IS THERE RADON IN YOUR HOUSE? ELIMINATE THE THREAT NOW. Turn to us for effective radon mitigation services in Chelsea, ME Radon doesnt discriminate-it can be present in old homes and new ones, in houses built on granite, gravel and sand. If youre dealing with a radon problem, arrange for radon mitigation services from Radon Technologies LLC. You wont need to worry about whether the treatment was effective-after your radon removal service is done, well perform radon testing services to make sure any radon present in your house is below safe levels. Live outside of Chelsea? We offer radon mitigation services for residents of Augusta and throughout the central Maine area.