Perma-Fix Receives Final Dangerous Mixed Waste Permit Renewal
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 09 2026
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Perma-Fix Environmental Services announced that it has received a final Dangerous Mixed Waste Permit Renewal for its Perma-Fix Northwest, PFNW, Mixed Waste Facility, MWF, located in Richland, Washington. The permit, issued by the Washington Department of Ecology, became effective January 1, 2026. The renewed permit updates PFNW's original 1999 permit to reflect the facility's current treatment units, infrastructure, safety systems, and operating practices, and represents a significant milestone for the Company's nuclear services platform. PFNW has continued to operate safely under its prior permit while the renewal process was underway and also maintains separate radioactive material licenses from the Washington Department of Health.
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About PESI
Perma-Fix Environmental Services, Inc. is a nuclear services company and a provider of environmental remediation and mixed waste management services. Its segments include Treatment and Services. The Treatment segment includes nuclear, low-level radioactive, mixed waste, hazardous and non-hazardous waste treatment, processing, and disposal; and research and development activities to identify, develop and implement innovative waste processing techniques for problematic waste streams. The Services segment includes technical services, nuclear services and the Company-owned equipment calibration and maintenance laboratory that services, maintains, calibrates, and sources health physics, industrial hygiene (IH) and customized nuclear, environmental, and occupational safety and health (NEOSH) instrumentation. Its technical services include professional radiological measurement and site survey of large government and commercial installations using advanced methods, technology and engineering.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Perma-Fix Receives Dangerous Mixed Waste Permit Renewal, Tripling Capacity to 1.2 Million Gallons
- Permit Renewal: Perma-Fix has received a Dangerous Mixed Waste Permit Renewal from the Washington Department of Ecology, marking a significant milestone since 1999 and ensuring compliance and safety for the PFNW facility.
- Capacity Expansion: The new permit triples PFNW's liquid mixed waste processing capacity from 400,000 gallons to 1.2 million gallons annually, significantly enhancing its competitive position in the nuclear waste management market.
- Increased Flexibility: The permit also authorizes PFNW to process up to 175,000 tons of waste annually through macroencapsulation, providing additional capacity and operational flexibility to meet more complex waste treatment requirements.
- Strategic Positioning: This permit renewal lays the groundwork for future technological upgrades and expansion initiatives at PFNW, particularly in supporting cleanup efforts at the Hanford site, thereby enhancing its competitive advantage in the market.
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Waste Management Stocks Decline, Led by Perma-Fix Down 3%
- Market Underperformance: On Wednesday, waste management stocks collectively fell by approximately 1.1%, indicating pressure on the sector, particularly with Perma-Fix Environmental Services experiencing a 3% decline, which may undermine investor confidence in the industry.
- Sector Leaders in Decline: Montrose Environmental Group also faced challenges, with a 2.2% drop in stock price, reflecting a broader pessimistic sentiment towards the waste management sector that could lead to capital outflows from this segment.
- Investor Attention: As waste management stocks decline, investors may reassess their portfolios in the environmental sector, especially amid increasing economic uncertainty, potentially impacting future capital flows.
- Market Trends: This trend may signal short-term challenges for the waste management industry, prompting investors to closely monitor the financial health of related companies and their strategies for navigating market volatility.
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