Refinar búsqueda
Resultados 11-20 de 184
Toxicity and tolerance of aluminium in vascular plants. A literature review.
1988
Andersson M.
Overhauling health effects perspectives.
1988
Schwebach G.H. | Cafaro D. | Egan J. | Grimes M. | Michael G.
The use of duckweed for wastewater treatment.
1988
Zirschky J. | Reed S.C.
Utilisation d'un bio-indicateur vegetal pour la mesure de l'ozone en montagne Texto completo
1988
Garrec, J.P. | Rosé, Christophe
Pelagic tar in the Mediterranean Sea Texto completo
1988
Golik, A. | Weber, Kurt | Salilhoglu, I. | Yilmaz, A. | Loizides, L.
Water pollution | Stronger enforcement needed to improve compliance at federal facilities | Federal compliance with Clean Water Act
1988
In response to a congressional request, GAO assessed: (1) federal facilities' compliance with the Water Pollution Control Act; and (2) the Environmental Protection Agency's (EPA) and states' oversight and enforcement of the facilities' compliance with the act. | GAO found that: (1) most federal facilities did not comply with National Pollutant Discharge Elimination System (NPDES) program priority requirements; (2) in fiscal years 1986 and 1987, federal facilities' noncompliance rate was twice that of private industrial facilities; (3) more than 40 percent of federal facilities had a significant noncompliance problem for more than 1 year; (4) Navy and Department of Energy facilities had the highest noncompliance rates; (5) agency and facility officials cited lengthy budget and procurement processes as factors affecting facilities' noncompliance; (6) EPA and states failed to take timely enforcement actions on 31 of 46 facilities without permits; and (7) EPA did not exercise its authority in 18 instances of untimely state enforcement.
Mostrar más [+] Menos [-]Experimental work related to nitrogen deposition, nitrification and soil acidification - a case study
1988
Nilsson, S.I. | Berden, M. | Popovic, B. (Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, 750 07 Uppsala (Sweden))
[Use of a plant bio-indicator for measuring ozone in mountain areas]
1988
Garrec, J.P. (Institut National de la Recherche Agronomique, Seichamps (France). Centre de Nancy, Laboratoire d'Etude de la Pollution Atmospherique) | Rose, C.
Anaerobic treatment of industrial wastewaters
1988
Torpy, Michael F.
