# Where is other information concerning laboratories found in this regulation?

**Citation:** 49 CFR 40.113  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2023-10-01  
**Published:** Not stated

You can find more information concerning laboratories in several sections of this part:

§ 40.3—Definition. § 40.13—Prohibition on making specimens available for other purposes. § 40.31—Conflicts of interest concerning collectors. § 40.47—Laboratory rejections of test for improper form. § 40.125—Con

## Document text

You can find more information concerning laboratories in several sections of this part:

§ 40.3—Definition. § 40.13—Prohibition on making specimens available for other purposes. § 40.31—Conflicts of interest concerning collectors. § 40.47—Laboratory rejections of test for improper form. § 40.125—Conflicts of interest concerning MROs. § 40.175—Role of first laboratory in split specimen tests. § 40.177—Role of second laboratory in split specimen tests (drugs). § 40.179—Role of second laboratory in split specimen tests (adulterants). § 40.181—Role of second laboratory in split specimen tests (substitution). §§ 40.183-40.185—Transmission of split specimen test results to MRO. §§ 40.201-40.205—Role in correcting errors. § 40.329—Release of information to employees. § 40.331—Limits on release of information. § 40.355—Role with respect to other service agents.

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2023-title49-vol1/CFR-2023-title49-vol1-sec40-113>
- Source ID: `govinfo-cfr`
- SHA-256: `8a9ee994f02eb6e691d9b8f0e6c718b4f6749ff9282d5e7759b16ebf5aa1e809`
- Retrieved: 2026-08-12T01:42:18.030Z
- Exported: 2026-08-23T04:24:35.540Z
- Document slug: `49-cfr-40-113`

### Source metadata

```json
{
  "part": "40",
  "section": "40.113",
  "subpart": "Subpart F—Drug Testing Laboratories",
  "annualEdition": 2023,
  "revisedAsOf": "2023-10-01",
  "govInfoPackage": "CFR-2023-title49-vol1",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```