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.
It is this back flow prevention that prevents sewer gas from escaping into the house. Sewer gas can contain many noxious odors which at the least, may smell like rotten eggs and at their worst, can be explosive and poisonous. The traps installed in the plumbing lines help to form a barrier of water within the P-trap.