# Emergency and Environmental Response Attachment 25 - Interview of Chicago Region Engineering Supervisor

**Citation:** DCA10MP007 docket item 55  
**Type / status:** incident / current  
**Agency:** National Transportation Safety Board  
**Effective:** Not stated  
**Published:** Not stated

DCA10MP007; docket item 55; Adobe PDF file.

## Document text

Emergency and Environmental Response Attachment 25 - Interview of Chicago Region Engineering Supervisor DCA10MP007 docket item 55. 23 pages. 0 photograph references. Published media type: Adobe PDF file. Metadata only; the linked docket file is not mirrored.

## Provenance

- Official: Yes
- Source: <https://data.ntsb.gov/Docket/Document/docBLOB?ID=40362061&FileExtension=.PDF&FileName=Emergency%20and%20Environmental%20Response%20Attachment%2025%20-%20Interview%20of%20Chicago%20Region%20Engineering%20Supervisor-Redacted.PDF>
- Source ID: `ntsb-dockets`
- SHA-256: `ec1488f6b93a9c92a665daf529d59902ba078a10045422904d18f3e06771caa0`
- Retrieved: 2026-08-20T04:58:09.797Z
- Exported: 2026-08-23T03:31:51.376Z
- Document slug: `ntsb-docket-item-40362061`

### Source metadata

```json
{
  "materialSubtype": "ntsb_docket_item_metadata",
  "ntsbNumber": "DCA10MP007",
  "blobId": "40362061",
  "ordinal": 55,
  "pages": 23,
  "photos": 0,
  "publishedMediaType": "Adobe PDF file",
  "fileExtension": ".PDF",
  "fileName": "Emergency and Environmental Response Attachment 25 - Interview of Chicago Region Engineering Supervisor-Redacted.PDF",
  "docketUrl": "https://data.ntsb.gov/Docket/?NTSBNumber=DCA10MP007",
  "tableOfContentsUrl": "https://data.ntsb.gov/Docket/TOCPrintable?data=76766",
  "docketReportedMode": "Pipeline",
  "docketCreationDate": "2010-08-25",
  "docketLastModifiedDate": "2016-08-15",
  "docketPublicReleaseDate": "2012-05-22",
  "metadataOnly": true,
  "binaryMirrored": false,
  "caveat": "Docket item metadata and official link only. The title does not establish authorship, evidentiary weight, NTSB endorsement, legal effect, or a current regulatory finding; party submissions and evidence binaries are not mirrored.",
  "jurisdiction": "US"
}
```