The US Dollar Index (DXY) measures the value of the Dollar against a basket of currencies on a trade-weighted basis. The index started in March 1973 with a base value of 100. Since then, it has made a high of 164.72 in February 1985, and a low of 70.69 in March 2008.
Coal tar, which is distilled from coal, has been used in dandruff shampoo for decades. But it is now banned in all consumer goods in Europe because of health concerns. California, using its tough anti-toxics law, would be the first state in the country to restrict use of the substance.
Coal Mining. A coal miner shovels coal deep inside the earth. The Hurricane Creek mine disaster occurred when swirling coal dust ignited inside a mine like the one pictured. Courtesy of the University of Kentucky.ynamite, a substance found in the Hurricane Creek mine during the post-blast investigation, was banned by the Federal Coal Mine Health and Safety Act. The investigation revealed the mine was an absolute failure enforcing the new safety laws.