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| TABLE 3 | |||||||||||||||||||||||||
| MAJOR DOWNSTREAM NITROGEN COMPOUNDS PRODUCED IN THE UNITED STATES1, 2 | |||||||||||||||||||||||||
| (Thousand metric tons) | |||||||||||||||||||||||||
| 2005 | 2006p | ||||||||||||||||||||||||
| January-June | July-Decemberr | Totalr | January-June | July-December | Total | ||||||||||||||||||||
| Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | ||||||||||||||
| weight | content | weightr | content | weight | content | weight | content | weight | content | weight | content | ||||||||||||||
| Urea | 2,990 | r | 1,370 | r | 2,280 | 1,050 | 5,270 | 2,420 | 2,550 | 1,170 | 2,890 | 1,330 | 5,430 | 2,490 | |||||||||||
| Ammonium phosphatese, 3 | 7,500 | 1,270 | 6,950 | 1,150 | 14,500 | 2,420 | 6,400 | 1,040 | 6,260 | 1,060 | 12,700 | 2,100 | |||||||||||||
| Ammonium nitrate | 3,580 | r | 1,210 | r | 2,970 | 1,010 | 6,540 | 2,220 | 2,950 | 999 | 3,350 | 1,140 | 6,300 | 2,140 | |||||||||||
| Nitric acid | 3,630 | r | 799 | r | 3,080 | 678 | 6,710 | 1,480 | 3,070 | 676 | 3,570 | 785 | 6,640 | 1,460 | |||||||||||
| Ammonium sulfate4 | 1,350 | r | 286 | r | 1,290 | 273 | 2,640 | 559 | 1,290 | 274 | 1,310 | 278 | 2,600 | 552 | |||||||||||
| eEstimated. pPreliminary. rRevised. | |||||||||||||||||||||||||
| 1Data are rounded to no more than three significant digits; may not add to totals shown. | |||||||||||||||||||||||||
| 2Ranked in relative order of importance by nitrogen content. | |||||||||||||||||||||||||
| 3Diammonium phosphate and monoammonium phosphate. | |||||||||||||||||||||||||
| 4Excludes coke plant ammonium sulfate. | |||||||||||||||||||||||||
| Source: U.S. Census Bureau, Current Industrial Reports MQ325B. | |||||||||||||||||||||||||
Source: United States Geological Survey Mineral Resources Program