Example of soil lead contamination (IMAGE)

American Geophysical Union

Example of soil lead contamination

Caption

Lead levels in soil samples in Chicago, generated from the community lead portal. Urban households are likely to have multiple sources of lead exposure, making the screening level 100 ppm. Note how few samples here are under that level (darkest blue dots).

Credit

AGU

Usage Restrictions

Credit must be given to the creator.

License

CC BY

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.