Speaking of the earth, there's an abandoned lead mine that hosts visitors (in boats) and scuba divers.
https://www.onlyinyourstate.com/missouri/bonne-terre-mine-mo/
Here's an article on the safety of lead weights
https://www.scubaboard.com/community/threads/lead-soft-wieghts-can-be-harmful-to-your-health.137602/
Is lead in landfills a health hazard?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1247531/
But is the lead that is actually in landfills a health threat? “It has never been shown that lead is actually leaching out of landfills,” says Fern Abrams, director of environmental policy at IPC–Association Connecting Electronics Industries, an industry group based in Northbrook, Illinois. And although lead is known to be present in landfills, some of it may come from other constituents. “Electronics in general are one percent of the waste that goes into a landfill,” says Jan Whitworth, a policy analyst with the Oregon Department of Environmental Quality. So if lead were to be found in leachate, it would be very hard to say for sure whether it had come from electronics.
Even so, the European Union has banned lead solder in certain electronic devices beginning in 2006, due to landfill concerns. California already bans disposal of CRTs and televisions in household waste landfills. Oladele Ogunseitan, an associate professor of social ecology at the University of California, Irvine, who is evaluating the phaseout of lead solder, thinks it makes sense to allow manufacturers to use hazardous materials when alternatives are not available, but to require recycling. Today, many computer manufacturers will recycle discarded computers, but often will charge a fee.
-----Original Message-----
From: TechNet <[log in to unmask]> On Behalf Of Jack Olson
Sent: Thursday, September 27, 2018 10:51 AM
To: [log in to unmask]
Subject: Re: [TN] Prop 65 and RoHS compliance
I think the earth contains a significant amount of lead.
Maybe we should label the earth...
On Mon, 24 Sep 2018 17:11:38 +0000, Stadem, Richard D <[log in to unmask]> wrote:
>Yes, if you write code that includes the words "lead", "chromium", "BPA", "bromines" or "Bromidated", etc, you need to label the software with a warning that the software may contain these words and could scare the living crap out of the Californians.
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Robert Kondner
>Sent: Monday, September 24, 2018 11:08 AM
>To: [log in to unmask]
>Subject: Re: [TN] Prop 65 and RoHS compliance
>
>Wow,
>
> Glad that I do more software now days.
>
>Does the Great State of California have a label requirement for software?
>
>Bob K.
>
>-----Original Message-----
>From: TechNet <[log in to unmask]> On Behalf Of Blair Hogg
>Sent: Monday, September 24, 2018 11:42 AM
>To: [log in to unmask]
>Subject: [TN] Prop 65 and RoHS compliance
>
>Hello Technetters,
>
>Since now anybody and everybody can be sued in Cali if you don't put a label of some kind on your products, We've been labeling just about everything. I'm sure you all are doing the same, and maybe have been for some time.
>
>From what I understand, the label has to state the bad stuff that the product contains - lead, chromium, BPA etc.
>
>I've been told that even an RoHS compliant product should be labeled for lead as there is enough lead in the copper used to make the board that it will need the label. Any thoughts on this? I'm aware that there can be lead internal to the components in the assembly and still be RoHS compliant, which would require a label, but without researching every component, there is no way to determine this. If the copper in the PCB does contain lead, I don't need to check the components.
>
>Thanks all,
>Blair
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