The extent of noise pollution was assessed in SIPCOT Industrial area in Tamil Nadu. Five industrial sites were chosen randomly. They included : (1) Three textile processing industries, (2) One steel plant and (3) One chemical industry. Noise observations were made in the vicinity of boilers, power house, production area and mechanical shed in each industry.

In the present study, water quality of selected temple ponds was determined in Tiruchirappalli. The results revealed that Thiruvarambur pond was found to be highly polluted, while water collected from Srirangam pond was less polluted.