Soiling index is measure for ?: (A) Air pollution, (B) Water pollution, (C) Faecal contamination, (D) Milk contamination
Answer is A. Ans. is 'a' i.e., Air pollution Monitoring of air pollution Monitoring of air pollution is done by : - Sulphur dioxide. Gritt and dust measurement. Co-efficient of haze. Air pollution index. Smoke or soiling index