Desotec US LLC
As of Oct 20, 2026, Desotec US LLC in Darlington, Pennsylvania received 2,315 tons of hazardous waste from off-site in the 2023 Biennial Report and has 2 RCRA violations determined in the last five years.
Verified Oct 20, 2026 against U.S. EPA RCRAInfo
Desotec US LLC (EPA ID PAD987270725) is a permitted hazardous-waste treatment, storage and disposal facility in Darlington, Pennsylvania, operated by Mathias Meersseman. Operating permitted units: thermal treatment, storage. In the 2023 Biennial Report it received 2,315 tons of hazardous waste from off-site. EPA waste-code classes received: Wood-preserving wastes and leachate (F032–F039), Toxic discarded chemicals (U codes), Ignitable waste (D001), Toxic organics (D012–D043), Spent solvents (F001–F005). Received waste was managed mainly by other recovery. Last on-site inspection: August 25, 2026. In the last five years: 7 inspections, 2 violations, 0 formal enforcement actions and $0 in final penalties. Most cited areas: TSD - General; Generators - General. It is not currently flagged as a significant noncomplier.
Key facts
| Facility type | Waste management firm source, observed Oct 19, 2026 |
|---|---|
| Off-site receipts (latest Biennial Report) | 1,000–10,000 tons source, observed Oct 19, 2026 |
| Violation record (5 years) | 1–5 violations source, observed Oct 19, 2026 |
| How received waste was managed | Other recovery source, observed Oct 19, 2026 |
| Waste received, by EPA code class | Wood-preserving wastes and leachate (F032–F039), Toxic discarded chemicals (U codes), Ignitable waste (D001), Toxic organics (D012–D043), Spent solvents (F001–F005) source, observed Oct 19, 2026 |
| Permitted operating units | Thermal treatment, Storage source, observed Oct 19, 2026 |
| Final penalties, last 5 years | 0 USD source, observed Oct 19, 2026 |
| Formal enforcement actions, last 5 years | 0 source, observed Oct 19, 2026 |
| Last on-site inspection | Aug 25, 2026 source, observed Oct 19, 2026 |
| Significant noncomplier now | No source, observed Oct 19, 2026 |
| EPA ID | PAD987270725 source, observed Oct 19, 2026 |
| Operator | Mathias Meersseman source, observed Oct 19, 2026 |
| Owner type | Private source, observed Oct 19, 2026 |
| Off-site receipt flag (RCRAInfo notification) | Yes source, observed Oct 19, 2026 |
| Commercial TSDF | Yes source, observed Oct 19, 2026 |
| Waste received from off-site | 2,315.4 tons source, observed Oct 19, 2026 |
| Biennial Report cycle | 2023 source, observed Oct 19, 2026 |
| Inspections, last 5 years | 7 source, observed Oct 19, 2026 |
| Violations, last 5 years | 2 source, observed Oct 19, 2026 |
| Violations not yet returned to compliance | 0 source, observed Oct 19, 2026 |
| Violation areas (5 years) | TSD - General, Generators - General source, observed Oct 19, 2026 |
| Universal waste destination facility | No source, observed Oct 19, 2026 |
| Used oil activities | No source, observed Oct 19, 2026 |
| Transfer facility | Yes source, observed Oct 19, 2026 |
| Recycler | No source, observed Oct 19, 2026 |
| Primary NAICS | 562211 source, observed Oct 19, 2026 |
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