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Biosolids Applied to Land: Advancing Standards and Practices

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In this report, biosolids are defined as sewage sludge that has been treated
to meet the regulatory requirements for land application set out in the Code of
Federal Regulations, Title 40 (Part 503). The U.S. Environmental Protection
Agency (EPA) established the Part 503 rule and is responsible for overseeing
the national biosolids program. The land-application requirements include
concentration limits and loading rates for chemical pollutants, treatment and use
requirements for controlling and reducing pathogens and the attraction of
vectors, and management practices. The requirements are intended to protect
public health and the environment from any reasonably anticipated adverse
effects. Over the past decade, questions have been raised about the adequacy of
the chemical and pathogen standards for protecting public health. To help
address the questions and the requirement for periodic reassessment of the Part
503 rule, EPA asked the National Research Council (NRC) to independently
review the technical basis of the chemical and pathogen regulations for
biosolids, focusing only on human health.

In this report, the NRC’s Committee on Toxicants and Pathogens in
Biosolids Applied to Land (membership and biographical information provided
in Appendix A) searched for evidence on human health effects related to
biosolids exposure and the technical methods and approaches used by EPA to
establish its human-health-based chemical and pathogen standards for biosolids.
The NRC and the committee are aware that some interested parties were
anticipating that this report might make a determination of whether EPA should
continue to promote land application of biosolids. However, such a
determination was not part of the committee’s charge. The committee agrees
that regulations must be adequate to protect human health and the environment
and that they must be complied with and enforced. The committee was asked to
focus its review on approaches for identifying human health hazards, for
assessing exposure to those hazards, and for assessing risk from the exposures.
This report offers numerous recommendations to update and strengthen the
scientific credibility of the biosolids regulations and to ensure their consistent
implementation.

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Ketersediaan

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Informasi Detail

Judul Seri

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No. Panggil

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Penerbit

Washington, D.C. : National Academies Press., 2002

Deskripsi Fisik

368 pages, 6x9

Bahasa

English

ISBN/ISSN

0-309-57036-0

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

HEWAN TANAH
ZOOLOGY

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

Versi lain/terkait

Lampiran Berkas

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