# In-line inspection of pipelines.

- **operation:** document
- **citation:** 49 CFR 192.493
- **title:** In-line inspection of pipelines.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** When conducting in-line inspections of pipelines required by this part, an operator must comply with API STD 1163, ASNT ILI-PQ, and NACE SP0102, (incorporated by reference, see § 192.7). Assessments may be conducted using tethered or remotely controlled tools, not explicitly discussed in NACE SP0102
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- **app url:** https://regulus.evalyn.ai/document/49-cfr-192-493
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-192.493
**body:**

When conducting in-line inspections of pipelines required by this part, an operator must comply with API STD 1163, ASNT ILI-PQ, and NACE SP0102, (incorporated by reference, see § 192.7). Assessments may be conducted using tethered or remotely controlled tools, not explicitly discussed in NACE SP0102, provided they comply with those sections of NACE SP0102 that are applicable.

[Amdt. 192-125, 84 FR 52245, Oct. 1, 2019, as amended by Amdt. 192-156, 90 FR 40763, Aug. 21, 2025]
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- **body characters:** 479