Hazardous waste · inspections by year
Chemical manufacturing inspected in Montana in 2026
- 6Handlers inspected
- 7Inspections on record
- 6Handlers inspected in 2025
- 4thAmong Montana counties that year
Montana has 6 hazardous waste handlers with at least one inspection on record during 2026, across 7 separate inspections. That compares with 6 in 2025, the same number. It is the 4th largest of the 16 Montana counties with three or more handlers inspected that year. Each row below carries the date the inspection was recorded, the agency that recorded it and the kind of inspection it was.
Other years
Inspections recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-07-27 | SCENTRY BIOLOGICALS INC | Billings | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-06-09 | JUPITER SULPHUR LLC - BILLINGS | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2026-04-10 | MONTANA SULPHUR & CHEMICAL COMPANY | Billings | NON-FINANCIAL RECORD REVIEW | S |
| 2026-03-13 | REC ADVANCED SILICON MATERIALS, LLC (REC SILICON) | Silverbow | NON-FINANCIAL RECORD REVIEW | S |
| 2026-02-13 | GLAXOSMITHKLINE BIOLOGICALS N AMERICA | Hamilton | NON-FINANCIAL RECORD REVIEW | S |
| 2026-02-12 | HEXION INC | Missoula | NON-FINANCIAL RECORD REVIEW | S |
| 2026-01-28 | JUPITER SULPHUR LLC - BILLINGS | Billings | NON-FINANCIAL RECORD REVIEW | S |
Figures from EPA’s RCRAInfo download.