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.