To limit the probability that materials or liquids used in cleanups will have an adverse reaction with the escaped dangerous goods, which could lead to a fire or explosion, which could lead to harm to persons.
To remove the obligation to use absorbent materials conforming to Sentence 4.1.6.3.(3) [as implied by the general reference to Subsection 4.1.6. in Sentence 3.2.7.11.(1)] for the cleanup of dangerous goods other than flammable and combustible liquids.