Srimad Bhagavatam Canto 10, Chapter 41, Text 13

 SB 10.41.13

punihi pada-rajasa
 grhan no grha-medhinam
yac-chaucenanutrpyanti
 pitarah sagnayah surah
 
Translation: 
 
I am simply an ordinary householder attached to ritual sacrifices, so please purify my home with the dust of Your lotus feet. By that act of purification, my forefathers, the sacrificial fires and the demigods will all become satisfied.
Srimad Bhagavatam Canto 10, Chapter 41, Text 12
Srimad Bhagavatam Canto 10, Chapter 41, Text 14