[Rockhounds] Used cutting oil

[Brenda Van Dyke]

the left-over sludge can really go in the garden??

Brenda

On Wed, Apr 16, 2008 at 10:47 PM, Kreigh Tomaszewski <Kreigh at tomaszewski.net>
wrote:

> Dave Fitch wrote:
> >
> > I recently purchased a used Covington slab saw. The previous owner
> drained the oil that he could but left a thick muck on the bottom. After
> scraping it out I have a little more than two quarts of oily mud (that may
> or may not be hazardous because I don't know what he was cutting). The oil
> is supposed to be Kingsley-North's Lubri-Kool which they say is non-toxic.
> Any suggestions as to how to dispose of this mess (and any mud I may
> generate in the future)?
> >
> > Dave in Illinois
> >
>
>
> Dave,
>
> The common method of dealing with sludge in your saw is to recycle the
> oil.
>
> Get a bucket and put a stiff screen or collander on top of it to support
> a paper grocery bag. Put your sludge and oil in the bag. The oil will
> soak thru the paper and drip into the bucket over a few days and can go
> back into the saw.
>
> The bag with the remaining sludge could go into your flower garden as a
> mineral suppliment, get thrown into the garbage, or go to your local
> hazardous waste disposal facility, depending on what you have been
> cutting.
>
> BTW, no matter how non-toxic your cooling oil is, you don't want to
> inhale it as mist or get it in your eyes. Please take reasonable
> precautions when cutting.
>
> Kreigh
>
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