CASSEN Testing Labs is a specialized environmental and occupational health laboratory located in Toronto, Canada. With broad-based technological expertise in environmental health focused research, our objectives are to provide high quality analytical services in identifying ultra trace level contamination and to develop innovative techniques in chemical sampling, monitoring and emission testing. We specialize in mass spectrometry and chromatographic solutions in characterizing and detecting toxic airborne organics as well as odorous compounds. Our services include: • Indoor and ambient air quality assessments and studies • Workplace investigations • Occupational exposure evaluations • Odour determinations • Industrial process emissions • Landfill sites emission characterization • Biological monitoring • Leadership in Energy and Environmental Design (LEED) Certification We also provide specialized services for testing of gases and sulphur compounds. Accredited by the American Industrial Hygiene Association (AIHA) in the Industrial Hygiene Laboratory Accreditation Program (IHLAP) as documented by the Scope of Accreditation Certificate, CASSEN conforms and operates strictly according to the requirements of the ISO17025 Quality Standard. In addition, CASSEN also participates in the United Kingdom’s Workplace Analysis Scheme for Proficiency (WASP) program as well as AIHA’s Industrial Hygiene Proficiency Analytical Testing (IHPAT) Program.