Two persons die while cleaning wastewater tank near Avadi

Two persons who were engaged in cleaning a wastewater tank of an onion export unit in Pandeeswaram near Avadi were killed after they inhaled poisonous gas. 

Avadi Police said Natraj was operating an onion drying and export unit-cum-warehouse in Pandeswaram on the Arakkambakkam Road near Avadi.  In this facility, onions are washed, sliced and after being mechanically dried, packaged into pouches, and exported to various foreign countries, including Singapore and Malaysia. The wastewater generated from washing the onions is collected and stored in a 15-foot-deep tank located in the premises.