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.
Sewage: Most sewer lines smell like they do because of methane. If you smell methane in your home the most likely cause is a ruptured sewer main near the ductwork. Methane gas can seep into the system and spread throughout the house. Methane is harmful in large quantities, flammable, and has a very unpleasant smell.