Building contractors have been subject for some time to laws that protect workers from conditions that are unsanitary, hazardous, or dangerous to their health and safety. Burdensome as these laws may feel sometimes, now the contractor may have a further responsibility under laws that may be applied to the construction industry. These are two federal "Right to Know" (RTK) laws, which contractors should know about: The first is administered by the Occupational Health and Safety Administration (OSHA) and the second by the Environmental Protection Agency (EPA), under the environmental "Superfund" law. Right now their application to the construction industry is on hold while under court consideration. However, it is important for building contractors to be aware of these new responsibilities should the RTK