Services
Our five core service areas. Each is underpinned by the same ISO 17025 quality system, calibrated sampling supplies, and transparent turnaround schedule.
Environmental Health
Indoor and ambient air quality, workplace investigations, odour and industrial process emissions, landfill emission characterization, and biological monitoring.
- Indoor Air Quality (IAQ) testing
- Ambient air quality assessments
- Workplace air investigations
- Odour determinations
- Industrial process emissions
- Landfill emission characterization
- Biological monitoring
- Vapour intrusion studies
Occupational Health
Industrial hygiene and occupational exposure evaluations to protect workers and meet regulatory requirements.
- Industrial hygiene monitoring
- Occupational exposure evaluations
- Personal air sampling analysis
- Biological exposure indices
Forensic Investigation
Analytical support for arson, controlled-substance, and litigation matters with data interpretation backed by expert testimony.
- Fire debris / arson accelerant analysis
- Controlled / illicit substance identification
- Data interpretation and litigation support
- Expert witness reporting
Green Building & LEED
IEQ testing for LEED, WELL, and Green Globes projects. CASSEN has delivered LEED air-quality testing since 2010 with turnaround times that fit construction schedules.
- LEED IEQ air testing (since 2010)
- WELL Building Standard testing
- Green Globes certification testing
- Low-emitting materials (LEED EQ 4.4)
- Calibrated sampling pumps, supplies, and media
Plastic Emissions
Analysis of plastic precursors, additives, and decomposition by-products using GC/MS headspace and targeted methods.
- Emissions from furnishings, packaging, adhesives, and consumer products
- Headspace analysis with GC/MS
- Open characterization and target-compound testing
- Additive and precursor screening
Don't see your analyte?
Our specialized-services catalog covers the long tail — mould MVOCs, cannabis/tobacco smoke, coal tar, corrosive inhibitors, arson accelerants, landfill emissions, and more. If it's still not listed, we've built analytical methods from scratch for many one-off studies.