effluent gases The presence of four ambient air monitoring stations that were in place well before the refinery was in use It is an eco-friendly refinery, as indicated by a green belt outside it The establishment of a totally electronic-based communication system within the refinery It has the lowest manpower of all refineries in the region with similar capacities Quality certifications Panipat Refinery holds several quality certifications from DNV, including: ISO 9002 ISO 14001 OHSAS 18001 References Oil refineries in India Energy in Haryana Panipat Indian Oil Corporation Companies based in Haryana Indian Oil Corporation buildings and structures 1998 establishments in Haryana Energy infrastructure completed in 1998 20th-century architecture in India