Bismillahi Al-Rahmani Al-Rahim
Uncertainty Regarding The Purity Of Dirt
What if you have dirt and you are unsure whether it is pure or not (i.e. you're in the middle of a park and all the water fountains are out, and all there is is dirt), does one presume its pure?
al-salamu `alaykum wa rahmatullahi wa barakatuhu
As for the issue of the dirt, the first section of Zad Al-Mustaqni` includes
And Allah knows best.
wa al-salamu `alaykum