TRI Air Testing Celebrates 40 Years!
On 2 February 1975, Punxsutawney Phil—the famed oracle groundhog of Punxsutawney, Pennsylvania’s annual Groundhog Day celebration—stepped into the open air but did not see his shadow. The prediction: an early spring. This was not the only good news of the day. In Austin, Texas on that same day, Dr. J. Scott Thornton founded the company…