October 2006

Maple Leaf Environmental Equipment and Filter Innovations Complete Merger

BROCKVILLE, ON – (October 2006) Calco Environmental Group Ltd. is pleased to announce that the merger between Maple Leaf Environmental Equipment (MLEE) and Filter Innovations Inc. has been completed. The combination of Filter Innovation’s unique industrial filtration application experience, design experience, and turnkey solutions capabilities coupled with MLEE’s engineering, manufacturing, and customer support capabilities, provides companies with innovative, cost effective solutions to their industrial air and water filtration needs that have not been previously available in the market. MLEE and Filter Innovations are excited to implement this new partnership reflecting our continued growth and the increasingly sophisticated requirements by our clients for remediation and industrial systems.

About Maple Leaf Environmental Equipment:

Maple Leaf Environmental Equipment designs, builds, commissions, and supports systems for soil remediation and industrial applications. The systems range from single well pumping systems to large combined soil vapor extraction/groundwater pump and treatment systems. Systems are highly customized with sophisticated control systems, designed specifically to provide innovative solutions for our customers’ unique requirements. MLEE also distributes a range of environmental products which includes pumps, sampling equipment, air strippers, and carbon filters. MLEE is the Canadian master distributor for QED, the leading manufacturer of groundwater sampling equipment in North America and pioneers of MicroPurge sampling. Key customers include leading environmental engineering consulting firms, and large environmental contracting firms. Sales and support in Canada and the United States are provided through an established network of highly respected business partners. MLEE is known in the industry for its professional, long term approach to the business, delivering quality solutions to support our business partners and customers success.

About Filter Innovations Inc.:

Filter Innovations is a leading provider of treatment solutions for process water, wastewater, ground water, and air. Turnkey solutions include Air Scrubber Systems, Airstreme/Biostreme Systems, Chemical Waste Treatment Systems, Dissolved Air Flotation Systems, Engineered Filter Systems, Membrane Bio Reactor Systems, Slant Screen/Revo Screen Systems, Rotating Biodisk Contactor Systems, and Ultra Filtration Systems. Filter Innovations also supplies a complete range of products to support clients’ filtration needs that include auto self cleaning filters, carbon, carbon vessels, cartridges/canisters/bags/roll media, coalescers/oil water separators, disposable drums, electrostatic rods, filter bags/cartridges, vessels/sand filters, filtral/organo clay, flow and plug systems, Nano and RO membranes, pumps and accessories, sand filters, self indexing filters, and ultra filtration cleaners.

For further information, please contact:

Maple Leaf Environmental Equipment Ltd.
Phone: (613)-498-1876
www.mleequipment.com