2020
DOI: 10.1051/bioconf/20201700088
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Complex evaluation of the modern atmospheric air of city ecosystems

Abstract: The results of studies of the chemical composition of atmospheric air showed that the concentration of ammonia (0.2520 mg/m3), nitrogen dioxide (0.3942 mg/m3) and hydrogen sulfide (0.0269 mg/m3) exceeded the MPC requirements. The seasonal dynamics of the spread of aerogenic pollutants revealed a decrease in NO, NO2, H2S, SO2 from winter to the spring-summer season. However, the content of such pollutants as NH3, CO and dust increased significantly in summer to 0.0816, 3.7140 and 0.0289 mg/m3 respectively. Duri… Show more

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“…A noticeable smell of hydrogen sulfide is observed at a concentration of hydrogen sulfide of 1.4-2.3 mg/m 3 , a significant smell-at 4 mg/m 3 , a heavy smell at 7-11 mg/m 3 [12].…”
Section: Introductionmentioning
confidence: 95%
“…A noticeable smell of hydrogen sulfide is observed at a concentration of hydrogen sulfide of 1.4-2.3 mg/m 3 , a significant smell-at 4 mg/m 3 , a heavy smell at 7-11 mg/m 3 [12].…”
Section: Introductionmentioning
confidence: 95%