An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.



Following the table across, the action level is a concentration that triggers some type of control or treatment. The AL for lead and copper is based on the 90 percent rule - 90 percent of all samples taken must be below the AL. Buckley's 90th percentile result was .5 parts per million for copper and less than 2 parts per billion for lead. Maximum contamination level is the limit below which there is no known or expected risk to health. Buckley did not violate the lead and copper rule.

Download Image: Full Size (0.01 MB)
Photo by:  |  VIRIN: 070629-F-JZ502-709.JPG