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| TABLE 3 | ||||||||||||||||||||||||
| MAJOR DOWNSTREAM NITROGEN COMPOUNDS PRODUCED IN THE UNITED STATES1, 2 | ||||||||||||||||||||||||
| (Thousand metric tons) | ||||||||||||||||||||||||
| 2006 | 2007p | |||||||||||||||||||||||
| January-June | July-December | Total | January-June | July-December | Total | |||||||||||||||||||
| Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | Gross | Nitrogen | |||||||||||||
| weight | content | weight | content | weightr | content | weight | content | weight | content | weight | content | |||||||||||||
| Urea | 2,550 | 1,170 | 2,860 | r | 1,310 | r | 5,410 | 2,480 | r | 2,850 | 1,310 | 2,780 | 1,280 | 5,630 | 2,590 | |||||||||
| Ammonium nitrate | 3,040 | r | 1,030 | r | 3,360 | r | 1,140 | 6,400 | 2,170 | r | 3,710 | 1,260 | 3,610 | 1,220 | 7,320 | 2,480 | ||||||||
| Ammonium phosphates3 | 6,400 | 1,270 | r | 6,900 | r | 1,150 | r | 13,300 | 2,420 | r | 6,540 | 1,040 | 6,870 | 1,060 | 13,400 | 2,100 | ||||||||
| Nitric acid | 3,090 | r | 681 | r | 3,540 | r | 779 | r | 6,630 | 1,460 | 3,690 | 813 | 3,690 | 811 | 7,380 | 1,620 | ||||||||
| Ammonium sulfate4 | 1,300 | r | 275 | r | 1,310 | 278 | 2,610 | 553 | r | 1,360 | 288 | 1,460 | 309 | 2,820 | 597 | |||||||||
| 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