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Economic impact analysis of alternative pollution control technologies | Wood preserving subcategories of the timber products industry
1979
Economic impact analysis of alternative pollution control technologies | Wet process hardboard and insulation board subcategories of the timber products industry
1979
Radioactive contamination of the aquatic environment
1979
Mahdavi, A.
Marine fisheries in Africa
1979
Ssentongo, G.W.
An outline scheme for evaluating the hazard to aquatic life from chemical pollution and obtaining water quality criteria
1979
Lloyd, R.
The role of education in pollution abatement
1979
Siamwiza, M.N.
Toxicity tests with aquatic organisms
1979
Lloyd, R.
The purpose of this paper is to outline some of the testing procedures which can be used, the data which should be obtained from them, and the way in which such data can be used in hazard assessment
Показать больше [+] Меньше [-]Studies on pesticide residues in foods: Transition of organochlorine pesticide residues in raw milk produced in Nagano (1970-1977)
1979
Yamaura, Y. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Maezawa, H. | Kawamata, S. | Kobayashi, M.
The Transition of organochlorine pesticide residues la raw milk produced in Nagano prefecture during the period of 197O-1977, were investigated. alpha, beta, gamma and delta-BHC, pp'-DDT, pp'-DDE and pp'-DDD, dieldrin were found to be present in raw milk. The following substances were not detected; op'-DDT, aldrin, endrin, heptachlor and heptachlor epoxide. It was observed that the contamination of raw milk by organochlorine pesticides showed a decrease by about 90% in BHC residues for a period of eight years.
Показать больше [+] Меньше [-]The berberine content at the parts of Phellodendron amurense Ruprecht [Rutaceae]
1979
Kubota, M. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Asakawa, K. | Matsuzawa, K.
Research of heavy metals in river sediments
1979
Takeda, Y. (Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Kawamura, M.
