On the request of Sri Lanka Association of Testing Laboratories (SLATL), ISB has recently conducted an online presentation and a laboratory demonstration on Determination of Oil & Grease in Wastewater to all environmental labs registered under Central Environment Authority (CEA). This programme was conducted on 18^th February 2021 online for 2 ½ hours. There were more than 50 participants and it was a huge success. This training programme enabled participants to improve their analytical skills and correct mistakes in this very important analytical discipline. Mr. Yasantha Karannagoda, Senior Consultant/Chemist of ISB has conducted this training programme. ISB wishes to conduct similar events for the interested parties on demand in the future.