What is happening? Atlantic Richfield is starting construction at the Grove Gulch project site immediately south of I-90, east of Lexington Avenue. This work is being conducted in accordance with the Butte Priority Soils Operable Unit (BPSOU) Consent Decree (EPA...
Atlantic Richfield Company is conducting a design investigation along the upper Silver Bow Creek trail, adjacent to Harrison Avenue and the Butte Civic Center. The purpose of the investigation is to collect geotechnical data that will be used to support the design of...
On April 3, 2024, EPA posted responses to emails received from Dr. John Ray on February 20th and 29th, and March 1st and 6th, 2024. EPA compiled all emails and corresponding responses into one document and can be found here:
https://semspub.epa.gov/work/08/100014839.pdf