In a message dated 12/28/2007 10:43:51 A.M. Pacific Standard Time, gwill at gwill.net writes: That's somewhere near 1/4 pound. I have measured mine here in Renton WA slightly higher but well under 1 psi. Gary **************************************See AOL's top rated recipes (http://food.aol.com/top-rated-recipes?NCID=aoltop00030000000004)