Reference for Niddah 17:58

אפילו למ"ד אינה צריכה שיעור ה"מ אגבא דגברא אבל במנא בעינא שיעור

in the case of which the man who sprinkles it as well as the man upon whom it is sprinkled is clean while he who touches it is unclean. But is the man who sprinkles it clean? Is it not in fact written, And he that sprinkleth the water of sprinkling shall wash his clothes?<span class="x" onmousemove="('comment',' Ibid. 21. ');">⁵⁵</span>

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