Air and water pollution by cadmium lead and zinc attributed to the largest zinc refinery in Japan
In Annaka City, Gunma Prefecture, where the largest zinc refinery of Japan is located, about 200 samples of agricultural products, soil, silkworms, and excrement of the farmers were collected and analyzed to verify the environmental pollution by the refinery. As a result, it was found that the content of cadmium and other metals in mulberry leaves for silkworms and in wheat flour shows a remarkable relation to the distance from the refinery chimney, and further, that the content of cadmium and other metals is remarkably higher in leaf vegetables such as cabbages compared with root vegetables, fruit vegetables, or cereals. Thus, it was made clear that the hilly regions higher than the refinery, are polluted only by metal-containing air, while the lower rice field regions are affected by waste water, as well as, polluted air. 5 references, 7 figures, 2 tables.
- Research Organization:
- Okayama Univ., Kurashiki, Japan
- OSTI ID:
- 5766521
- Report Number(s):
- CONF-710645-
- Journal Information:
- Trace Subst. Environ. Health; (United States), Vol. 5; Conference: 5. annual conference on trace substances in environmental health, Columbia, MO, USA, 29 Jun 1971
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
CADMIUM
POLLUTION SOURCES
LEAD
ZINC
AIR POLLUTION
BIOLOGICAL ACCUMULATION
COMPARATIVE EVALUATIONS
ECOLOGICAL CONCENTRATION
ENVIRONMENTAL TRANSPORT
EXCRETION
EXPERIMENTAL DATA
FECES
JAPAN
REFINING
VEGETABLES
WATER POLLUTION
ASIA
BIOLOGICAL MATERIALS
BIOLOGICAL WASTES
CLEARANCE
DATA
ELEMENTS
FOOD
INFORMATION
MASS TRANSFER
MATERIALS
METALS
NUMERICAL DATA
PLANTS
POLLUTION
PROCESSING
WASTES
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