I believe it is because Verichrome Pan is such an old film, and worldwide it doesn't get much notice. Since Rodinal is an Agfa product, I suspect they publish times only for the most-used films. I have heard that Kodak would like to discontinue VP, but it is still much in demand by portrait photographers. I brought ten rolls along on my vacation and am giving it a try for landscape work.(posted 8856 days ago)