Integrated Health Risk Assessment of Air and Noise Pollution in Cement Plants

Abstract

Cement manufacturing is a major industrial activity that significantly contributes to environmental pollution, particularly in the form of air and noise emissions. These pollutants pose serious health risks to workers and surrounding communities. This study aims to conduct an integrated health risk assessment of air and noise pollution in cement plants, focusing on their combined effects on occupational and environmental health. The research involves a multi-stage approach starting with on-site environmental monitoring to measure levels of particulate matter (PM10, PM2.5), gaseous pollutants (SO₂, NOx), and noise levels (dB) at various operational stages such as crushing, grinding, kiln operation, and packaging. Personal exposure levels are evaluated using portable air sampling devices and noise dosimeters. Health data is collected through surveys, medical reports, and interviews with plant workers and nearby residents to assess symptoms related to respiratory illness, hearing loss, stress, and fatigue. Data analysis reveals that PM levels in dust-prone areas often exceed permissible limits set by national and international guidelines. Similarly, continuous exposure to noise levels above 85 dB in machinery and loading sections increases the risk of noise-induced hearing loss and psychological stress. The study highlights the compounded health risks when workers are exposed simultaneously to both pollutants over prolonged periods. Based on findings, the project proposes a set of control strategies including advanced dust suppression systems, acoustic enclosures, regular health screenings, PPE enforcement, and engineering controls such as localized ventilation and noise dampening materials. An integrated risk management framework is suggested for continuous monitoring and improvement of occupational health standards. This project emphasizes the need for proactive pollution control and worker protection policies in the cement industry to ensure a safe and sustainable working environment.