|
| TABLE 6 | ||||
| U.S. PRODUCER STOCKS OF FIXED NITROGEN | ||||
| COMPOUNDS AT END OF PERIOD | ||||
| (Thousand metric tons of contained nitrogen) | ||||
| Material1 | 2006 | 2007p | ||
| Ammonia: | ||||
| January-June | 234 | 222 | ||
| July-December | 170 | r | 155 | |
| Nitrogen solutions:2 | ||||
| January-June | 132 | 113 | ||
| July-December | 139 | 128 | ||
| Urea: | ||||
| January-June | 67 | 37 | ||
| July-December | 47 | 53 | ||
| Ammonium phosphates:3 | ||||
| January-June | 78 | 59 | ||
| July-December | 50 | r | 53 | |
| Ammonium nitrate: | ||||
| January-June | 54 | 44 | ||
| July-December | 52 | 44 | ||
| Ammonium sulfate: | ||||
| January-June | 30 | 13 | ||
| July-December | 27 | 34 | ||
| Yearend total4 | 485 | r | 467 | |
| pPreliminary. rRevised. | ||||
| 1Ranked in relative order of importance. | ||||
| 2Urea-ammonium nitrate and ammoniacal solutions. | ||||
| 3Diammonium and monoammonium phosphates. | ||||
| 4Calendar year ending December 31. | ||||
| Source: U.S. Census Bureau, Current Industrial Reports | ||||
| MQ325B. | ||||
Source: United States Geological Survey Mineral Resources Program