Tenders for Gem Bids For Custom Bid For Services - Carrying Out Physico Chemical Andmicrobiology Estimation Of Drinking Water As Per Is 10500on Quarterly Basis For A Period Of One Year, 8 Nos, Custombid For Services - Carrying Out Ambient Air Quality Survey Inbhavini Plant Site As Per National Ambient Air Quality Lateststandard For A Period Of One Year, 4 Nos, Custom Bid Forservices - Collection, Analysis And Reporting The Results Oftrade Effluent Samples For Parameters As Per Tnpcb Effluentdischarge Norms For A Period Of One Year, 1 No, Custom Bidfor Services - Carrying Out Stack Emission Monitoringquarterly Basis In Diesel Generator As Per Tamil Nadupollution Control Board Norms For A Period Of One Year, 4 Nos