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Environmental quality objectives for 10 polycyclic aromatic hydrocarbons (PAHs)

D F Kalf1, T Crommentuijn, E J van de Plassche

  • 1Centre for Substances and Risk Assessment, National Institute of Public Health and the Environment, Bilthoven, The Netherlands.

Ecotoxicology and Environmental Safety
|February 1, 1997
PubMed
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New environmental quality objectives (EQOs) for polycyclic aromatic hydrocarbons (PAHs) in water, soil, and sediment ensure organism protection. These harmonized objectives are based on maximum permissible concentrations (MPCs) and negligible concentrations (NCs).

Area of Science:

  • Environmental Chemistry
  • Ecotoxicology
  • Environmental Policy

Background:

  • Environmental quality objectives (EQOs) are crucial for effects-oriented environmental policy.
  • Protection of aquatic and terrestrial organisms requires harmonized EQOs due to intermedia chemical transport.
  • EQOs are scientifically derived using maximum permissible concentrations (MPCs) and negligible concentrations (NCs).

Purpose of the Study:

  • To derive harmonized environmental quality objectives (EQOs) for ten polycyclic aromatic hydrocarbons (PAHs).
  • To establish maximum permissible concentrations (MPCs) and negligible concentrations (NCs) for PAHs in water, soil, and sediment.
  • To support the Dutch Ministry of the Environment's policy for protecting environmental compartments.

Main Methods:

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  • Derivation of maximum permissible concentrations (MPCs) for ten specific PAHs.
  • Calculation of negligible concentrations (NCs) as MPC/100 to account for combination toxicity.
  • Setting of harmonized EQOs for water, soil, and sediment compartments.

    • Main Results:

    • MPCs for naphthalene, anthracene, phenanthrene, fluoranthene, benzo[a]anthracene, chrysene, benzo[k]fluoranthene, benzo[a]pyrene, benzo[ghi]perylene, and indeno[1,2,3-cd]pyrene were determined.
    • Specific MPC values in micrograms/liter for water, mg/kg for soil, and mg/kg for sediment were established for each PAH.
    • The derived MPCs provide a basis for harmonized EQOs across different environmental compartments.

    Conclusions:

    • The derived MPCs and NCs form the basis for new, harmonized EQOs for PAHs.
    • These EQOs are essential for ensuring the protection of organisms in water, soil, and sediment.
    • The study provides critical data for effective environmental quality management and policy implementation.