How do the purity standards for the red heifer process compare to those for terumah?
Halacha 1 explicitly states that extra stringencies were instituted for the purification process — stricter than even the purity observed for terumah.
Question 2
If only a person's hands become impure (from touching certain foods), may he draw, sanctify, or sprinkle the water?
Halacha 4 rules that when a person's hands become impure from touching foods in the second degree, he is disqualified from drawing, sanctifying, or sprinkling.
Question 3
Does merely moving (without touching) a vessel impure from corpse-contact disqualify a purified person?
Halacha 8 states that in this purification context, moving a vessel impure from corpse-contact disqualifies the purified person, even without direct touching.
Question 4
If a purified person inserts his head and most of his body into drawn water, what is the ruling?
Halacha 11 rules that if a purified person inserts his head and majority of his body into drawn water for the purification process, the water is disqualified.
Question 5
Whose testimony is accepted regarding the purity of articles and persons for this purification process?
Halacha 12 states that everyone's word is accepted — including women and gentiles — because corpse-impurity is common and the Torah broadly trusted testimony to keep this process accessible.