The tritium recoil injection technique was used to determine the tritium diffusion coefficient for Path A Prime Candidate Alloy (PCA) over the temperature range 323K to 523K. The diffusion coefficient is given by: Dissolution tritium counting of samples saturated in a tritium-hydrogen mixture was used to determine the tritium solubility for PCA over the temperature range 673K to 973K. The solubility is given by: No evidence of high energy trapping due to the titanium carbide precipitates in PCA was seen.