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Chemical risk assessment Assessment ofthe chemical risk and its prevention in manufacture of refractories using organic binder


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Assessment of the occupational chemical risk of new industries and the development of measures for its mitigation is a priority task to ensure chemical safety in Russia. There was performed the assessment of the chemical risk in the manufacture of new types of refractories - periclase-carbon refractories, using organic binder) on the base of data of hygiene studies, indices of morbidity rates in workers and also of the investigation of the impact of such refractory dust on laboratory animals (intratracheal introduction). The main factors for chemical risk to the workers' health are magnesium oxide, volatile products of phenol-formaldehyde resins, silicon-containing dust, carbon monoxide, sulfur dioxide, nitrogen oxides, and in the use of a binder «Carbores» - benzo (a) pyrene and pitch cokes of the carbon dust. In employees of such industry there is recorded the elevated morbidity rate of diseases of upper respiratory rates. Dust of this type has on the body of animals general toxic and mild fibrogenic effect. According to the results of the assessment of the chemical risk measures have been developed for its mitigation in the workplace.


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