The book of Purification:

Hadith 5.

Our teacher - Allaah preserve - explained from the Hadith the ruling of urinating in a stagnant water and washing one self from it in a state of Junub [a state of an individual after having intercourse or from wet dream due to ejaculation].

He -Allaah preserve him-also mention Benefits taken from the Hadith.

Hadith 6:

He- Allaah preserve him- addressed the ruling regarding a dog putting its tongue in a vessel and how to purify the impurities caused by it from the vessel.

Also covered is the benefits from this Hadith.