Gem Bids For Air Quality Monitoring Service - Indoor Area; Plant, Collection And Analysis Of Flue Gas Ex Refinery Unit Stacks;once In Two Months, Air Quality Monitoring Service - Indoorarea; Plant, Collection And Analysis Of Incinerator Flue Gas;once In Two Months, Air Quality Monitoring Service - Indoorarea; Plant, Collection And Analysis Of Incinerator Flue Gas;once In Six Months, Air Quality Monitoring Service - Indoorarea; Plant, Collection And Analysis Of Flue Gas Ex. Dieselgenset Engine Stacks; Yearly, Air Quality Monitoringservice - Indoor Area; Plant, Collection And Analysis Oftreated Effluent; Monthly, Air Quality Monitoring Service -indoor Area; Plant, Collection And Analysis Of Ground Water;yearly