Hey Tyler, I believe the most likely "reef safe" triggers are Planktivores which include: The Blue Throat, Pink tail, Niger, Crosshatch and the Sargassum Triggers.
Here are some links that have some great info for anyone intrested in trigger fish: With this first link be sure to click on some of the other links at the top of the page. Great info here:
http://www.wetwebmedia.com/marine/fi...gers/index.htm
http://www.advancedaquarist.com/issues/oct2002/Fish.htm
http://www.reefkeeping.com/issues/2002-08/dc/index.php