---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-21-030213"
form_type: "8-K"
ticker: "PESI"
cik: "0000891532"
company_name: "PERMA FIX ENVIRONMENTAL SERVICES INC"
filed_at: "2021-12-01T23:59:59+00:00"
generated_at: "2026-06-28T04:42:43.832169+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Perma-Fix Canada receives termination notice from Canadian Nuclear Laboratories on remediation contract

## Summary
- PF Canada's task order with CNL terminated for convenience; most work already completed.
- Unpaid receivables and unbilled costs due from CNL total approximately $1.6 million.
- Approximately $845,000 in contractual holdback payable to PF Canada; CNL has a $1.9M bond for issues.
- CNL may assert setoff claim for costs related to termination; PF Canada discussing payment.

## SEC filing metadata
- accession: 0001493152-21-030213
- form_type: 8-K
- ticker: PESI
- cik: 0000891532
- company_name: PERMA FIX ENVIRONMENTAL SERVICES INC
- filed_at: 2021-12-01T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/891532/000149315221030213/0001493152-21-030213-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891532/000149315221030213/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-21-030213
- JSON: https://secwatch.observer/filing/0001493152-21-030213.json
- Plain text: https://secwatch.observer/filing/0001493152-21-030213.txt

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