Health Hazard Evaluation Determination Report No. 75-178-295, New York Telephone and Telegraph Company, 770 Broadway, New York, New York

摘要

A health hazard evaluation investigation was conducted by NIOSH on January 8, 1976 in a New York Telephone Company cable vault in New York City. The survey regarded worker exposure to styrene (100425) vapors while coating cable splices with polyester in telephone company cable vaults. Environmental sampling revealed that the workers were not exposed to hazardous airborne concentrations of styrene vapors. Routine operations were in progress at the time of this investigation, but the exposure may increase significantly during extended working periods. Therefore, recommendations are made to assure effective control under prolonged working hours.