https://tunnelhillpartners.com/wp-content/uploads/2015/04/THR-Waste-Profile-Form.pdf
THR – 2016 Solid Waste Facility License
https://tunnelhillpartners.com/wp-content/uploads/2016/03/THR-2016-OH-EPA-SOLID-WASTE-FACILITY-LICENSE-EXP.-12-2016.pdf
THR- EPA CERCLA Approval
https://tunnelhillpartners.com/wp-content/uploads/2015/04/TH-Cercla-Approval-Letter.pdf