Category: Pollution

Dust is considered an environmental contaminant. Dust particles range in size from 1 µm up to about 500 µm. Approximately 60% of dust particles come from the outside homes through vents, windows, doors and contaminated clothing and other items brought home. Most common organic and inorganic dust  contaminants Mineral soil and other contaminants lifted from… Read More »

Acoustic Noise is a type of sound that under specific circumstances is classified as an unwanted sound (or noise pollution). The same sound produced under different circumstances, may become a desired type of sound and will no longer be classified as noise pollution. Noise is defined by three primary properties – harmonic set of frequencies,… Read More »