Pollution Research Paper

Vol 37, Issue 3, 2018; Page No.(834-839 )

ASSESSMENT OF NOISE POLLUTION AND ATMOSPHERIC AIR QUALITY ON THE BOUNDARY OF THE CALCULATED SANITARY PROTECTION ZONE OF A THERMAL POWER PLANT

TATYANA GERMANOVNA KOROTKOVA, SVYATOSLAV ANDREEVICH BUSHUMOV, VICTORIYA VICTOROVNA GONCHAR, NATALYA YUREVNA ISTOSHINA

Abstract

The article considers the sound pressure levels in the average geometric frequencies of octave bands, Hz, (31.5; 63; 125; 250; 500; 1000; 2000; 4000; 8000) and sound levels measured at the northern border of the sanitary protection zone (SPZ), which is 840 m away from Novocherkassk state district power plant (SDPP) (Russia, Rostov region). The measurement duration was 30 minutes. Noise measurements were made in autumn during day and night time at an altitude of 1.7 m above the ground, using a class I noise and vibration meter. By the spectrum, the noise is broadband, by the time characteristics, it is constant. It is established that the level of sound at control points during day and night time does not exceed the permissible level. The upper boundary of the coverage interval in daytime was 51.2 + 1.72 dBA, in nighttime - 40.4 + 1.79 dBA, which is below the standard values: 55 dBA in the daytime and 45 dBA at night. The work presents the data of weekly monitoring of the atmospheric air quality at the border of the SPZ during 2017 for the purpose of assessing the impact of SDPP on the air basin. The atmospheric air was analyzed with a gas analyzer for the content of sulfur dioxide, carbon monoxide, suspended solids (dust), nitrogen oxide, nitrogen dioxide. Monitoring data is presented in the form of graphs of the pollutant content in the atmosphere according to the research dates. It is established that the emissions of pollutants do not exceed the maximum permissible concentration maximum one-time (MPCm).

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