I did a few of the SBS cases involving mold due to high humidity usually caused by insufficient air conditioning and proliferation of mold. Many of these bldgs had an ammonia-like odor due to off gassing by the mold. Some of the mold metabolic chemicals can be carcinogenic like the aflatoxins. See below.
Dictionary Search for a word af·la·tox·in /ˌafləˈtäksən/ Learn to pronounce nounCHEMISTRY plural noun: aflatoxins any of a class of toxic compounds that are produced by certain molds found in food, and can cause liver damage and cancer.
Regards,
David M Benjamin, PhD
Clinical Pharmacologist and Toxicologist
617-969-1393