Shiva Purana
क्षाराद्यैश्च क्रमात्सर्वा इहैव यमयातनाः ॥ भवंति मुनिशार्दूल सत्यंसत्यं न संशयः ॥ १७ ॥
O excellent sage, it is true, true. There is no doubt. Tortures of Yama by acids etc. take place here itself in the hells.
english translation
kSArAdyaizca kramAtsarvA ihaiva yamayAtanAH ॥ bhavaMti munizArdUla satyaMsatyaM na saMzayaH ॥ 17 ॥
hk transliteration by Sanscript