In a message dated 4/27/2008 9:13:57 P.M. Central Daylight Time, [log in to unmask] writes: Not quite the same, but the worst I've come across is the coke from a Welsh works (can't remember which, somewhere around Maesteg I seem to remember) which became significantly less reactive if kept for as little as six hours. (Yes, hours!) That said, many cokes had to be used pdq. Hope it helps. Kindest regards, Ken (Smith). Hi Ken, That supports the reason why so many of the coke ovens (beehive ovens) were built so close to the point of use as it was seen here in America. A very interesting thread. Thank you, Jim Besleme **************Need a new ride? Check out the largest site for U.S. used car listings at AOL Autos. (http://autos.aol.com/used?NCID=aolcmp00300000002851)