> I guess lead from the old leaded gasoline This is a major issue in parts of Oakland, not South Bay but not far away [1]. [1] https://en.wikipedia.org/wiki/L

> I guess lead from the old leaded gasoline This is a major issue in parts of Oakland, not South Bay but not far away [1]. [1] https://en.wikipedia.org/wiki/Lead_contamination_in_Oakland https://en.wikipedia.org/wiki/Lead_contamination_in_Oakland