Robert Orofino , May 06, 2000; 02:47 p.m.
I don't believe any common black and white chemicals are flammable.The exceptions are the rapid dry film treatments that contain alchohol.Possibly an anti-scratch product,applied to negatives before printing, contains flammable solutions as well. Color film & paper processing or Chromogenic B&W film (that uses color processes) contain flammable solutions. I am not familiar with color processes so others should advise you on this.(Ditto for Antique processes.) To repeat the usual chemicals, ie. Dektol,D76,Fixer,stop bath,photo-flo,etc should be fine.My basement has a gas heater and furnace as well and there is no danger of fire from the chemicals. Ventilation, however, is absolutely necessary.