Backed by the experienced professional staff and stringent procedures, CASSEN provides accurate and rapid services for a very diverse clientele in support of:

  • Indoor and ambient air quality assessments and studies
  • Workplace exposure evaluations
  • Bulk material characterization
  • Odour determination
  • Industrial process emission analysis
  • Arson identification
  • Inorganic gas and sulphur gas analysis
  • Illicit drugs testing
  • Biological monitoring
  • Biota analysis
  • Emission chamber testing
  • Vapour intrusion evaluations
  • Fungicide, pesticide, herbicide determination
  • Leadership in Energy and Environmental Design (LEED) certification analysis
  • Method development for new compounds
  • Contract research and studies
  • Consultation on chemical laboratory reports


For every project we offer our clients the following:

  • Rapid turnaround time – normally 5 working days for routine chemical analysis
  • Responsive client services with a single point of contact project coordinator
  • Sampling kit including sampling media, containers, sampling instructions, field data sheet and other relevant information
  • A stringent quality assurance program – conformance to ISO 17025 Quality Standard to ensure data quality and sample integrity
  • Tracking of sample trends for long term samples
  • Consultation provided by experienced scientists for preparation of a sound analytical plan

CASSEN has consistently demonstrated analytical and problem solving skills that our clients have come to depend on. The loyalty of our clients to our services is based on our vast knowledge and experience in the industry, quality and timely services.