The Lost Art of AV: Understanding Conduit Fill

[@Howeezy92]

Hi! How would I apply this chart to RTRC Conduit (Fiberglass conduit). I can't seem to find this type of conduit on the chart, but it's slightly mentioned in the book. For example: Figuring out if I can fit 3-750 kcmil into a 5" FRE Conduit