# How May Confirmatory Direct Assessment (CDA) Be Used? \[49 CFR 192.931\] **Citation:** LAC 43:XIII §3331 **Type / status:** regulation / current **Agency:** Louisiana Office of Conservation **Effective:** Not stated **Published:** Not stated A. An operator using the confirmatory direct assessment (CDA) method as allowed in §3337 must have a plan that meets the requirements of this Section and of §3325 (ECDA) and §3327 (ICDA). [49 CFR 192.931] 1. Threats. An operator may only use CDA on a covered segment to identify damage resulting from ## Document text A. An operator using the confirmatory direct assessment (CDA) method as allowed in §3337 must have a plan that meets the requirements of this Section and of §3325 (ECDA) and §3327 (ICDA). [49 CFR 192.931] 1. Threats. An operator may only use CDA on a covered segment to identify damage resulting from external corrosion or internal corrosion. [49 CFR 192.931(a)] 2. External Corrosion Plan. An operator's CDA plan for identifying external corrosion must comply with §3325 with the following exceptions. [49 CFR 192.931(b)] a. The procedures for indirect examination may allow use of only one indirect examination tool suitable for the application. [49 CFR 192.931(b)(1)] b. The procedures for direct examination and remediation must provide that: [49 CFR 192.931(b)(2)] (i)all immediate action indications must be excavated for each ECDA region; and [49 CFR 192.931(b)(2)(i)] (ii)at least one high risk indication that meets the criteria of scheduled action must be excavated in each ECDA region. [49 CFR 192.931(b)(2)(ii)] 3. Internal Corrosion Plan. An operator's CDA plan for identifying internal corrosion must comply with §3327 except that the plan's procedures for identifying locations for excavation may require excavation of only one high risk location in each ICDA region. [49 CFR 192.931(c)] 4. Defects Requiring Near-Term Remediation. If an assessment carried out under Paragraphs 2 or 3 of this Section reveals any defect requiring remediation prior to the next scheduled assessment, the operator must schedule the next assessment in accordance with NACE SP0502 (incorporated by reference, see §507), sections 6.2 and 6.3. If the defect requires immediate remediation, then the operator must reduce pressure consistent with §3333 until the operator has completed reassessment using one of the assessment techniques allowed in §3337. [49 CFR 192.931(d)] AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq. HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, Pipeline Division, LR 30:1281 (June 2004), amended by the Department of Natural Resources, Office of Conservation, LR 38:122 (January 2012), LR 44:1043 (June 2018). ## Provenance - Official: Yes - Source: - Source ID: `la-osr-lac` - SHA-256: `604bd49934a08c8ab18c2046ddc94a87f2ee95d51ca622915d196e3d3aa2e38c` - Retrieved: 2026-08-12T05:03:44.627Z - Exported: 2026-08-22T05:11:00.600Z - Document slug: `la-lac-43-xiii-3331` ### Source metadata ```json { "jurisdiction": "US-LA", "part": "LAC 43:XIII", "section": "3331", "pipelineScope": "louisiana-pipeline-safety", "legalScope": "Louisiana Office of Conservation pipeline-safety rules governing covered transportation of gas, gas reporting, incorporated and modified federal gas-pipeline requirements, drug and alcohol testing, and LNG facilities.", "applicabilityCaveat": "Part XIII applies only within the scope of its certification or agreement, jurisdictional and facility limitations, and section-specific exclusions. Determine operator status, commodity, intrastate or interstate jurisdiction, coastal or Outer Continental Shelf location, gathering classification, LNG status, and federal preemption before applying a provision.", "incorporationCaveat": "Part XIII incorporates and modifies portions of 49 CFR Parts 40, 191, 192, 193, and 199. Bracketed federal citations identify the source provision, but Louisiana numbering and text control only within the state rule's scope; consult both current Louisiana and applicable federal text.", "historicalNote": "HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, Pipeline Division, LR 30:1281 (June 2004), amended by the Department of Natural Resources, Office of Conservation, LR 38:122 (January 2012), LR 44:1043 (June 2018).", "authorityNote": "AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.", "reserved": false, "references": [ { "citation": "49 CFR 192.931", "referenceType": "cfr", "url": "https://www.ecfr.gov/current/title-49/part-192" }, { "citation": "LAC 43:XIII §3337", "referenceType": "louisiana-administrative-code", "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/" }, { "citation": "LAC 43:XIII §3325", "referenceType": "louisiana-administrative-code", "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/" }, { "citation": "LAC 43:XIII §3327", "referenceType": "louisiana-administrative-code", "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/" }, { "citation": "LAC 43:XIII §507", "referenceType": "louisiana-administrative-code", "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/" }, { "citation": "LAC 43:XIII §3333", "referenceType": "louisiana-administrative-code", "url": "https://www.doa.la.gov/doa/osr/louisiana-administrative-code/" } ], "sourceEdition": "December 2025", "artifactPath": "data/sources/louisiana/louisiana-lac-title-43-parts-ix-xi-xiii.docx", "artifactSha256": "568d6b8b3cc244c67a0c93c040442fa53a1bbdafcb688b253cfa707d84d64259", "publicationStatus": "Current state-certified Louisiana Administrative Code compilation; section-level effective dates are not inferred from compilation or monthly history citations.", "rights": "The Louisiana Administrative Code is the state-certified publication. Preserve Office of State Register attribution and review Louisiana website terms, agency marks, incorporated standards, and third-party material before redistribution.", "region": "LA" } ```