04.29.15 Trash Free Maryland: We passed the foam trifecta! By washdc Today the Prince George's County Council voted unanimously to ban polystyrene foam food containers and packing material for distribution or sale at restaurants and retailers. The ban takes effect in July 2016. Via: Trash Free Maryland: We passed the foam trifecta! Thanks to all chapter members who contacted their PG County Councilmembers last minute!