Interesting question but I haven't a clue.
Acute responses from exposure at various concentration of chloroform in man have been reported to be: fainting sensation and vomiting from 4096 ppm; dizziness and salivation after few a minutes at 1475 ppm; increased intracranial pressure and nausea in 7 min; after-effects, fatigue and headache for several hours from 1024 ppm. [American Conference of Governmental Industrial Hygienists. Documentation of the Threshold Limit Values for Substances in Workroom Air. Third Edition, 1971. Cincinnati, Ohio: AmericanConference of Governmental Industrial Hygienists, 1971. (Plus supplements to 1979) 413]**PEER REVIEWED**
Responses associated with exposure to chloroform concentration below anesthetic or preanesthetic level are typically inebriation and excitation passing into CNS depression. Vomiting and GI upsets may be observed. Exposure includes respiratory depression, coma, renal damage, and liver damage as measured by elevated serum enzyme levels. [Clayton, G. D. and F. E. Clayton (eds.). Patty's Industrial Hygiene and Toxicology: Volume 2A, 2B, 2C: Toxicology. 3rd ed. New York: John Wiley Sons, 1981-1982. 3463]**PEER REVIEWED**