The correct option is B Chloroform
1. Chloroform has been discontinued for use as anesthetic in medicine due to effect on liver and heart.
2. Used in lacquers, plastics and refrigerant manufacture.
3. exposure routes: inhalation, ingestion, dermal
4. Suspected animal carcinogen (liver, renal)
5. Present in drinking water as a byproduct of chlorination to disinfect water