Thank you for all of your suggestions, this was extremely helpful and I'll be implementing some new policies in our lab.
R&D Facility Lead
Emerald Kalama Chemical, LLC
1296 Third St NW
Kalama, WA 98625
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu]
On Behalf Of Harry J. Elston
Sent: Monday, August 01, 2016 6:15 PM
Subject: Re: [DCHAS-L] Chemical Inventory
One of Elston's rules for chemical inventory management: If you haven't used it for 3 years, you don't need it. Some exceptions apply, but they are rare.
There are a few other rules, such as "expiration dates probably aren't" for most purposes. I think Ralph hit a good point - you're taking up valuable lab space.
On Mon, Aug 1, 2016 at 7:22 PM, Stuart, Ralph <Ralph.Stuart**At_Symbol_Here**keene.edu> wrote:
> >Regardless of shelf life, a practical consideration is whether or not a researcher would use the old chemical if fresh was available.
This also plays into the cost of storing chemicals; lab space is much more valuable when it is used to use chemicals than it is to store them. And probably the biggest cost associated with a library of chemicals in storage is paying for the human resources of a librarian to keep track of what is available in storage and what needs to be restocked...
Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College
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