Copyright © 2013 LEHDER Environmental Services Limited. All rights reserved.
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.
All Air Quality aspects – source testing, emission inventories, air dispersion modeling, data
interpretation and approval applications – are managed internally without outsourcing and
partnering. We are here to serve your needs.
Penny McInnis joins the management team at LEHDER
Sid Lethbridge, President of LEHDER Environmental Services is pleased to
announce the appointment of Mrs. Penny McInnis, P.Eng. as Principal and member
of the LEHDER management team.
Mrs. McInnis joins the LEHDER management team of Sid Lethbridge, Des Hayles,
Mike Denomme, Mark Roehler, Peter Pakalnis and Marnie Freer.
Contact LEHDER now to discover how we can support your company.
Welcome to LEHDER
Excellence in Industrial Air Quality Services