Summary: The article made an analysis of existing measures to improve working conditions in the workplace of noisy enterprises and adjacent territories. Analysis of the accepted classification of noise protection measures applied to reduce the noise in the workplace and for the areas adjacent to noise sources, enabled the authors to complement and enhance each of them. Given the magnitude of the possible acoustic efficiency of each of the above events.

Keywords: noise, workplace, enterprise, acoustic efficiency.

Summary: In this article the questions of improvement of existing methods of in-situ measurements of industrial noise sources characteristics in populated areas are considered.

Key words: industrial noise, noise characteristic, sound pressure level, field measurements, workplace, adjacent territory

Summary: The offered method of determination of loss is from noise contamination of workplaces on industrial enterprises, adjoining to the factories of the collapsible reinforced concrete.

Key words: industrial enterprises, noise, workplaces, losses.