Gold costs were about $317 per troy ounce in 2007, but these can vary widely depending on mining type and ore quality; global mine production amounted to 2,471.1 tonnes. After initial production, gold is often subsequently refined industrially by the Wohlwill process which is based on electrolysis or by the Miller process, that is chlorination in the melt. The Wohlwill process results in higher purity, but is more complex and is only applied in small-scale installations. Other methods of assaying and purifying smaller amounts of gold include parting and inquartation as well as cupellation, or refining methods based on the dissolution
Commodity Futures Trading Commission Industry Association in 2004, Sharon Brown-Hruska, acting director of the CFTC, said that 65 of the top 100 hedge funds in 2003 were commodity pools, and 50 out of the 100 largest hedge funds were CTAs in addition to being commodity pools. In 2012, Christopher Ehrman, a SEC veteran was selected to run the new Office of the Whistleblower for the CFTC. In an interview published in "The Wall Street Journal", Mr. Ehrman is quoted: "One is just understanding enforcement. I'm an enforcement guy and I did investigations and brought cases for a number of years. I understand what folks