nium (Se) ; Silicium (Si) ; Strontium (Sr) ; Tantale (Ta) ; Tellure (Te) ; Terbium (Tb) ; Thallium (Tl) ; Thulium (Tm) ; Titane (Ti) ; Uranium (U) ; Vanadium (V) ; Ytterbium (Yb) ; Yttrium (Y) ; Zinc (Zn) ; Zirconium (Zr)   <\/li>\n<\/ul>\n<div class=\"notranslate\" style=\"all: initial;\"> <\/div>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2416\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-2416\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Polycyclic Aromatic Hydrocarbons (PAH)<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2416\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-2416\"><ul>\n<li>Naphthalene; Acenaphthene; Fluorene; Phenanthrene; Anthracene; Fluoranthene; Pyrene; Benzo(a)Anthracene; Chrysene; Benzo(b+j)Fluoranthene; Benzo(k)Fluoranthene; Benzo(a)Pyrene (BaP); DiBenzo(a,h)Anthracene; Benzo(g,h,i)Perylene; Indeno(1,2,3,c,d)pyrene; Acenaphthylene<\/li>\n<\/ul>\n<div class=\"notranslate\" style=\"all: initial;\"> <\/div>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2417\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"button\" aria-controls=\"elementor-tab-content-2417\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Crystalline silica<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2417\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"region\" aria-labelledby=\"elementor-tab-title-2417\"><ul>\n<li>Quartz; Cristobalite; Tridymite<\/li>\n<\/ul>\n<div class=\"notranslate\" style=\"all: initial;\"> <\/div>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2418\" class=\"elementor-tab-title\" data-tab=\"8\" role=\"button\" aria-controls=\"elementor-tab-content-2418\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Elemental carbon and organic carbon <\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2418\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"8\" role=\"region\" aria-labelledby=\"elementor-tab-title-2418\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2419\" class=\"elementor-tab-title\" data-tab=\"9\" role=\"button\" aria-controls=\"elementor-tab-content-2419\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Hexavalent Chromium (Cr(VI))<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2419\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"9\" role=\"region\" aria-labelledby=\"elementor-tab-title-2419\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-24110\" class=\"elementor-tab-title\" data-tab=\"10\" role=\"button\" aria-controls=\"elementor-tab-content-24110\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">PFAS (substances per- et polyfluoroalkyl\u00e9es)<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-24110\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"10\" role=\"region\" aria-labelledby=\"elementor-tab-title-24110\"><p>Please contact us<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-24111\" class=\"elementor-tab-title\" data-tab=\"11\" role=\"button\" aria-controls=\"elementor-tab-content-24111\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Nitrosamines<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-24111\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"11\" role=\"region\" aria-labelledby=\"elementor-tab-title-24111\"><ul>\n<li>N-Nitrosopyrrolidine (NPYR) ; N-Nitrosopip\u00e9ridine (NPIP) ; N-Nitrosom\u00e9thyl\u00e9thylamine (NMEA) ; N-Nitrosodi\u00e9thylamine (NDEA) ; N-Nitrosomorpholine (NMOR) ; N-Nitrosodipropylamine (NDPA) ; N-Nitrosodim\u00e9thylamine (NDMA) ; N-Nitrosodibutylamine (NDBA)<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\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<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e53a75 elementor-widget elementor-widget-spacer\" data-id=\"3e53a75\" 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<div class=\"elementor-element elementor-element-566ed74 e-con-full e-flex e-con e-parent\" data-id=\"566ed74\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ff868fb e-con-full e-flex e-con e-child\" data-id=\"ff868fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1a6979 elementor-widget elementor-widget-heading\" data-id=\"d1a6979\" 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<h2 class=\"elementor-heading-title elementor-size-default\">What sampling equipment is available for your ambient air measurements? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3899ccf elementor-widget elementor-widget-text-editor\" data-id=\"3899ccf\" 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>TERA Environnement can supply and\/or rent the sampling media and equipment needed for the analyses you require.<\/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-cec9e4c elementor-hidden-desktop elementor-hidden-tablet elementor-hidden-mobile e-flex e-con-boxed e-con e-child\" data-id=\"cec9e4c\" 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-617e298 buton elementor-widget elementor-widget-button\" data-id=\"617e298\" 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-sm\" href=\"https:\/\/tera-environnement.com\/en\/rental\/monitoring-stations\/\">\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\">Sampling media and equipment<\/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<div class=\"elementor-element elementor-element-5316bfc buton elementor-widget elementor-widget-button\" data-id=\"5316bfc\" 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-sm\" href=\"https:\/\/tera-environnement.com\/en\/rental\/monitoring-stations\/\">\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\">Monitoring stations<\/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 class=\"elementor-element elementor-element-3205058 elementor-widget__width-initial elementor-widget elementor-widget-accordion\" data-id=\"3205058\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5241\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-5241\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Passive samplers <\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-5241\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-5241\"><ul>\n<li aria-level=\"1\">Radiello\u00ae (code 130; code 141; code 145; code 147; code 165; code 166; code 168; code 169; code 170)<\/li>\n<li>Ogawa for NOx<\/li>\n<li aria-level=\"1\">Owen gauges <\/li>\n<li aria-level=\"1\">SKC passive badges for gaseous mercury<\/li>\n<li aria-level=\"1\">DIEM deposition plates<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\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<div class=\"elementor-element elementor-element-c5ee056 elementor-widget elementor-widget-text-editor\" data-id=\"c5ee056\" 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>Passive samplers are used for on-site exposure between 8 hours and 7 days, and do not require the use of sampling pumps.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a778886 elementor-widget__width-initial elementor-widget elementor-widget-accordion\" data-id=\"a778886\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1751\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1751\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Active sampler<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1751\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1751\"><ul>\n<li aria-level=\"1\">Quartz and PVC filters <\/li>\n<li aria-level=\"1\">Impregnated filters<\/li>\n<li aria-level=\"1\">DNPH cartridges<\/li>\n<li aria-level=\"1\">Activated carbon tubes, silica gel tubes, Thermosorb\/N tubes for nitrosamines<\/li>\n<li aria-level=\"1\">Thermodesorption tubes <\/li>\n<li aria-level=\"1\">Bubblers and bubbling solutions <\/li>\n<li aria-level=\"1\">Canisters<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\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<div class=\"elementor-element elementor-element-94b0842 elementor-widget elementor-widget-text-editor\" data-id=\"94b0842\" 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>Active samplers are used in conjunction with sampling pumps, and are designed for measurements lasting from a few hours to a day.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9974eeb elementor-widget__width-initial elementor-widget elementor-widget-accordion\" data-id=\"9974eeb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1601\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1601\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Sampling equipment<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1601\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1601\"><ul>\n<li aria-level=\"1\">Pumps <\/li>\n<li aria-level=\"1\">Cyclones for respirable fraction<\/li>\n<li>Veriflow for canister sampling<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1602\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1602\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\"> Stations for real-time measurements<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1602\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1602\"><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a54fcf e-flex e-con-boxed e-con e-child\" data-id=\"2a54fcf\" 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-32739c2 buton elementor-widget elementor-widget-button\" data-id=\"32739c2\" 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-sm\" href=\"https:\/\/tera-environnement.com\/en\/rental\/samplers\/\">\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\">Samplers and equipment<\/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<div class=\"elementor-element elementor-element-a322037 buton elementor-widget elementor-widget-button\" data-id=\"a322037\" 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-sm\" href=\"https:\/\/tera-environnement.com\/en\/rental\/monitoring-stations\/\">\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\">Monitoring stations<\/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\t\t<div class=\"elementor-element elementor-element-59d8693 elementor-widget elementor-widget-spacer\" data-id=\"59d8693\" 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<div class=\"elementor-element elementor-element-373e706 e-con-full e-flex e-con e-parent\" data-id=\"373e706\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9743684 e-con-full e-flex e-con e-child\" data-id=\"9743684\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6da154c elementor-widget elementor-widget-heading\" data-id=\"6da154c\" 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<h2 class=\"elementor-heading-title elementor-size-default\">Which parameters are available under COFRAC accreditation? <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5e2b04 elementor-widget elementor-widget-text-editor\" data-id=\"b5e2b04\" 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>TERA Environnement is COFRAC accredited in Ambient Air for VOCs, aldehydes, acids, total dust and metals.<\/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-ebcbb94 e-flex e-con-boxed e-con e-child\" data-id=\"ebcbb94\" 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-f122e37 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"f122e37\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"92\" height=\"153\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2023\/12\/unnamed2.jpg\" class=\"attachment-full size-full wp-image-2361\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ae3195 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"3ae3195\" 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>Consult our scopes of accreditation: Accr\u00e9ditation Cofrac Essais 1-5598 et 1-5599, list of sites and scopes available on www.cofrac.fr\/en<\/p><p><strong><a href=\"https:\/\/tools.cofrac.fr\/annexes\/sect1\/1-5598.pdf\">Scope of our Crolles laboratory: 1-5598<\/a>  Fuveau laboratory: 1-5599 <\/strong><strong><a href=\"https:\/\/tools.cofrac.fr\/annexes\/sect1\/1-5599.pdf\">Scope of our Fuveau laboratory: 1-5599<\/a><\/strong><\/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\t\t<div class=\"elementor-element elementor-element-ad10220 elementor-widget elementor-widget-accordion\" data-id=\"ad10220\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1811\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1811\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Accredited parameters*<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1811\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1811\"><ul>\n<li aria-level=\"1\">VOCs: Benzene; Toluene; Ethylbenzene; o-Xylene; (m+p) Xylene (BTEX) and 1,2-Dichloroethane (1,2-DCE) on passive sampler Radiello code 145<\/li>\n<li aria-level=\"1\">1,3-Butadiene on canister and thermodesorption tube<\/li>\n<li aria-level=\"1\">Aldehydes (Acetaldehyde; Hexanal; Formaldehyde; Propanal; Pentanal (Valeraldehyde); Benzaldehyde) on passive support Radiello code 165<\/li>\n<li aria-level=\"1\">Nitrogen dioxide (NO<sub>2<\/sub>) and hydrofluoric acid (HF) on passive sampler Radiello code 166<\/li>\n<li aria-level=\"1\">Ammonia (NH<sub>3<\/sub>) on passive sampler Radiello code 168<\/li>\n<li aria-level=\"1\">Hydrochloric acid (HCl) on passive sampler Radiello code 169<\/li>\n<li aria-level=\"1\">Hydrogen sulfide (H<sub>2<\/sub>S) on passive sampler Radiello code 170<\/li>\n<li aria-level=\"1\">Nitrogen Monoxide (NO) and Nitrogen Dioxide (NO<sub>2<\/sub>) on Ogawa passive sampler<\/li>\n<li aria-level=\"1\">Total dust on Owen gauge<\/li>\n<li aria-level=\"1\">Metals (Antimony (Sb); Arsenic (As); Cadmium (Cd); Cobalt (Co); Copper (Cu); Manganese (Mn); Nickel (Ni); Lead (Pb); Vanadium (V)) on 47 mm quartz filter<\/li>\n<li aria-level=\"1\">Gaseous mercury (Hg) on passive badge and active tube<\/li>\n<li aria-level=\"1\">PFAS (per- and polyfluoroalkyl substances): Linear PFOS (CAS 1763-23-1); PFHxA (CAS 307-24-4); PFOA (CAS 335-67-1); 8:2 FTSA (CAS 39108-34-4); FOSA (CAS 754-91-6) on 47mm quartz filter for PFAS and on polyethylene gauge for PFAS<\/li>\n<li aria-level=\"1\">Nitrosamines: N-Nitrosopyrrolidine (NPYR); N-Nitrosopiperidine (NPIP); N-Nitrosomethylethylamine (NMEA); N-Nitrosodiethylamine (NDEA); N-Nitrosomorpholine (NMOR); N-Nitrosodipropylamine (NDPA); N-Nitrosodimethylamine (NDMA); N-Nitrosodibutylamine (NDBA) on Thermosorb\/N tube<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a44087 e-flex e-con-boxed e-con e-child\" data-id=\"7a44087\" 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-0adedb0 buton elementor-widget elementor-widget-button\" data-id=\"0adedb0\" 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-sm\" href=\"https:\/\/tera-environnement.com\/en\/we-are\/our-missions\/accreditations-certifications\/\">\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\">Accreditations and certifications<\/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<div class=\"elementor-element elementor-element-76ff07b e-con-full e-flex e-con e-child\" data-id=\"76ff07b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aea4050 elementor-widget elementor-widget-spacer\" data-id=\"aea4050\" 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-288cd0a elementor-widget elementor-widget-heading\" data-id=\"288cd0a\" 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<h2 class=\"elementor-heading-title elementor-size-default\">Health Risk Assessment (HRA) <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9161ca elementor-widget elementor-widget-text-editor\" data-id=\"e9161ca\" 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>Today, health risk assessment (HRA) is an essential step in guaranteeing the health safety of populations exposed to potentially dangerous chemical or biological substances. For operators of classified installations (ICPE in France) and site managers, this method represents not only a regulatory obligation, but also a commitment to public health.<br>As a laboratory specialising in air quality analysis, we can help you with your measurements and carry out air analyses as part of the HRA. <\/p><p><strong>What is HRA?<\/strong><br>Developed in the 1980s in the United States by the National Research Council (NRC) and the US-EPA, HRA is defined as the use of scientific evidence to assess the health effects of exposure to hazardous substances or situations.<\/p><p>It is based on a key distinction:<\/p><ul><li><strong>Hazard:<\/strong> Any source (chemical, physical or biological) likely to cause harm.<\/li><li><strong>Risk: <\/strong>The probability of harm occurring if exposed to this hazard.<\/li><\/ul><p><em>In other words, risk only exists if a subject is exposed to a hazard.<\/em><\/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-77e9685 e-con-full e-flex e-con e-child\" data-id=\"77e9685\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5646f23 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"5646f23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"392\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS-1024x502.png\" class=\"attachment-large size-large wp-image-12970\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS-1024x502.png 1024w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS-300x147.png 300w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS-768x376.png 768w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS-1536x752.png 1536w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS-600x294.png 600w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2025\/01\/EQRS.png 1874w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\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<div class=\"elementor-element elementor-element-2befdc3 elementor-widget elementor-widget-text-editor\" data-id=\"2befdc3\" 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><strong>HRA&#8217;s 4 key stages:<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07f21ab elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-pagination-position-inside elementor-widget elementor-widget-slides\" data-id=\"07f21ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;,&quot;transition_speed&quot;:500}\" data-widget_type=\"slides.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper\">\n\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Diapositives\" dir=\"ltr\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-7a48987 swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><div class=\"elementor-slide-heading\">1- Hazard identification<\/div><div class=\"elementor-slide-description\"><p>Analysis of substances present on the site based on reliable scientific data and a review of the literature.<\/p>\n<\/div><\/div><\/div><\/div><div class=\"elementor-repeater-item-8074b9f swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><div class=\"elementor-slide-heading\">2- Toxicity assessment (dose-response relationship)<\/div><div class=\"elementor-slide-description\"><p>Each substance is studied to establish a dose-response relationship, often expressed as a Toxicological Reference Value (TRV). <\/p>\n<\/div><\/div><\/div><\/div><div class=\"elementor-repeater-item-c485f1a swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><div class=\"elementor-slide-heading\">3- Exposure estimation<\/div><div class=\"elementor-slide-description\"><p>Modeling potential exposures based on environmental data, such as weather conditions or site characteristics.<\/p>\n<\/div><\/div><\/div><\/div><div class=\"elementor-repeater-item-59a82b6 swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><div class=\"elementor-slide-heading\">4- Risk characterization<\/div><div class=\"elementor-slide-description\"><p>Calculation of hazard ratios for threshold effects (such as respiratory disorders) and assessment of impact for non-threshold effects (e.g., the number of cancers attributable to exposure).<\/p>\n<\/div><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Previous slide\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-left\"><\/i>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Next slide\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"eicon-chevron-right\"><\/i>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\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<div class=\"elementor-element elementor-element-065b3d0 elementor-widget elementor-widget-text-editor\" data-id=\"065b3d0\" 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><strong>Why entrust us with your measurements?<\/strong><\/p><p>Since the introduction of the law of 30 December 1996, which made it compulsory to include a health component in impact studies for ICPE, HRA has become a regulatory requirement in France.<\/p><p>We can intervene at various stages of the HRA:<\/p><ul><li><strong>Hazard identification<\/strong><br>We supply the equipment needed to carry out measurement campaigns to identify the substances present on your sites. We provide user guides and our engineers are available to answer any questions you may have about setting up sampling media <\/li><li><strong>Tools for estimating exposure<\/strong><br>We offer solutions such as renting monitoring stations to collect the data needed to model pollutant dispersion.<\/li><li>Sensitivity and reliability of analyses<br>Our limits of quantification (LOQs) are low, well below TRVs, guaranteeing accurate identification of contaminants, even at very low concentrations.<\/li><\/ul><p>In other words, for Quantitative Health Risk Assessment (QHRA), a sub-category of HRA, it is essential to be able to detect low concentrations. TERA Environnement can provide you with suitable quantification limits for quantitative risk assessment. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e79d95c elementor-widget elementor-widget-text-editor\" data-id=\"e79d95c\" 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><strong>An overview of some of our analytical performances:<\/strong><\/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-d2b3e53 e-grid e-con-full e-con e-child\" data-id=\"d2b3e53\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ee73c4 elementor-widget elementor-widget-text-editor\" data-id=\"2ee73c4\" 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<ul><li><strong>1,3-butadiene:<\/strong> LQ= 5.6 ng\/sampler (thermodesorption tube) and 0.14 ng\/sampler (6L canister)<\/li><li><strong>Benzene:<\/strong> LOQ = 5 ng\/sampler (passive badge) \u2013 analysis possible under COFRAC* accreditation with LOQ = 40 ng\/sampler<\/li><li><strong>TEX<\/strong> (Toluene, Ethylene, Xylene) : LOQ = 5 ng \/sampler (passive badge) \u2013 analysis possible under COFRAC* accreditation with LOQ = 40 ng \/ support<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b02317 elementor-widget elementor-widget-text-editor\" data-id=\"0b02317\" 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<ul><li>Mercury: LOQ = 5 ng\/sampler (passive badge)<\/li><li><strong>Other metals :<\/strong><br>Lead: LOQ = 7.5 ng\/sampler (quartz filter) under COFRAC* accreditation<br>Copper : LOQ = 150 ng\/sampler (quartz filter) under COFRAC* accreditation<\/li><\/ul>\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<\/div>\n\t\t<div class=\"elementor-element elementor-element-404abe1 e-con-full e-flex e-con e-child\" data-id=\"404abe1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c83ec15 elementor-widget elementor-widget-image\" data-id=\"c83ec15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"195\" src=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2024\/01\/ampoule-300x195.jpg\" class=\"attachment-medium size-medium wp-image-2509\" alt=\"\" srcset=\"https:\/\/tera-environnement.com\/wp-content\/uploads\/2024\/01\/ampoule-300x195.jpg 300w, https:\/\/tera-environnement.com\/wp-content\/uploads\/2024\/01\/ampoule.jpg 395w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ad84b24 elementor-widget elementor-widget-text-editor\" data-id=\"ad84b24\" 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>TERA Environnement has extensive experience in the field of ambient air analysis. We also offer 31 accredited ambient air parameters! <\/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<div class=\"elementor-element elementor-element-3631ff9 e-flex e-con-boxed e-con e-child\" data-id=\"3631ff9\" 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-9c6da0a buton elementor-widget elementor-widget-button\" data-id=\"9c6da0a\" 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-sm\" href=\"mailto:commercial@tera-environnement.com\">\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\">Quote request<\/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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d5fff77 e-flex e-con-boxed e-con e-parent\" data-id=\"d5fff77\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\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>Why take ambient air measurements? Ambient air quality is an important issue for human health and the environment. There are regulations at European and national level to monitor, assess and prevent air pollution and its harmful effects. At European level, the main directives governing ambient air quality are: Directive 2008\/50\/EC of May 21, 2008 on [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":7055,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-18950","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Indoor air, outdoor air analysisCliquez pour utiliser cette solution<\/title>\n<meta name=\"description\" content=\"To measure ambient and outdoor air, TERA Environnement offers analysis of a wide range of chemical contaminants.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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