00657cam a22001697a 4500 DLC 823 NAT 1991 A097 Or. Environmental impact assessment of Gas Sweetening Plant, Phase II and NGL Fractionation and Dearomatisation Plant at Gas Processing Complex, Hazira / Nagpur : National Environmental Engineering Research Institute, 1991. xi, 201, [13] p. : ill., maps ; 30 cm. Cover title. Gas industry Environmental impact analysis Hazira Project (India) National Environmental Engineering Research Institute. EK 15081 15081