Yes, with the exception of the picric acid based solutions



> Jennifer, when you say you combine all your wastes, do you also combine
all
> special stain waste?
>
> Thanks!
>
> Marg
>
>
> -----Original Message-----
> From: Jennifer MacDonald [mailto:jmacdona@mtsac.edu]
> Sent: Friday, March 23, 2001 9:41 AM
> To: Mike Kirby; Histonet
> Subject: Re: Mixing of chemicals for disposal
>
>
> We have always combined all of our wastes.  The company that hauls our
waste
> is aware of the combinations and has no problem with it.  The company we
> used prior was the same.  We do not add any reagents containing picric
acid
> to this mixture.  These are taken separately.
>
> Jennifer MacDonald
>
>
> >
> > 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.
> >
> >
>