AMAZON multi-meters discounts AMAZON oscilloscope discounts Radon Sources: • Floor drains and sumps. • Joints where basement walls and floor come together. • Cracks in basement walls and floors. • Holes in the foundation wall for pipes and wiring. • Exposed earth or rock surfaces in the basement • Well water. Remedies: • The US EPA and the Surgeon General recommend that all homes be tested for their • radon levels below the third floor. • Install a sub-slab ventilation system. • Cover exposed earth with a polyethylene air barrier. • Seal all cracks and joints in the foundation wall and floor slab with caulking or foam. • Install a self priming drain or gas trap in floor drains leading to a sump or to drainage tiles. • Remove radon from well water using activated charcoal filters or aeration units. Prev.: Volatile
Organic Compounds (VOCs) |