We have been told this as well. We used to keep the used formalin in the
"cubes" it had originally come in and a company would come and take it away.
Now I believe the histo lab uses a neutralizing agent that allows it to be
dumped down the drain.
b

> -----Original Message-----
> From:	Mike Kirby [SMTP:mikek@mail.saimr.wits.ac.za]
> Sent:	March 20, 2001 2:54 AM
> To:	Histonet
> Subject:	Mixing of chemicals for disposal
> 
> 
> Fellow Histonetters.
> 
> In our Organisation, we tend to combine our waste solvents (Ethanol &
> Xylene)with the formalin waste into one drum, and then send it away for
> disposal. I have been informed that this is a "no, no" and that formalin
> should be kept in it's own, as it can form an explosive mixture if
> combined
> with the solvents.
> True or false?
> 
> Mike Kirby
> S.A.I.M.R
> Johannesburg
> South Africa.
>