Wrap Up: In DOE, In The Industry

WC Monitor
6/6/2014

IN DOE

The Department of Energy  later this month plans to hold an industry day event for the new Paducah infrastructure services contract. During the week of June 23, DOE plans to hold “a pre-solicitation conference, site tour, and one-on-one sessions with interested parties,” according to a recently posted notice. A draft Request for Proposals for the new contract is expected to be issued prior to the event, DOE said.

Dennis Yates, the Department of Energy’s Savannah River Operations Office facility representative, has been named “DOE Facility Representative of the Year.” Facility representatives focus on safety oversight and evaluation of contractor activities. “Dennis has made a vital impact on safe operations at SRS, as well as ensuring the HB-Line facility is operated safely,” Patrick  McGuire, Assistant Manager for Nuclear Material Stabilization Project, Savannah River Operations Office, said in a statement.  

IN THE INDUSTRY

Karen Wiemelt has been named the Soil and Groundwater Remediation Project vice president for CH2M Hill Plateau Remediation Co. at Hanford. She starts work at Hanford in Sept. 15. Mark Cherry has been acting vice president since the retirement of Bob Popielarczyk. Wiemelt now is CH2M Hill senior vice president of nuclear global business development. She has 25 years of experience in environmental engineering, project management and nuclear operations.

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Army Corps marks major soil cleanup in Maywood, N.J.

The U.S. Army Corps of Engineers announced last week that after three decades of work, most radioactive soil cleanup at a Superfund site 12 miles west of New York City has been completed.

A ceremony was held Oct. 5 to mark major soil cleanup of the Formerly Utilized Sites Remedial Action Program (FUSRAP) site in Maywood, N.J. It was held by the Army Corps along with the New York Division and the New Jersey Department of Environmental Protection and U.S. Environmental Protection Agency, according to an Oct. 14 press release.

More work awaits in the future, according to the release. Water cleanup is underway and not all the contaminated soil is yet accessible.

The contamination grows out of decades of thorium processing at the Maywood site.

The Army Corps’ cleanup started in 1997 and involved among other things addressing thorium-232 contamination. Some of the contamination dated back nearly a century and the EPA added Maywood to its Superfund list in 1984.

Soil remediation was completed in August at a cost of about $919 million. More than 11,000 rail cars of soil and debris were shipped offsite as part of the cleanup, according to the release.

An on-site New Jersey lab processed and analyzed over 350,000 samples in connection with the soil cleanup, according to the release.

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Hanford vit plant turns 250K gallons of liquid waste into glass

The Department of Energy Waste Treatment and Immobilization Plant (WTP) at the Hanford Site in Richland, Wash., has now converted 250,000 gallons of less radioactive tank waste into solid glass form.

In September, over 39,000 gallons were vitrified into glass form at the WTP’s Direct-Feed Low-Activity Waste (DFLAW) Facility, Bechtel National, which built the plant, said in a press release emailed to Exchange Monitor.

“Our team continues to optimize the vitrification process as we progress through the hot commissioning phase,” Brian Hartman, WTP project director and senior vice president with Bechtel, said in the release. “They processed over 110,000 gallons of waste in the last quarter. This achievement is a testament to the dedication and expertise that is advancing the Hanford cleanup mission.”

DOE is targeting solidification of 2 million gallons of low-activity waste annually at a DFLAW operational cost of $450 million per year. Bechtel, which built the WTP could turn over operation of DFLAW to Hanford Tank Waste Operations & Closure’s (H2C) in April 2027, the Tri-City Herald recently reported. . 

The long-awaited multi-billion-dollar vitrification plant started solidifying waste into glass last October. DOE Hanford Field Office Manager Ray Geimer briefed the Hanford Advisory Board on the plant during August.

During vitrification, tank waste is blended “with glass-forming materials in the Low-Activity Waste Facility’s two 300-ton melters and heated to 2,100 degrees Fahrenheit,” according to the press release. “The glass is then sealed in stainless steel containers, each of which is 4 feet wide and 7.5 feet tall and weighs approximately seven metric tons when filled.” Then the containers go to Hanford’s Integrated Disposal Facility for long-term disposal.

There is a long way to go in tank waste cleanup at Hanford. Decades of Cold War plutonium production left Hanford with about 56 million gallons of radioactive and hazardous waste held in underground tanks.

DOE is in the process of seeking approval from the Washington state Department of Ecology for solidifying some of the less-radioactive Hanford waste into a concrete-like grout. The grouted waste would be disposed of in Utah or Texas.

High-level waste solidification at Hanford is scheduled to start in the 2030s.

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