Blew a .006 breathalyzer, need some insight?

I was at a college party and 2 officers arrived on scene. I myself did not even drink and have been on various medications and was in fact taking nyquil at the party to calm my cough. The police officers asked me to do a breathalyzer and i blew a .006. They handed me back my license and said i'm good to go. I gave him my information which they recorded in a little booklet. I'm extremely not sure whether i'm going to be cited by mail for a measly .006. I live in Willow Grove, Pennsylvania and any advice would help!