Open Congress : Blog Articles for H.R.4257 To suspend temporarily the duty on hexafluoro isopropyl methyl ether (HFMOP). 2007-12-03T00:00:00Z opencongress.org tag:opencongress.org,2007:/bill/blog/47575 HR 4257, To suspend temporarily the duty on hexafluoro isopropyl ... tag:opencongress.org,2007-12-03:/commentary/1383935 2007-12-03T00:00:00Z washingtonwatch.com - Welcome to washingtonwatc... HR 4257 would suspend temporarily the duty on hexafluoro isopropyl methyl ether (HFMOP).... Vote on This Bill: For | Against.<br /><br /><a href="http://www.washingtonwatch.com/bills/show/110_HR_4257.html">Go to article</a> Bill Action: Introduced: HR 4257: To suspend temporarily the duty ... tag:opencongress.org,2007-12-03:/commentary/1383936 2007-12-03T00:00:00Z Active Legislation -- Tracked by govtrack.us Rep. Charles Dent [R-PA] introduced this bill. [This event matched these trackers: Active Legislation ]<br /><br /><a href="http://www.govtrack.us/congress/bill.xpd?bill=h110-4257">Go to article</a>