Professional resources
Access application documents, accreditation guidance, professional ethics information, assessment references, and core industrial hygiene practice resources.
2026 assessment resources
Download the available PDF references for candidates preparing for the 2026 RIH (SG) oral interview and RAIH (SG) multiple-choice examination.
Download the assessment rubrics for the 2026 RIH oral interview and RAIH MCQ examination.
Download PDFDownload the formula reference for candidates preparing for the 2026 RIH oral interview and RAIH MCQ examination.
Download PDFDownload the candidate briefing for the 2026 RIH and RAIH oral interview and written examination.
Download PDFApplication documents
Review the published application, assessment, certification, and re-certification requirements for RAIH (SG) and RIH (SG).
Download guidelinesComplete the official application form and submit it with the required supporting documents and evidence.
Download application formReview the submission stages, evidence requirements, assessment routes, fees, and certification period before applying.
View application processScheme references
Compare the education, OH/IH coursework, practical experience, assessment, and professional conduct requirements for RAIH (SG) and RIH (SG).
Review accreditation criteriaRead the ethical duties relating to competence, integrity, confidentiality, conflicts of interest, professional judgement, and continuing knowledge.
Read the Code of EthicsUse the registry to review recognised practitioners and available certification status information.
View registryCore IH practice
Foreseeing potential workplace health hazards before exposure problems arise.
Identifying existing hazards in the workplace that may affect worker health.
Applying suitable monitoring, sampling, assessment, and interpretation methods to understand exposure.
Recommending and supporting practical measures that reduce exposure and safeguard worker health.
Document control
Applicants should confirm current deadlines, fees, forms, assessment arrangements, and document requirements with the RIH (SG) Secretariat before submitting an application.
For clarification on the applicable pathway or required supporting evidence, contact the Secretariat through the enquiry page.
Need clarification?
Send an enquiry about application documents, accreditation requirements, assessment arrangements, registry verification, or professional resources.