Survey of Waste Comminglers’ VOC Exposures

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Abstract

Twelve U.S. universities performing hazardous waste solvent commingling operations were surveyed for waste handler exposures to 45 U.S. Environmental Protection Agency (EPA)-designated volatile organic compounds (VOCs). Personal exposures (n = 33) and area concentrations (n = 30) were determined using gas chromatography/mass spectrometry(GC/MS) analysis of passively collected samples. Air monitoring data were used to determine the veracity of laboratory-generated reports of waste container contents. Participants completed a questionnaire concerning the use of personal protective equipment, ventilation, and other appropriate safety equipment for their specific commingling operation. Follow-up telephone interviews were conducted to elucidate safeguards in place. Results showed that personal exposures exceeded area concentrations in 70% of operations. For the contaminant concentrations reported, 17% of personal samples exceeded Occupational Safety and Health Administration (OSHA) time-weighted average or ceiling limit values. Methylene chloride was a frequently seen airborne contaminant not listed on drum inventory sheets. When airborneconstituents were compared with container content tags, 44% of the chemicals detected in air were omitted from the waste tags. This study concluded that the most frequently necessary safeguard is respiratory protection, preferably asupplied-air-type. The use of local exhaust ventilation systems rather than dilution or natural systems and facilityoperation in a totally explosion-safe manner are also recommended. © 2002 Air and Waste Management Association.

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APA

Ryan, T. J. (2002). Survey of Waste Comminglers’ VOC Exposures. Journal of the Air and Waste Management Association, 52(11), 1298–1306. https://doi.org/10.1080/10473289.2002.10470862

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