From: Harry J. Elston <helston**At_Symbol_Here**midwestchemsafety.com>
Subject: Re: [DCHAS-L] Proper Disposal of Carosafe solvent.
Date: Thu, 7 Jan 2016 08:15:06 -0600
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: CAJ2hcfcTk+S9DMY_+qYp_9qWLqX9XM-xF6g09w8_Kc_+9zTusQ**At_Symbol_Here**mail.gmail.com
In-Reply-To <4AA3FB38-93B9-4F26-A1FC-8C21AD0A61CC**At_Symbol_Here**ilpi.com>


While not a Federal RCRA hazardous waste, locals may have quite a different opinion. Remember, local POTWs may always have more restrictive regulations than the Feds. My advice would be to check with the POTW. Or, as James said, hand it off to a TSDF for disposal.

Harry

On Wed, Jan 6, 2016 at 1:17 PM, ILPI Support <info**At_Symbol_Here**ilpi.com> wrote:
Never used it, but a quick web search turns up this:

http://www.carolina.com/teacher-resources/Interactive/preserved-specimen-disposal-guidelines/tr10906.tr?intid=10782_700_t_preserveddisposalguide

Preservative fluids

Often with preserved specimens in pails of Carosafe =AE or Carolina's Perfect Solution =AE, the fluids can be safely discharged into a sanitary sewer system. Neither fluid is classified as a federal hazardous waste, and the quantities are generally small. However, you should check with the local wastewater authority (local governmental authority in charge of wastewater treatment or the supervisor of the wastewater treatment plant) to make sure that this is acceptable practice. If it is, simply pour the fluids into a sink and flush them down the drain with running water. Carolina's Perfect Solution =AE is a proprietary product whose formulation is a protected trade secret, and we are unable to provide component information for disposal decisions; however, we can work with local authorities to verify that materials of special concern to them are not present in the solution.

Caution: If your school is equipped with its own septic system or aerobic waste treatment system, seek advice from a supervisor or administrator before discharging Carosafe =AE or Carolina's Perfect Solution =AE into it. Even these safe chemicals may upset the microbiological balance important to the proper functioning of these systems.

Talk to the folks at your wastewater treatment facility and conference in Carolina Biological Supply Company if they have concerns.

Rob Toreki

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On Jan 6, 2016, at 1:58 PM, Richard W. Denton <rwdenton3**At_Symbol_Here**GMAIL.COM> wrote:

Hi:
Best of the New Year to everyone.
I was bombarded with a question yesterday about the right way to dispose of gallons of Carosafe liquid. It is a liquid that is used to preserve dead pigs and our biology department has gallons of it. This mixture consist of water (89%), propylene glycol (10.01%), 2-amino-2-ethyl-1,3- propanediol (0.66%) and 2-Phenoxyethanol (0..33%), according to the SDS.
Has anyone work with this liquid before and what is the best and legal way to dispose of it within NY state?
Thank you,
Richard Denton, CHO





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