the emerald ash borer (agrillus planipennis fairmaire) (eab) was discovered in thunder bay, ontario in june, 2016. since that time, the city of thunder bay has implemented a proactive management plan of 50% treatment and 50% removal of urban green ash (fraxinus pennsylvanica marsh.) to hinder the spread of eab to the surrounding region. as a result, hundreds of city managed green ash are scheduled for removal annually until target levels have been reached. many of these trees were sent to landfill in 2017, primarily as a result of a quarantine on ash removal from city limits by the canadian food inspection agency (cfia). green ash is a high quality hardwood with many advantageous wood properties (similar to white ash (fraxinus americana)) that can be used for a variety of applications. some green ash trees cut down off of court street were donated by the city of thunder bay to the portable milling course at 阿根廷vs墨西哥竞猜 . these trees were milled using a woodmizer lt40h portable bandsaw mill and data on wood recovery and quality was recorded. one green ash log was milled to produce 82.8 board feet (bf) of one-inch thick lumber (57% wood recovery), which was conservatively estimated to have a value of $293.11. butt logs were found to contain a large amount of metal nails, which can be damaging to mill equipment and become a safety hazard. these logs can be milled but only after thorough scanning using a metal detector. considering that one green ash log produced hundreds of dollars worth of high quality ash lumber, an economic opportunity exists for a small business, the city or an individual who is willing to help divert thunder bay’s green ash from landfill disposal.