The Putnam County Sheriff’s office investigated a single vehicle crash early this morning, sending a Defiance man to the hospital.The accident occurred at 4:17am today (Thur.) on Putnam County road 18, near road B.39 year old Joshua Palezewski of Defiance lost control of his tanker truck, rolling it onto its side.Palezewski was injured and transported to the Defiance Regional Medical Center by Putnam County EMS.Some milk was leaking from the tanker, after the crash, and other fluids were also spilled at the scene.That brought response from Putnam County haz mat.