Following concern raised by DEFRA about the potential for occupational exposure to polychlorinated dibenzo-p-dioxins and polychlorinated dibenzo furans ('dioxins'), Lancaster University were asked by the Health and Safety Executive to undertake a sampling and analysis campaign of industrial indoor air. This report covers the findings of a second study1 and includes static air monitoring and personal air sampling using portable equipment. Both systems used polyurethane foam (PUF) to trap vapour phase contaminants and glass fibre filters for the particulate phase. Industries included in this study were aluminium and copper recycling, waste incineration and landfill operation. Hence, this study was designed to quantify occupational exposure via inhalation for a variety of industries and compare these estimates to dietary intake and the Committee on Toxicity Tolerable Daily Intake values.
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