||Mercury : ambient water quality criteria.
||United States. Environmental Protection Agency. Office of Water Planning and Standards. Criteria & Standards Division.; Environmental Protection Agency, Washington, DC. Criteria and Standards Div.
|| U.S. Environmental Protection Agency, Office of Water Planning and Standards, Criteria and Standards Division,
||EPA 823-R-79-008; PB297925
Mercury--Environmental aspects. ;
Mercury--Physiological effect. ;
Water quality--Standards--United States. ;
Water quality ;
Toxic tolerances ;
Laboratory animals ;
Water pollution ;
Aquatic biology ;
Marine biology ;
Fresh water biology ;
Public health ;
Experimental data ;
Toxic substances ;
Water pollution effects(Humans) ;
Water pollution effects(Animals) ;
Water pollution effects(Plants) ;
Environmental health ;
Health risks ;
Maximum permissible exposure ;
Clean Water Act
||Research Triangle Park Library/RTP, NC
||Some EPA libraries have a fiche copy filed under the call number shown.
||6, 72, 135 p. ; 28 cm.
Section 304(a) of the Clean Water Act (33 U.S.C. 1314 (a)), requires EPA to publish and periodically update water quality criteria. These criteria are to reflect the latest scientific knowledge on the identifiable effects of pollutants on public health and welfare, aquatic life, and recreation. This report presents water quality criteria for mercury. It presents concentration criteria for the protection of fresh water and saltwater aquatic life. It presents 'safe' concentrations for humans, and in the case of suspect or proven carcinogens, gives various levels of incremental cancer risk. A section 304(a) water quality criterion is a qualitative or quantitative estimate of the concentration of a water constituent or pollutant in ambient waters which, when not exceeded, will ensure a water quality sufficient to protect a specified water use. Under the Act a criterion is a scientific entity, based solely on data and scientific judgment. It does not reflect considerations of economic or technological feasibility nor is it a water quality standard and in itself has no regulatory effect.
Cover title. Includes bibliographical references. "[PB]297 925".