Questionable in any B&W developer. Harman/Ilford put a lot of engineering for this film in a good C41 development. E.I. 250 and a standard C41 development gives an excellent result. Within the margin of E.I. 100-800 you can use the film without any changes in C41 development. Even with a home processing C41 your results will be much better then any B&W development experiment. And it is an expensive film so why waste it for less quality.