7-10 Days. Of course, all food and drink products last for a shorter period of time if they are not stored properly. But remember, sour cream, like a lot of other dairy products, usually has a sell by date, which is simply the last date it should be sold, not consumed.
Here are the EPAâs definitions: 1  Caution: Harmful if swallowed, inhaled or absorbed through the skin. 2  Warning: May be fatal if swallowed, inhaled or absorbed through the skin. Also indicates products that can easily catch on fire. 3  Danger: Fatal if swallowed, inhaled or absorbed through the skin.
Nature of a toxic substance. Definition of a poison. A poison is a substance capable of producing adverse effects on an individual under appropriate conditions. The term âsubstanceâ is almost always synonymous with âchemicalâ and includes drugs, vitamins, pesticides, pollutants, and proteins. Even radiation is a toxic substance.