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.
Chemical contaminants are chemicals toxic to plants and animals in waterways. The phrase 'chemical contamination' is used to indicate situations where chemicals are either present where they shouldnât be, or are at higher concentrations than they would naturally have occurred.