Coal assay heating value is based on the moisture content as mined, but without any free water. The ISO has a coal ranking system that also ranks coals; the sub-divisions do not align with the ASTM standard. "Coal Analytical Methods" Blackwell Scientific Press, 1984. Coal assay Coal analysis techniques are specific analytical methods designed to measure the particular physical and chemical properties of coals. These methods are used primarily to determine the suitability of coal for coking, power generation or for iron ore smelting in the manufacture of steel. Coal comes in four main types or ranks: lignite or brown coal, bituminous
What a Nightmare, Charlie Brown! What a Nightmare, Charlie Brown! What a Nightmare, Charlie Brown! is the 17th primetime animated TV special based upon the comic strip "Peanuts", created by Charles M. Schulz. It was originally aired on Thursday, February 23, 1978, at 8:00 P.M. ET/PT on CBS. The special is unusual in that Snoopy and Charlie Brown are the only members of the "Peanuts" cast to appear in it. The plot is similar to that of Jack London's "Call of the Wild". This was the first special Bill Melendez directed since 1973's "A Charlie Brown Thanksgiving". In June 2010, the special was released on