Health Risks of Toxic Emissions from a Coal-fired Power Plant
Rand, Jan 1, 1987 - Beryllium - 104 pages
This report is the fifth in a series dealing with the human health risks of toxic substances emitted by coal-fired power plants. It summarizes two earlier studies that examined selenium and beryllium discharges from a power plant in Pennsylvania (the Montour Steam Electric Station operated by Pennsylvania Power and Light Company). The authors extend the earlier analysis to include calculation of pollutant exposure associated with consumption of animal and vegetable products raised in the region surrounding the Montour plant. Specifically, they calculate how much the incidence of cancer and selenosis might increase in the regional population that consumes drinking water or fish from the Susquehanna River or any of several animal or vegetable products raised in the region. The results indicate that Montour selenium and beryllium discharges should have a negligible effect on the incidence of selenosis and cancer in the regional population.
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RISK ASSESSMENT FRAMEWORK
ANALYSIS OF THE CASE STUDY
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aquatic organisms ash basin assumed assumptions background concentration background levels beryllium and selenium beryllium concentrations beryllium emissions bioconcentration bioconcentration factors Bolten bottom ash calculate exposure rates carcinogenic Chillisquaque Creek chronic health risks coal pile runoff Coal-Fired Power Plant consumption rates dental caries detention basin dietary discharge rates distribution dose dose-response drinking water exposed population exposure analysis exposure rates fish fly ash fraction increase incremental exposure incremental individual risk inflow ingestion input irrigated kg/day mean flow rates measured mg/kg mg/l Minimum flows Montour discharges Montour plant ng/l outflow parameter values Pennsylvania plant discharges plant emissions plant makeup water pollutant concentrations PP&L rats reach regional population risk assessment selenium and beryllium selenium concentrations selenium exposure selenium or beryllium selenosis threshold sensitivity analysis storm water basin subregion surface water transport Susquehanna River teratogenic tion toxic transport models vegetable products water quality criterion West Branch worst-case