Hathama - for both food and chemicals, the environmental conditions determine the shelf life much more than do expiration dates. Those dates are arbitrary, made-up dates, particularly so for chemicals. For instance, many inorganic compounds will remain stable for hundreds of years if stored properly. For most chemicals, cool and dry conditions are best. I would, however, pay much more attention to expiration dates for foods! Obviously, storing many foods in cold conditions or in a freezer can substantially extend their safe use time.
Russ
Russ Phifer
WC Environmental, LLC
1085C Andrew Drive
West Chester, PA 19380
610-696-9220x12/ fax 610-344-7519
Cell - 610-322-0657
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visit http://wcenvironmental.advanceonline.com !
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From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Yahoo! Customer Care
Sent: Friday, May 25, 2012 7:12 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] expire dates
Can anybody tell where i can find information about how long i can use the things ( chemicals & foods ) after their expire dates . I know it depends on their natures ,but i need more detailes information concerning this subject.So any body can help? i will be very gratefull.
