|711.14 Gray Iron and Ductile Iron Castings|
2. Sampling and/or Inspection Requirements:
Material must be from a certified source listed on the OMM website
located at http://www.dot.state.oh.us/testlab/applists/misc/Cast-Test-Bars/certified_casting_producers.htm
Material should be received with a TE-24. Do not accept materials from a non-certified source. No sample required.
3. Methods of Tests:
AASHTO M306 Class 35B