Shiva Purana
अत्यंतोपहतं लिंगं विशोध्य स्थापयेत्पुनः ॥ संप्रोक्षयेदुपहतमनागुपहतं यजेत् ॥ ५८ ॥
Too much unclean Liṅga shall at first be purified and reinstalled. Unclean Liṅgas shall be sprinkled with holy water. Slightly unclean Liṅgas too shall be worshipped.
english translation
atyaMtopahataM liMgaM vizodhya sthApayetpunaH ॥ saMprokSayedupahatamanAgupahataM yajet ॥ 58 ॥
hk transliteration by Sanscript