Weapons Complex Monitor Vol. 37 No. 22
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Weapons Complex Monitor
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June 05, 2026

Wrap Up: Ex-congressman to run BLM; Tetra Tech wins biz; Veolia expands; more

By ExchangeMonitor

Stevan Pearce, a former Republican congressman who represented the area around the Department of Energy’s Waste Isolation Pilot Plant (WIPP), was confirmed by the Senate last month to be director of the Interior Department’s Bureau of Land Management (BLM).

Pearce was among a large bloc of GOP nominees narrowly confirmed by the Senate 46-to-43 on May 18. According to its website, “BLM manages one in every 10 acres of land in the United States, and approximately 30 percent of the Nation’s minerals.” President Donald Trump nominated Pearce to the post on Jan. 13.

Pearce represented New Mexico’s 2nd congressional district first from 2003 through 2009 and again from 2011 through 2019, according to the Ballotpedia website. Pearce also ran and lost the 2018 governor’s election in New Mexico to Michelle Lujan Grisham (D), who currently holds the office.

Tetra Tech has been awarded a contract valued at nearly $1.8 million to assist the Department of Energy’s National Nuclear Security Administration (NNSA) in developing federal environmental policy documents.

The work involves technical support services for National Environmental Policy Act (NEPA) compliance for site-wide document development for NNSA’s Office of Environment, Safety, and Health, according to an award notice posted online Monday via the federal procurement website, SAM.gov. The DOE contact person listed is Samantha Sartori, samantha.sartori@nnsa.doe.gov. DOE issued a solicitation earlier this spring and bids were due April 1.

Based in Pasadena, Calif., Tetra Tech is a global consulting and engineering company focused on water and environmental work. Tetra Tech is publicly traded on NASDAQ. The company has worked on NEPA environmental studies for DOE before.

Veolia, the international environmental services company, announced Monday it has completed its purchase of Pennsylvania-based Clean Earth, a hazardous waste management company.

Veolia, which in North America is involved in nuclear remediation-related work, said the transaction is valued at $3 billion. Clean Earth handles everything from contaminated soil and dredge material to per- and polyfluoroalkyl substances (PFAS), the so-called “forever chemicals.”

The deal should basically double Veolia’s hazardous waste business in the United States and increase its overall U.S. revenue to $6.3 billion, the company said in a Monday press release.

Virginia-based Amentum has appointed Sam Nazari the company’s chief artificial intelligence (AI) architect, the company said in a May 19 press release

Nazari worked for Amentum leading key AI initiatives at DARPA. Prior to joining Amentum, he held roles at Scientific System Company, Inc. (SSCI) and Systems & Technology Research (STR), driving AI and machine learning (ML) advancements for the Department of Defense. 

Bechtel is expanding its office space in its Reston, Va., headquarters, the Washington Business Journal reported this week

The engineering company with a major footprint in the nuclear industry now controls two floors within a nine-story office tower in Reston. Located about 22 miles outside of Washington, D.C. 

“As global demand for new energy, infrastructure, and manufacturing capacity continues to grow, we’ve expanded our office footprint in Reston to support our business and the teams delivering this work,” a Bechtel spokesperson said in a Thursday email to Exchange Monitor.  The region remains a key location for attracting talent and supporting our customers’ most important projects”

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