CommentStreams:4abc9590ed8ac30362320ba41750f92c

the EU RoHS “6(c)” exemption allows up to 4% lead in copper alloys (brass) by weight. - Copper Development Association

How children actually get exposed to lead:

The big risk route is ingestion (hand‑to‑mouth or mouthing an object). This is why California targeted brass keys—kids put them in their mouths and measurable lead transfers from handling/mouthing.