We have stains from at least twenty years ago, judging by their labels--they have no date on them! I always wondered how long neutral red lasts, but apparently, it lasts a long, long time. We are not a clincial lab though, we do research.
Emily "By bitching and bitching and bitching, they could exhaust the drama of their own horror stories. Grow bored. Only then could they accept a new story for their lives. Move forward." -Chuck Palahniuk, "Haunted" On Wed, Apr 10, 2013 at 6:51 PM, Elizabeth Chlipala <l...@premierlab.com>wrote: > Cheryl > > We are not a clinical lab, but we are GLP compliant. This is how we deal > with dry chemicals and stains. A lot of times they do not come with an > expiration date. If no expiration date/retest date is listed we give them > an expiration date/retest date of 5 years post receipt. After that date > we place them in a special area that is marked - Past Retest Date - Do not > use until retested. We have a reagent control SOP that explains all of > this. I'm not familiar with the "Good until used" designation. For retest > we just run a special stain that contains a solution prepared from the > chemical and if it stains appropriately we give that chemical a new > expiration/retest date and just make sure we document the process > appropriately. We just initiated this SOP recently so have not yet had to > perform any retests. We update our chemical inventory as new chemicals > are ordered, but once a year we review and check all our chemicals for > inventory and that we have updated MSDS's available. I can send a pdf of > our reagent control SOP if you would like it. If you are striving to be a > GLP compliant lab and are heading to NSH convention this year I'll be > giving a workshop on GLP compliance in the histology lab with our Facility > Quality Assurance Manager. > > Liz > > Elizabeth A. Chlipala, BS, HTL(ASCP)QIHC > Laboratory Manager > Premier Laboratory, LLC > PO Box 18592 > Boulder, CO 80308 > Work (303) 682-3949 > Fax (303) 682-9060 > Cell (303) 881-0763 > l...@premierlab.com > www.premierlab.com > > Ship to address: > > 1567 Skyway Drive, Unit E > Longmont, CO 80504 > > > > -----Original Message----- > From: histonet-boun...@lists.utsouthwestern.edu [mailto: > histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Cheryl > Sent: Wednesday, April 10, 2013 4:25 PM > To: histonet@lists.utsouthwestern.edu > Subject: [Histonet] Talk to me about shelf life and outdates > > We're prepping for an inspection and I have a small amount of older > powdered dyes and substances we can't get any more. They're dated 'Good > until used'. > > Would someone elaborate on how we came to have outdates on things that > never had them before, and how those outdates are determined? > > Is there a procedure or policy you might share so we can keep our old but > good items in service until we run out rather than in 12 months (EEEK!!!) > > Many thanks! > > Cheryl > > > Cheryl Kerry, HT(ASCP) > Full Staff Inc. > Staffing the AP Lab by helping one GREAT Tech at a time. > 281.852.9457 Office > 800.756.3309 Phone & Fax > ad...@fullstaff.org > > Sign up for the FREE newsletter AP News--updates, tricks of the trade and > current issues for Anatomic Pathology Clinical Labs. Send a 'subscribe' > request to apn...@fullstaff.org. Please include your name and specialty > in the body of the email. > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > http://lists.utsouthwestern.edu/mailman/listinfo/histonet > > _______________________________________________ > Histonet mailing list > Histonet@lists.utsouthwestern.edu > http://lists.utsouthwestern.edu/mailman/listinfo/histonet > _______________________________________________ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet