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Furthermore, the NRC report states that there is a need for the EPA to update the scientific basis of its 1993 regulation (referred to as the Part 503 rule) that governs the land application of sewage sludge.
The NRC committee conducting this study was chaired by Professor Thomas A. Burke of Johns Hopkins University, who commented: “There is a serious lack of health-related information about populations exposed to treated sewage sludge. To ensure public health protection, EPA should investigate allegations of adverse health effects and update the science behind its chemical and pathogen standards.” These are some of the major recommendations of the NRC to the EPA: conduct a number of studies of human exposures to sewage sludge and their potential association with disease; revise the outdated riskassessment methods on which the Part 503 rule is based; conduct a new national survey of chemicals and pathogens in sewage sludge; expand oversight activities over the entire range of implementation of the Part 503 rule; and provide more funding and staff resources for the sewage sludge program.
As many readers of Rappahannock News are aware, last year the Virginia Supreme Court overturned Amelia County’s ban on the agricultural land application of sewage sludge; the pre
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