Just for your information, in your average hamburger, the cheese, bun, and lettuce all have higher levels of ammonia in them than the meat. (thelunchtray.com)
They are exposed to extreme heat and cold as well as dangerously high levels of ammonia that arises from urine build - up. (animalrescuecorps.org)
«Several had vision issues, which is consistent with areas of high levels of ammonia,» a substance in cat urine. (shelterme.tv)