Section 176.128 - Magazine stowage types ''A'', ''C'' and Special Stowage(a) The stowage arrangements of Class 1 (explosive) substances and certain articles are subject to varying levels of containment, (except for compatibility group S substances), when stowed below deck. The levels are dependent on the hazard presented and the nature of the particular explosives involved. Columns (10A) and (10B) of the Hazardous Materials Table specify the stowage applicable to each substance or article. The different levels of containment are defined below as "A", "C" and "Special".(b)Magazine stowage type "A". Magazine stowage type A is required for those substances that must be kept clear of steelwork.(c)Magazine stowage type "C". Magazine stowage type C is required for those substances in compatibility group A.(d)Special Stowage. Special Stowage is required for Explosive substances, n.o.s. in compatibility groups G or L, and for articles in compatibility groups G, H, L and K, which are particularly hazardous.