LEHDER Environmental Services is an environmental consulting company focused on providing Excellence in Industrial Air Quality Services.
Formed in 1995, LEHDER is now one of the largest Air Quality Management companies in Canada; please refer to the LEHDER Profile or LEHDER's Overview of Services for more information. Contact LEHDER now to discover how we can support your company.
Air Dispersion Modelling (42 KB)
Environmental Compliance Approval (198 KB)
Fenceline Monitoring (42 KB)
LEHDER Overview of Services (68 KB)
Local Air Quality - O.Reg.419 (61 KB)
Odor Evaluations (39 KB)
Source Emission Inventories (43 KB)
Source Testing (44 KB)
Toxics Reduction Strategy (43 KB)