If silver oxide is such a toxin, why do we still value and use silverware?
OTOH, if you process enough, silver recovery can net you some small change. Regards, Bob... -------------------------------------------------------- "Life isn't like a box of chocolates . . it's more like a jar of jalapenos. What you do today, might burn your butt tomorrow." ----- Original Message ----- From: "John Sessoms" <[EMAIL PROTECTED]> > From: > Rebekah >>> >Silver is a cumulative toxin like mercury. >>> >> >I don't think it's such a good idea to pour used fixer down the drains. >> Where would you take it then? I've heard that lots of places that >> "dispose" of liquid waste like used oil just pour it down the drain >> too. Is there a way to check? >> >> rg2 > I know some states require photo lab wastes to be collected and disposed > of as hazardous waste. > > Here where I am in NC, we have a silver recovery unit at our mini-lab. > When we drain the waste at closing, it's run through that unit to remove > the silver before it's flushed. If we didn't have the silver recovery, > we'd have to collect our waste solutions for disposal as haz-mat. > > I've taken my exhausted B&W fix and added it to the C-41 process waste > and run it through the silver recovery. > > So, I guess the best thing is to talk to a local lab (mini or > otherwise) and see if they'll take the used fix for proper disposal > according to whatever the local law is. > > The company that supplies our silver recovery unit sells the recovered > silver, so it's recycled for industrial use. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
