Our national analysis of samples collected from 16 cities found that out of 15,595 household soil samples, 12.3% – one in every eight – exceeded the old federal screening level of 400 parts per million. When the standard is adjusted down to the proposed level of 200 parts per million, 23.7% of households – nearly 1 in 4 – contain a lead hazard
Thank god I don't touch grass!
More seriously though, does the lead concentration matter if no food is planted in the soil?
Well a leak in a water pipe could poison you rather than just being a mild earthy taste
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What is geoscience?
Geoscience (also called Earth Science) is the study of Earth. Geoscience includes so much more than rocks and volcanoes, it studies the processes that form and shape Earth's surface, the natural resources we use, and how water and ecosystems are interconnected. Geoscience uses tools and techniques from other science fields as well, such as chemistry, physics, biology, and math! Read more...
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