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The present work aims at giving a complete characteristic of the toxic chemical factor in the working environment of a pit "Kremikovtsi", for evaluating the occupational risk for the engaged workers. The basic pollution sources of the pit are the eliminating toxic gases during work from different types of machines and heavy-freight vans. The already(More)
The study embraces the shops: metallurgic, electrolysis, production of sulfuric acid and shop 100. Tests are performed on the environmental pollution by dust, sulfur dioxide, chlorine, aerosols of sulfuric acid, carbon monoxide, nitric oxide and dioxide, hydrogen chloride, arsenic (II) oxide (III), selenium, tellurium and metal aerosols: lead, copper,(More)
Using theoretical calculations and personal observations and researches, the authors succeeded in demonstrating that evaporation from lacquered surfaces, particularly in the early period of drying, is the primary source of working environment air pollution with toluene and styrol in the varnishing workshops of furniture factories. Three equations are(More)
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