The EM Los Alamos Field Office (EM-LA) is dedicated to the cleanup of legacy contamination of radioactive and chemical materials and waste resulting from operations during the Manhattan Project and Cold War eras at the Los Alamos National Laboratory (LANL) in New Mexico. EM-LA’s cleanup scope includes legacy waste remediation and disposition, soil and groundwater remediation, and deactivation and decommissioning of excess buildings and facilities.

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Office of Environmental Management

EM-LA News

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Field Manager

Ellie Gilbertson

Sarah “Ellie” Gilbertson, Acting Manager



Sarah (Ellie) Gilbertson began serving as the Acting EM-LA manager in March 2024. Prior to this appointment, Gilbertson served as the EM-LA deputy manager since February 2023. 

High-Level Budget Information

FY22 Enacted

(In the millions)

FY23 Request

(In the millions)

FY23 Enacted

(In the millions)

FY24 Request

(In the millions)

FY24 Enacted

(in the millions)

FY25 Requested

(in the millions)


For more information on the Office of Environmental Management's budget process and performance check out the Budget & Performance page.

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