The quality of the environment in the Rosia of Jiu quarry as a result of the use of Caterpillar 323D L and 323D LN excavators

This paper studies how the activity of hydraulic excavators found in Rosia quarry Jiu affects environment. For this study we chose Caterpillar 323D L and 323 D LN excavators. The took place over a period 30 days. These days have collected data on noise level PM 10 particles quarry. equipment not only helps to build better world, but also preserve environment, which is so fragile today. evolution has led more efficient way working both terms production, costs effects Their an increase production decrease pollution Quarry area.