RadonBC - Double A Services Got Radon? Contact Radon BC, we can help. Dozens of homes treated. Average 90%+ reductions achieved. Concrete in the way. Double A Services can remove and or replace it. Call us for cored holes for duct, pipe, conduit. Call us for slab or asphalt removal. Window and door openings handled (may involve subcontractor) Want to GPR scan to map out rebar, metal conduit or other obstructions in the concrete? We can scan with 3D depth slice viewing of the area. Radon BC - Double A Services is a Vernon BC based company that serves the BC community. more... See more text