# PHMSA Hazmat Incident E-2009120404 — CAUSTIC ALKALI LIQUIDS, N.O.S. — MEDWAY, ME

**Citation:** PHMSA Hazmat Incident E-2009120404  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2009-11-16  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2009-11-16 in MEDWAY, ME.

## Document text

PHMSA hazardous materials incident report E-2009120404.
Incident date: 2009-11-16.
Location: MEDWAY, ME.
Mode: Highway.
Carrier/reporter: MLG Trucking.
Shipper: Buckman Laboratories.
Materials: UN1719; CAUSTIC ALKALI LIQUIDS, N.O.S.; hazard class 8; 312.5 LGA released | UN2922; CORROSIVE LIQUIDS, TOXIC, N.O.S.; hazard class 8; 431.25 LGA released | UN3265; CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.; hazard class 8; 305.75 LGA released | UN3265; CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.; hazard class 8; 681.25 LGA released.
What failed: Body.
How failed: Burst or Ruptured.
Reported failure causes: Vehicular Crash or Accident Damage.
Reported result: Spillage, Material Entered Waterway/Storm Sewer, Environmental Damage.
Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.

## Provenance

- Official: Yes
- Source: <https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=BuKDTiNUK%2BstVNF%2BqKMnGw%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `6fe7484f137fa13c04b236b97fa27afc29d25ea811c49f9095ddfa7878321d90`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-22T11:24:39.052Z
- Document slug: `phmsa-hazmat-incident-e-2009120404`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "E-2009120404",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=BuKDTiNUK%2BstVNF%2BqKMnGw%3D%3D",
  "rowCount": 4,
  "carrierReporterNames": [
    "MLG Trucking"
  ],
  "shipperNames": [
    "Buckman Laboratories"
  ],
  "routes": [
    "I-95 NB mm 255"
  ],
  "cities": [
    "MEDWAY"
  ],
  "states": [
    "ME"
  ],
  "originCities": [],
  "modes": [
    "Highway"
  ],
  "materials": [
    {
      "identificationNumber": "UN1719",
      "commodityName": "CAUSTIC ALKALI LIQUIDS, N.O.S.",
      "hazardousClass": "8",
      "quantityReleased": "312.5",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN2922",
      "commodityName": "CORROSIVE LIQUIDS, TOXIC, N.O.S.",
      "hazardousClass": "8",
      "quantityReleased": "431.25",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN3265",
      "commodityName": "CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.",
      "hazardousClass": "8",
      "quantityReleased": "305.75",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN3265",
      "commodityName": "CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.",
      "hazardousClass": "8",
      "quantityReleased": "681.25",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": null,
      "outerMaterial": "Plastic",
      "outerType": "IBC",
      "outerCapacity": "305.75",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": "Plastic",
      "outerType": "IBC",
      "outerCapacity": "312.5",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": "Plastic",
      "outerType": "IBC",
      "outerCapacity": "340.625",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "2",
      "outerFailedCount": "2",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": null,
      "outerMaterial": "Plastic",
      "outerType": "IBC",
      "outerCapacity": "431.25",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    }
  ],
  "reportingRuleContext": [
    "171.15",
    "171.16"
  ],
  "caveat": "Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.",
  "privacyCaveat": "The public CSV excludes preparer contact fields. Event Description is intentionally excluded from normalized records and search output to reduce incidental personal-information risk.",
  "jurisdiction": "US"
}
```
