The Level III named in your written practice, on the Baton Rouge industrial corridor
A Level III of record is the standing technical authority named in your written practice: the person who approves NDT procedures, qualifies and certifies technicians by method, and defends those decisions to auditors, API authorized inspectors and insurers. For Baton Rouge refiners, Geismar chemical plants and the NDT contractors serving them, that authority is retained continuously rather than bought per job.
Under ASNT SNT-TC-1A the employer owns the written practice, and the employer may name an outside agency Level III to discharge the Level III duties inside it. ANSI/ASNT CP-189 goes further and requires that the Level III hold ASNT NDT Level III certification in the methods concerned, which is why a contractor cannot simply promote its most senior technician into the role. In practice the appointment covers four things: approval and periodic review of every NDT procedure the company works to, preparation and grading of Level I and II examinations by method, technical review of contested interpretations, and representation when a client, a jurisdiction or a registrar audits the NDT function. On the lower Mississippi corridor the work is dominated by refinery and chemical unit turnarounds, tank inspection under API 653, and the fabrication shops feeding the plants, so the authority has to be reachable on a turnaround clock rather than a quarterly one.
Source: Sources: ASNT SNT-TC-1A and ANSI/ASNT CP-189 for personnel qualification and the written practice; ISO 9712 where a third-party certification route is specified; ASME BPVC Section V Article 1 (T-150) and Section VIII Division 1 for examination requirements; API 510, 570, 653 and API RP 577 for in-service work; ISO/IEC 17020 and ISO 9001 for the inspection body; OSHA 29 CFR 1910.119 for process safety management. Louisiana has no approved state OSHA plan for private employers, so PSM is federally enforced; air and water permitting sits with the Louisiana Department of Environmental Quality under LAC Title 33, and boiler and pressure vessel administration is handled by the state through the Office of the State Fire Marshal on the ASME and National Board model. Confirm the adopted code edition with the jurisdiction before writing a procedure against a newer one.
| Document or decision | Who signs it | Code basis | What an auditor asks to see |
|---|---|---|---|
| Written practice for NDT personnel | The employer, with the technical content approved by the Level III | SNT-TC-1A or ANSI/ASNT CP-189 | A signed, dated, revision-controlled copy plus the list of exceptions taken to SNT-TC-1A |
| UT, RT, MT, PT, VT and ET procedures | The NDT Level III of record, certified in that method | ASME BPVC Section V, Article 1, T-150 | Revision history and the demonstration record behind each essential-variable range |
| Level I or II certification of a technician | The employer, on the Level III's examination and recommendation | SNT-TC-1A or CP-189 | Training hours, experience log by method, general, specific and practical exam scores, current vision test |
| The in-service inspection record for a vessel, circuit or tank | The API 510, 570 or 653 authorized inspector | API 510, API 570, API 653 | The inspector's certification number and the signed inspection record |
| Acceptance of a specific weld or thickness reading | The certified Level II performing the examination | The referencing construction or in-service code | A report traceable to the procedure revision, the calibration block and the technician's certification |
| Fitness-for-service assessment of a found flaw | A qualified engineer, informed by the NDT data | API 579-1 / ASME FFS-1 | The flaw sizing method, its demonstrated tolerance, and who performed the sizing |
What "of record" means, and where the code puts it
SNT-TC-1A is a recommended practice, not a code. It has no force until a referencing document adopts it, and what it actually requires is that the employer establish a written practice describing how its own people are trained, examined, certified and recertified. Inside that document, the NDT Level III carries a defined set of duties: establishing and approving procedures and techniques, interpreting codes and specifications, selecting the method and technique for a given application, and training, examining and recommending personnel for certification. "Of record" simply means the same named individual holds those duties continuously, and can be produced when someone asks who approved a given revision.
ANSI/ASNT CP-189 is a different animal. It is a standard rather than a recommended practice, its requirements are minimums rather than guidance, and it requires the Level III to hold ASNT NDT Level III certification in the applicable method. Owners on the corridor increasingly write CP-189 into contracts precisely because it closes the loophole that lets a company certify its own Level III internally. Where a European or international owner is involved, ISO 9712 may be specified instead, which routes certification through an independent certification body. The three systems are not interchangeable and the written practice has to state which one it is built on.
The practical consequence for a Baton Rouge contractor is straightforward: if your work is bid against CP-189 and your Level III is employer-certified only, you do not qualify, no matter how good the technician is. An outside agency appointment closes that gap without requiring you to carry a full-time Level III salary against a crew of eight.
Baton Rouge: the asset mix that sets the technical agenda
The industrial base here is not generic. ExxonMobil's Baton Rouge refinery and the adjoining chemical, polyolefins and resin finishing plants anchor the north end of the city and rank among the largest integrated refining and petrochemical complexes in North America. Placid Refining operates across the river at Port Allen. Immediately south, the Geismar and Plaquemine corridor concentrates one of the densest chemical clusters in the country, with operators including BASF, Shell, Dow, Methanex, Shintech and Nutrien among the names on the river road. North of the city, Georgia-Pacific's Port Hudson mill runs a large pulp and paper operation, and downriver at Convent there is direct-reduced iron and steel capacity.
Add the Port of Greater Baton Rouge, the farthest inland deep-draft port on the Mississippi, and the barge fleeting, midstream terminals and grain and petroleum docks that come with it, and the NDT demand profile becomes specific: refinery pressure equipment under API 510 and 570, atmospheric storage tanks under API 653, chemical reactors and heat exchangers in high alloy, structural and shop welding to AWS D1.1 and D1.5, and marine hull and barge work answering to classification society and Coast Guard rules rather than to ASME.
Regulatory jurisdiction is split in a way that catches out-of-state contractors. Louisiana has no approved state OSHA plan for private employers, so process safety management under 29 CFR 1910.119 is enforced federally. Air and water permitting sits with the Louisiana Department of Environmental Quality under LAC Title 33. Boiler and pressure vessel administration is handled by the state through the Office of the State Fire Marshal on the ASME and National Board model. Before a procedure cites a code edition, confirm which edition the jurisdiction has adopted; writing to a newer edition than the one in force is a finding, not a virtue.
The three roles that get conflated, and the finding that follows
An API 510, 570 or 653 authorized inspector authorizes and signs the in-service inspection. That person decides that a vessel, a piping circuit or a tank is fit to return to service, sets the next inspection interval, and owns the record. An NDT technician is certified under an employer's written practice, to SNT-TC-1A or CP-189, to perform a specific method at a specific level. An ASNT Level III approves the procedures that technician works to, and approves the written practice itself. Three people, three documents, three different bases of authority.
The recurring audit finding is a contractor listing its API 653 inspector as the Level III on the written practice, or an owner asking an authorized inspector to sign a UT procedure when that inspector holds no Level III method certification in ultrasonics. Both are defensible right up to the moment somebody asks for the certification record behind the signature. The mirror image is just as common: a genuinely qualified Level III signing off on inspection intervals and return-to-service decisions that only the authorized inspector can make.
Where the two roles must interact is on the technical question in the middle. When an indication is found, the authorized inspector needs to know whether the technique had the sensitivity to find everything of that type, whether the sizing is trustworthy enough to feed an API 579 assessment, and whether the technician was qualified for what he was asked to do. Those are Level III questions. The interval and the return-to-service decision are not.
What the appointment covers, month to month
The first pass is always the procedure library. Most companies discover that they hold a dozen procedures written across a decade by three different people, some of which cite superseded code editions, several of which state essential variable ranges nobody has demonstrated, and at least one of which is being used for work it was never written to cover. The Level III reviews each against the scope of work actually being sold, sets a revision plan, and puts the library under control so that a procedure revision number appears on every report.
The second is personnel. That means preparing and grading general, specific and practical examinations by method, maintaining question banks that are not circulating on a shared drive, keeping practical specimens with a known, documented flaw content, and reviewing training hours and experience against the written practice before anyone is certified. It also means recertification: the interval, the basis on which it is granted, and the evidence behind it.
The third is live technical work. A written determination on a disputed indication. A technique change requested at three in the morning during a turnaround. Representation when a client's supplier quality team, a registrar or an owner's inspection group audits the NDT function. This is what distinguishes a retained appointment from a signature bought per document: the same person already knows your procedures, your people and your equipment when the question arrives.
The certification records that actually fail audits
Almost nobody fails an audit on the technical quality of the inspection. They fail on records. The most common defect is certification granted generically rather than by method, so a file shows a technician certified as "NDT Level II" with no separate training hours, experience or examination scores for ultrasonics, magnetic particle and penetrant. The written practice sets minimums per method for a reason, and an auditor will add them up.
Next is vision. The written practice must specify a near-vision acuity test, typically Jaeger J-1 or equivalent at a stated distance, and a color contrast differentiation test, at the stated interval. Files routinely contain a vision test from the year of hire and nothing since. It is a trivial finding to close and an embarrassing one to receive, because it invites a reviewer to look harder at everything else.
Third is the exceptions list. SNT-TC-1A is a recommended practice and an employer may take exceptions to it, but the written practice must state them explicitly. A practice that quietly reduces experience hours or omits the practical examination without saying so reads as a defect rather than a decision. Stating an exception, with the technical justification behind it, is defensible. Hiding one is not.
Turnaround season on the lower Mississippi
Gulf Coast turnaround scheduling is shaped by heat and by hurricane season, which pushes the bulk of major work into spring and fall windows. Those windows do not move. Once a unit is down, every day of schedule has a cost that dwarfs anything in the inspection budget, which is exactly why technical questions get answered badly under pressure and why a Level III who has to be located and briefed from cold is worth very little.
The predictable failures are the same every season. A scope grows and a technique is applied outside the range the procedure demonstrated. An indication is found in a weld nobody planned to examine, and the crew has neither the block nor the qualified technique to size it. A repair is made, re-examined, and the re-examination is recorded against the original procedure revision even though the technique changed. Each of these is recoverable if it is caught during the outage and expensive if it is caught in the closeout package.
The counter is preparation. Before the window opens, the scope is mapped against the procedure library, gaps are identified in writing, blocks and specimens are confirmed to exist for what is planned, and the technicians who will be on the job are checked against the certifications the scope actually requires. That exercise takes days and it is the highest-yield work a Level III does all year.
What this appointment deliberately is not
Atlantis does not act as the API authorized inspector of record. We do not sign the in-service inspection record, set inspection intervals, or authorize return to service. Those decisions belong to a certified API inspector employed or contracted by the owner, and the separation is what makes independent technical review worth anything.
We are not a process safety management auditor. Where an NDT question touches a PSM element, such as mechanical integrity inspection and testing, we supply the technical answer that the PSM program consumes; we do not audit the program itself under 29 CFR 1910.119.
What we do supply is the technical authority layer: the written practice, procedure development and qualification, personnel certification within the practice, representation on technical questions during an audit, and independent review of inspection data where an owner wants a second read on a contractor's findings. That last service is deliberately kept separate from any inspection work, because a reviewer who also sold the inspection is not a reviewer.
How an engagement is set up
It starts with an assessment. We look at the written practice, the procedure library, the certification files and the scope of work you actually sell or buy, and produce a written gap list against SNT-TC-1A or CP-189, whichever governs your contracts. That document is useful even if the engagement stops there, because it tells you what a client audit will find before the client finds it.
If the appointment proceeds, it is documented: a letter of appointment naming the Level III and the methods covered, a defined response commitment for turnaround and dispute work, a records handover if there was a previous Level III, and a review cycle for the procedure library. Scope can be all methods or a single method where you already have authority in the others.
Atlantis is led by an ASNT NDT Level III certified in multiple methods who is also an API 653 authorized inspector, which means the code interfaces described on this page are familiar from both sides. To discuss an appointment for a Baton Rouge, Port Allen, Geismar, Plaquemine or Gonzales operation, request a consultation at info@atlantisndt.com. Scope and quotation are prepared against your written practice, not against a template.
Can an outside agency hold the Level III role, or does the person have to be on payroll?
SNT-TC-1A permits an employer to use an outside agency Level III, and CP-189 recognizes the same arrangement, provided the individual holds ASNT NDT Level III certification in the methods concerned. What cannot be outsourced is responsibility. The written practice remains the employer's document, the certifications are issued by the employer, and an auditor will still hold your quality manager, not the consultant, to the records.
What does a Level III of record not sign?
Not the in-service inspection record. That signature belongs to the API 510, 570 or 653 authorized inspector, and Atlantis does not act as your inspector of record. Nor do we perform process safety management audits under 29 CFR 1910.119. The remit is technical authority only: NDT procedures, the written practice, personnel qualification within it, disputed interpretations, and independent review of inspection data.
Is API 510, 570 or 653 inspector training part of this offer?
No. Those are individual certifications administered by API through its own examination programs, with their own experience and body-of-knowledge rules, and they are not something a consultancy issues. Training here means NDT method training and examination under your written practice: Level I and II instruction in UT, RT, MT, PT, VT and ET, plus code familiarization for engineers who buy and read inspection data.
How does the arrangement work when an interpretation is disputed mid-turnaround?
The dispute is usually about whether an indication is geometric, whether a recordable indication is rejectable under the referencing code, or whether the technique ever had the sensitivity to call it. The Level III reviews the raw data, the calibration record and the procedure revision in force, then issues a written technical determination. That document is what the owner, the contractor and the authorized inspector all work from afterwards.
Which Baton Rouge operations most often need a named Level III?
NDT service companies bidding refinery and chemical turnaround work, fabrication and pipe shops feeding the Geismar and Plaquemine plants, tank contractors working API 653 scope on river terminals, and owner inspection groups that run a small in-house crew with no certified Level III on staff. Marine and barge repair along the river adds classification society requirements on top of the written practice.
What happens to our technicians' certifications if the Level III of record changes?
Certifications are issued by the employer, so they do not lapse when the Level III changes, but the incoming Level III has to review and accept the basis on which they were granted. Expect a documented handover: examination records, question banks, practical specimens, procedure approvals and any exceptions taken to SNT-TC-1A. Skipping that handover is a common way a clean program quietly becomes indefensible.