Pre-examination
Appropriate request, preparation, identification, collection, transport and sample acceptance.
World time
Managed services / Labs & Testing
Science with a human purpose.
A connected laboratory and clinic network for environmental evidence, occupational health, diagnostic insight and decisions that protect people.
COHSEW Laboratory SystemEvidence architectureSample · Method · Quality · Meaning
State-of-the-art laboratory assurance
Every result has a chain of confidence.
COHSEW connects the pre-analytical, analytical and post-analytical stages into one controlled pathway—from the question and sampling plan to method performance, technical authorisation and plain-language interpretation.
04specialist laboratory systems
33detailed test guides online
360°sample-to-decision view
The laboratory network
Four systems.
One quality philosophy.
Each service has its own matrices, methods and professional boundaries, connected by traceability, competence, quality control and responsible communication.
01WQ
Water Quality Laboratory
Microbiological, chemical and operational evidence across drinking, process, recreational and environmental water.
Enter laboratory ↗02AQ
Air Quality Laboratory
Personal, indoor and ambient air programmes designed around sources, exposure and the decisions results must support.
Enter laboratory ↗03ES
Environmental Services Laboratory
Defensible sampling and analysis for soil, sediment, waste, materials, incidents and remediation.
Enter laboratory ↗04OH
Occupational Health & Wellness Clinic Laboratory
Confidential health surveillance, diagnostics, rehabilitation and worker-wellbeing pathways.
Enter laboratory ↗Occupational health at the heart
One clinic pathway—from prevention to precision.
Health surveillance begins with workplace risk. Diagnostic investigation begins with a clinical question. Rehabilitation begins with the person’s goals. COHSEW keeps those purposes clear while connecting the right professionals and evidence.
Explore the clinic laboratory ↗Quality operating system
Designed around the complete examination pathway.
Frameworks guide the system; only verified accreditation scopes and local authorisations establish formal status for a specific laboratory, location, method and date.
Examination
Validated methods, calibrated equipment, competent people and documented quality control.
Post-examination
Technical authorisation, interpretive context, critical communication and secure records.
Improvement
External quality assessment, uncertainty review, incidents, feedback and corrective action.
Independent knowledge page
Open the test portfolio ↗Laboratory Testing Online
Search the clinical and occupational test repertoire by discipline, then open an individual guide explaining why it is requested, how the professional test is performed and what follow-up may be considered.