---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-23-024942"
form_type: "8-K"
ticker: "PESI"
cik: "0000891532"
company_name: "PERMA FIX ENVIRONMENTAL SERVICES INC"
filed_at: "2023-07-19T23:59:59+00:00"
generated_at: "2026-06-13T06:45:07.825563+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Perma-Fix signs labor agreement with UA Local 598 for potential Hanford waste treatment

## Summary
- Signed PLA with UA Plumbers & Steamfitters Local 598 on July 14, 2023 to support Perma-Fix Northwest Facility.
- Partnership aims to provide grout treatment alternative for Hanford's Low Activity Tank Waste if DOE awards contract.
- Grout would supplement DOE's glassifying process at Hanford Vitrification Plant for safe off-site disposal.
- Key government officials and community leaders attended signing event expressing support for the project.
- DOE has been exploring options to add capacity for 56 million gallons of tank waste at Hanford Reservation.

## SEC filing metadata
- accession: 0001493152-23-024942
- form_type: 8-K
- ticker: PESI
- cik: 0000891532
- company_name: PERMA FIX ENVIRONMENTAL SERVICES INC
- filed_at: 2023-07-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/891532/000149315223024942/0001493152-23-024942-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891532/000149315223024942/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-23-024942
- JSON: https://secwatch.observer/filing/0001493152-23-024942.json
- Plain text: https://secwatch.observer/filing/0001493152-23-024942.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.