Emissions of Greenhouse Gases in the United States 1997 - Table 27. U.S. Nitrous Oxide Emissions from Industrial Processes, 1990-1998

Table 27. U.S. Nitrous Oxide Emissions from Industrial Processes, 1990-1998
(Thousand Metric Tons of Nitrous Oxide)

Source	1990	1991	1992	1993	1994	1995	1996	1997	P1998
Adipic Acid
Controlled Sources	3	4	3	3	4	4	4	5	5
Uncontrolled Sources	54	56	52	56	63	63	65	21	7
Total	57	60	55	59	67	67	69	26	12
Nitric Acid	40	40	41	41	43	44	46	47	47
Total Known Industrial Sources	96	99	95	100	110	111	115	73	58
P = preliminary data. Notes: Data in this table are revised from the data contained in the previous EIA report, Emissions of Greenhouse Gases in the United States 1997, DOE/EIA-0573(97) (Washington, DC, October 1998). Totals may not equal sum of components due to independent rounding. Sources: Data sources and methods documented in Appendix A.