Regarding lead in home water pipes, some homes have acid water. The water will dissolve a bit of solder overnight. Also your kitchen faucet is probably made of brass with up to 2% lead added to help the chips break up when the brass is machined. It is good practice to run just a bit of water into the sink before you collect some for drinking or cooking. I have used the plumbing solder with antimony in it and cannot tell the difference. Copper pipes are on their way out anyway.

The EPA has written rules that has made many other businesses unprofitable.

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Luke 22:36