4 Answers 4. active oldest votes. up vote 11 down vote. If it is sealed in an air tight container and the freezer always stays very cold so the meat never thaws-then chicken and beef will stay good indefinitely.
1 When sewer gases diffuse into household air, they gradually displace oxygen and suffocate occupants. 2  The effects of oxygen deficiency include headache, nausea, dizziness and unconsciousness. 3  At very low oxygen concentrations (less than 12%), unconsciousness and death will occur quickly and without warning.
Ammonia effects human and animal health both as a gas and as a particulate. The particulate form of ammonia has broader implications for the general public, where as the gaseous form is a localized concern for the health of animals and agricultural workers.nvironmental Impacts. When in gaseous form, ammonia has a short atmospheric lifetime of about 24 hours and usually deposits near its source (the majority of gaseous ammonia is depositied within 700 -1000 m of feedlot parimeters; 29).