Hazardous waste · inspections by year
Hazardous waste inspections in Montgomery County, Maryland in 2026
- 9Handlers inspected
- 9Inspections on record
- 35Handlers inspected in 2025
- 3rdAmong Maryland counties that year
Montgomery County, Maryland has 9 hazardous waste handlers with at least one inspection on record during 2026, across 9 separate inspections. That compares with 35 in 2025. It is the 3rd largest of the 11 Maryland 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
By what a handler generates, in 2026
Comparable counties in Maryland, 2026
- Prince George'S County 10
- Howard County 6
- Wicomico County 6
- Anne Arundel County 4
- Baltimore County 4
- Cecil County 4
- Frederick County 4
- Harford County 4
Inspections recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-07-28 | SMITHERS AVANZA TOXICOLOGY SERVICES | Gaithersburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-07-01 | BIORELIANCE BUILDING 5 | Rockville | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-05-14 | FORT DETRICK- FOREST GLEN ANNEX | Silver Spring | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-04-27 | NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | Gaithersburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-04-09 | NIH AT 9800 MEDICAL CENTER DRIVE | Rockville | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-04-03 | UNITED THERAPEUTICS CORPORATION | Silver Spring | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-03-06 | MESO SCALE DIAGNOSTICS, LLC | Gaithersburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-03-06 | MESO SCALE DIAGNOSTICS, LLC | Rockville | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-01-09 | NIH TWINBROOK III FACILITY | Rockville | COMPLIANCE EVALUATION INSPECTION | S |
Figures from EPA’s RCRAInfo download.