The graph on the right represents daily closing SO2 prices for the 4th Quarter of 1999. The high price for the quarter was $190.25, the low was $147. Click on the map for a larger version.
The graph on the right represents daily closing SO2 prices since Jan 1, 1999. The high price for the year was $220, the low was $147. Click on the map for a larger version.
The graph on the right represents daily closing SO2 prices since July, 1998. The high price was $220, the low was $86.25. Click on the map for a larger version.