--- On Tue, 10/16/12, James Cameron <[email protected]> wrote: > From: James Cameron <[email protected]> > Subject: Re: XO-1.5's sudden death - oven resurrected! > To: "Yioryos Asprobounitis" <[email protected]> > Cc: "OLPC Devel" <[email protected]>, "Chris Leonard" > <[email protected]> > Date: Tuesday, October 16, 2012, 12:26 AM > On Mon, Oct 15, 2012 at 09:09:07PM > -0700, Yioryos Asprobounitis wrote: > > Having said that, in cases like the XO boards I think > that we could > > and *should* know, at least the chemicals involved > > Means that for each assembly, down to component level, the > materials > would have to be determined, along with the expected outgas, > and then > compared against a food safety standard. We might have > to start > several new production processes for components in order to > meet > standards for edibility and kitchen equipment safety. > > I estimate the cost per laptop would rise by a factor of > 1000 or so. > > I'm sorry, but we cannot afford this kind of ideal.
Sure! If you have no intention to provide the *names* of the "chemicals involved"... Seriously though, looking at the RoHS it would appear the known toxic chemicals are bellow 0.1% (1000ppm) on the original material. Considering volatility and standards, I would say pretty safe! Standard floor dast wipes in a city home or outdoors soil for example, give ~200ppm for lead, and in the wilderness soil lead is still 50ppm. Cadmium is also pretty safe given that its limit in *food colors* is 15ppm. This would be true for the rest of the chemicals in the list. But I'm interested on what is not in the list (Not its level necessarily). Disclosure: I'm a chemist by training :-) > > -- > James Cameron > http://quozl.linux.org.au/ > _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
