Noise and Soil Pollution — Flashcards

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Noise pollution is any unwanted sound with intensity more than 65 decibels (dB). It causes health issues like stress, hearing loss, and sleep disturbances.

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The unit used to measure sound intensity is the decibel (dB). For example, a quiet room is about 20 dB, while a truck horn can reach 110 dB.

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1. Vehicles (traffic and horns) 2. Industrial machinery 3. Construction activities 4. Festivals and weddings with loud music (e.g., DJ systems)…

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Prolonged exposure to noise above 70 dB can cause: stress, high blood pressure, hearing loss (Noise Induced Hearing Loss), disturbed sleep, and reduced productivity.

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In silence zones (within 100 meters of hospitals, schools, courts), the permissible noise level is 50 dB. Honking, loudspeakers, and bursting crackers are prohibited.

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Soil pollution is the contamination of soil by harmful substances such as toxic metals, pesticides, fertilizers, or industrial waste, altering its natural composition and harming ecosystems.

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1. Rain deposits contaminants into soil. 2. Thunderstorms can form perchlorate ions in soils containing chlorine and metal ions.

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1. Excessive use of pesticides and fertilizers 2. Mining activities (releases heavy metals) 3. Industrial waste dumping 4. Oil spillage during transport 5. Improper disposal of sewage and plastics…