Hiring of services for Monitoring of Ambient air quality,
Stack gas emission, Mercury (Hg) in ambient Air, Methane in ambient Air, Non-methane in ambient Air, Total Hydrocarbon (THC) in ambient Air, Volatile Organic Compound (VOC) in Ambient Air and measurement of illumination and noise levels at OIL s Drilling, Workover locations and OILs installations of Upper Assam and Arunachal Pradesh
