Total Petroleum Hydrocarbons traces found in air of Chennai’s Tiruvottiyur
CHENNAI: A 24-hour ambient air quality study conducted by Tamil Nadu Pollution Control Board (TNPCB) in Tiruvottiyur on July 14 detected traces of Total Petroleum Hydrocarbons (TPH). The study was conducted after several localities complained of a pungent odour similar to that of LPG gas multiple times during the day.
