TY - BOOK CN - EP 4.2: CY - Research Triangle Park, N.C. : CY - [Springfield, Va. : DA - 1997] ID - 233939 KW - Gas industry KW - Petroleum industry and trade KW - Air N1 - Shipping list no.: 98-0383-M. N1 - "April 1997." N1 - "EPA-453/R-94-079a." PB - U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards ; PB - National Technical Information Services, distributor, PP - Research Triangle Park, N.C. : PP - [Springfield, Va. : PY - 1997] T1 - National emissions standards for hazardous air pollutants for source categoriesoil and natural gas production and natural gas transmission and storage - background information for proposed standards / TI - National emissions standards for hazardous air pollutants for source categoriesoil and natural gas production and natural gas transmission and storage - background information for proposed standards / ER -