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## Trivarnika Achar (Chapter 35)
**45.** Do not take earth from these five places: the courtyard of the house, the temple, the burrows, the burrows of mice, and the earth remaining after defecation.
**46.** Similarly, do not use earth from these five places for purification: the place where excrement is disposed, the roots of trees, the well, the pond, and the tank.
**47.** Do not take earth from the road, the surface of the earth, the cremation ground, dust, earth mixed with insects, embers, bones, and pebbles.
**48.** Take earth from a clean place, the bank of a river, a plowed field, and a mine of alum.
**49.** If the earth mentioned above for all four castes is not available, then the householder can perform purification with whatever earth is available in that country.
**50.** Make several balls of that earth. The first ball should be the size of a bilva fruit, the second half the size of the first, and the third half the size of the second.
**51.** Purify the linga with one ball, the hands with three, both feet with two, the anus with five, the nails with seven, and the entire body with one.
**52.** If the prescribed purification is done, half of it is prescribed for the night, half of that for the sick, and half of that for the journey.