If the first of the three digits is an odd number, the highway usually connects with an Interstate at only one end. The railroad advance warning sign tells drivers that a railroad crossing is ahead. The U.S. Consumer Product Safety Commission reported in late 1999 that about 90 percent of U.S. households have smoke detectors installed. They should be tested monthly, and the batteries should be replaced at least once a year or when they make a 'chirping' sound. These long-life detectors also should be tested monthly.
Fire is the second leading cause of unintentional death in the home.
Each year, more than 3,700 people die in residential fires, and there are more than 400,000 residential fires serious enough to be reported to fire departments. In addition, nearly 90 percent of large industry employers polled in the survey had conducted an inspection within the past 12 months. OSHA's telephone survey involved 492 large and small employers in general industry and construction. OSHA is currently reviewing comments on a proposal to consider an employer's self-audit as a sign of good faith which would qualify the employer for a substantial civil penalty reduction in the event of a penalty. A total of 5.9 million injuries and illnesses were reported in private industry workplaces for a rate of 6.7 cases per 100 full-time workers.