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chemical pollution Pollution caused by substances of chemical nature, including chlorinated hydrocarbon pesticides, polychlorinated biphenyls, metals as mercury, lead, cadmium, arsenic, etc.
environ.	تلوث كيميائي

chemical: 145 phrases in 28 subjects

Acridology	10
Agriculture	3
Antennas and waveguides	1
Bioenergy	1
Biotechnology	1
Chemistry	3
Climatology	1
Ecology	2
Economy	2
Environment	8
Fishery fishing industry	2
Food industry	3
Food service and catering	4
Forestry	5
Genetics	1
Name of organization	11
Oil / petroleum	8
Oil and gas technology	3
Pest control	4
Physics	1
Pulp and paper industry	8
Radiology	1
Research and development	1
Security systems	2
Thermal Energy	3
United Nations	41
Water supply	1
Wood processing	14