Subjects under inspection are workplaces, and respondents of the questionnaires are the workplace manager and a work environment representative or shop steward.  Inclusion Criteria:  • Workplaces (production units) who receives a WEA notice during WEA inspection through the period of intervention. The following WEA notices are included:  Immediate improvement notice Notice with time limit (material)  Exclusion Criteria:  Companies with 0-1 employees. Production units from the construction industry met on temporary worksites (such as construction sites) that have more than one employee and does not have a certified occupational health and safety management system. Companies receiving notices only about issues in the formal/procedural aspects of the work environment (such as flaws in the workplace risk assessment) and no other notices. Companies receiving more than four reactions from WEA at the inspection (as these receive a competency notice and are not included in the study). Companies that receive a prohibition notice by the WEA inspector due to severity of work environment violations. A WEA improvement notice is not eligible for inclusion in the study if the workplace has entered into a collaborative agreement with WEA on improvement of the issue, or if they have received a competency notice on the WEA issue. Companies receiving WEA inspections in relation to initiatives targeting social dumping