NDT Inspection Services in Mississippi

In brief: Atlantis NDT supplies non-destructive testing to Mississippi refineries, shipyards, LNG and chemical plants, power stations, steel and aluminium mills, automotive and aerospace manufacturers and pipeline operators. Methods include UT thickness and corrosion mapping, PAUT and TOFD weld examination, radiography carried out by radiography crews licensed in Mississippi, magnetic particle, penetrant, visual and eddy current testing, plus the NDE that API 510, API 570 and API 653 inspections rely on. Work is performed by ASNT-certified technicians under ASNT NDT Level III oversight, crews are mobilised to your site, and results arrive as a code-referenced digital report.

Mississippi's inspection work is concentrated in fewer places than in its larger neighbours, but those places are heavy. Pascagoula alone has the state's largest refinery, a Navy shipyard, an LNG terminal and a port chemical district within a few miles of each other. The Mississippi River side has a second refinery and a large nuclear station. The Golden Triangle in the northeast has become a steel and aluminium centre, central and north Mississippi build cars, and the Pine Belt and southwest corner produce oil and gas and store natural gas in salt caverns. Pipelines that move fuel and gas from the Gulf to the rest of the country cross the whole state. This page maps that market, sets out which Mississippi and federal regulators shape inspection, and explains how Atlantis scopes, performs and reports a job. To start now, send your Mississippi inspection request.

Where inspection work is in Mississippi

Direct answer: Mississippi inspection demand centres on the Gulf Coast (Pascagoula's refinery, shipyards, LNG and chemical plants, Gulfport and Stennis), the Mississippi River corridor (Vicksburg refinery, Grand Gulf nuclear, Natchez terminals), metro Jackson and Canton, the Golden Triangle steel and aerospace cluster around Columbus, north Mississippi manufacturing around Tupelo, and the Pine Belt oil, gas and storage area around Hattiesburg and Laurel.

Pascagoula and Jackson County

Pascagoula is the most inspection-intensive square mile in the state. Chevron's Pascagoula refinery, the largest in Mississippi, runs crude units, cokers, hydroprocessing and a large tank farm, with turnaround NDE scopes typical of a major Gulf Coast refinery: CML thickness surveys on piping circuits, PAUT and radiography on repair and tie-in welds, exchanger and vessel work during entries, and API 653 tank inspections. Next door, Ingalls Shipbuilding builds destroyers, amphibious ships and Coast Guard cutters, where weld inspection follows Navy requirements such as NAVSEA Technical Publication 271 and MIL-STD-2035 rather than commercial codes, and other yards in the area build and repair commercial and government vessels. The Gulf LNG terminal and the Bayou Casotte port district add cryogenic piping, tankage and chemical plant scopes, and Mississippi Power's Plant Daniel near Escatawpa adds boiler, high-energy piping and balance-of-plant inspection. Coastal heat, salt air and humidity make atmospheric corrosion and CUI the normal damage mechanisms, and hurricane season shapes both scheduling and post-storm inspection.

Gulfport, Biloxi and Hancock County

The Port of Gulfport handles containers, fruit and bulk cargo, and its cranes, wharf structures and fuel facilities need periodic structural and corrosion inspection. Military installations along the coast, including the Naval Construction Battalion Center in Gulfport and Keesler Air Force Base in Biloxi, drive maintenance and construction work. A titanium dioxide plant at DeLisle and other chemical and manufacturing sites around Bay St. Louis and Pass Christian generate vessel, piping and tank scopes. Further west, NASA's Stennis Space Center tests rocket engines and stages using high-pressure gas and cryogenic propellant systems, an environment where pressure-system integrity and weld quality are tightly controlled by the agency and its contractors.

The Mississippi River corridor: Vicksburg, Port Gibson and Natchez

Ergon's refinery at Vicksburg processes crude into specialty products such as asphalt and naphthenic oils, which brings its own corrosion and weld-inspection programme, and river terminals at Vicksburg and Natchez store and transfer fuels, chemicals and fertiliser. Near Port Gibson, Entergy's Grand Gulf Nuclear Station, a large single-unit boiling water reactor, runs its NDE under ASME Section XI and owner programmes, with refuelling outages that draw in qualified contractors under tight processing rules. River bridges, locks and port structures add structural steel inspection, typically to AWS D1.1 or D1.5.

Metro Jackson and Canton

The capital area mixes state and federal facilities, hospitals and universities with central steam and chilled-water plants, power generation, and manufacturing. Nissan's Canton assembly plant and its supplier park generate weld inspection on new structures and equipment, press and die inspection, and boiler and pressure-vessel NDE for plant utilities. Fabrication shops serving the oil, gas and power sectors in the Jackson area need UT, MT, PT and radiography on vessels, skids and piping spools built to ASME Section VIII and B31.3.

The Golden Triangle: Columbus, Starkville and West Point

Lowndes County has become one of the South's metals centres. Steel Dynamics operates a flat-rolled steel mill at Columbus and has added an aluminium flat-rolled mill nearby, while Airbus Helicopters, Aurora Flight Sciences and Columbus Air Force Base give the area an aerospace layer. Mills generate constant demand for UT and MT on crane runways, rolls, gearboxes, shafts and structural steel, plus weld inspection on expansions; aerospace work follows the prime's NDT requirements, usually NAS 410-based. Pulp, paper and wood products in the surrounding counties add digester and boiler scopes.

North Mississippi and the Pine Belt

Around Tupelo, Toyota's Blue Springs plant, furniture manufacturing and a wide supplier base need structural and equipment weld inspection. In the south, the Pine Belt around Hattiesburg and Laurel and the southwest Mississippi oil fields produce crude and gas, salt-cavern storage near Hattiesburg holds natural gas, and the Collins area is a major junction for refined-products pipelines moving fuel from the Gulf toward the Southeast. Gathering lines, compressor stations, storage wellhead piping, tank farms and transmission lines all need API 1104 weld inspection, UT thickness surveys and tank inspection. Meridian adds naval aviation at NAS Meridian and power generation in east-central Mississippi.

NDT methods we deliver in Mississippi

Direct answer: Atlantis provides UT thickness and corrosion mapping, conventional UT, PAUT, TOFD, radiography through radiography crews licensed in Mississippi, MT, PT, VT and eddy current. The table matches each method to typical Mississippi applications and the code most often cited. The technique is confirmed with your inspector of record, engineer or customer quality representative during scoping.

All methods are applied to written procedures approved by an ASNT NDT Level III, by technicians certified under an SNT-TC-1A written practice. Shipyard, aerospace, space and nuclear customers usually impose their own procedure approvals and personnel qualifications; we work to them where the customer accepts us, and we will tell you plainly if a scope needs an approval Atlantis does not hold.

API 510, 570 and 653 inspection support in Mississippi

Direct answer: For Mississippi owners with API 510, API 570 or API 653 programmes, Atlantis performs the examinations those inspections need, such as thickness surveys, weld examination, tank floor follow-up and visual inspection, and delivers documented results to the owner's API-certified Authorized Inspector, who remains the inspector of record and signs the inspection report.

API 510 pressure vessels. Refinery drums, columns and reactors at Pascagoula and Vicksburg, separators and slug catchers in the oil and gas fields, and pressure vessels in chemical, LNG and manufacturing plants all need regular thickness data and weld examination. We take UT readings at each vessel's CMLs, examine nozzle and attachment welds with MT or PT during entries, add PAUT or TOFD where cracking or prior repairs justify it, and document external condition. Mississippi's state boiler and pressure vessel programme also applies to many vessels, so data is formatted to support both the API 510 record and any state inspection the item requires. See API 510 pressure vessel inspection support.

API 570 piping. Coastal plants battle external corrosion as much as internal: CUI beneath wet insulation and atmospheric corrosion at supports, low points and soil-to-air interfaces. We survey CMLs to your isometrics, add scanning at injection points, mix points and deadlegs where your programme requires, and run thickness and corrosion mapping once insulation is stripped. Results are delivered per CML for import into your inspection database. See API 570 piping inspection support.

API 653 storage tanks. The state's large tanks sit at the Pascagoula and Vicksburg refineries, coastal and river terminals, and the pipeline tank farms around Collins. For out-of-service work we provide floor scanning with UT prove-up, shell course thickness, shell-to-bottom and repair weld examination, and nozzle work; for in-service externals we measure shell thickness, inspect the shell, roof, foundation and appurtenances, and take settlement readings for your inspector's Annex B evaluation. See API 653 tank inspection support.

Atlantis does not offer risk-based inspection (API 580/581) or fitness-for-service (API 579) assessments. We provide traceable inspection data; integrity decisions remain with your engineers and programme.

Turnarounds, shutdowns and planned inspection

Direct answer: Mississippi inspection volume follows refinery turnarounds, utility and nuclear outages, mill shutdowns and shipyard build schedules. Atlantis joins the planning phase, agrees methods, procedures and documentation, and mobilises crews to your site on dates fixed during scoping so inspection never becomes the reason an outage runs long.

A refinery turnaround in Pascagoula or Vicksburg is planned years ahead and frozen months before the start, and much of its NDE can move forward into on-stream work: thickness surveys, external visual and many weld examinations can be done before the unit comes down, leaving the outage for internals, tank floors and repairs. Power plants on the Mississippi Power and Entergy systems plan boiler and turbine work around the spring and autumn shoulder seasons, and Grand Gulf's refuelling outages carry long contractor processing lead times. Mills in the Golden Triangle use short, planned shutdowns when cranes, rolls and drives are available, so NDE needs to be lined up to the shift. Shipyards need inspection paced to the build sequence rather than a single outage.

The Gulf Coast climate adds its own constraints. Summer heat and humidity affect working hours, surface preparation for MT and PT, and couplant behaviour on hot tank shells, and the hurricane season from June to November can move outage dates or create urgent post-storm inspection needs on coastal tanks, wharves and structures. Building weather triggers and remobilisation plans into the scope avoids surprises. Plan a Mississippi turnaround or outage inspection.

Mississippi regulations that shape inspection

Direct answer: In Mississippi, boilers and pressure vessels are regulated by the Boiler and Pressure Vessel Safety program of the Mississippi State Department of Health; radiography is licensed by the same department's Division of Radiological Health because Mississippi is an NRC Agreement State; the Mississippi Public Service Commission oversees intrastate gas pipelines with PHMSA; and federal OSHA's PSM standard drives mechanical integrity.

Boilers and pressure vessels: MSDH

Unusually, Mississippi places its boiler and pressure vessel programme within the State Department of Health. Under the state's Boiler and Pressure Vessel Safety Act and its rules, regulated boilers and pressure vessels must be inspected and certified, with state inspectors and commissioned inspectors from insurance companies or owner-user organisations carrying out inspections. Because the programme covers pressure vessels as well as boilers, plant owners running API 510 programmes need to keep state certificates current alongside their own inspection records. Repairs and alterations are made by organisations holding the appropriate National Board authorisation, with NDE performed to the governing code. Confirm exemptions and intervals for specific equipment with the department.

Radiography: MSDH Division of Radiological Health

Mississippi has been an NRC Agreement State since 1962. The Mississippi State Department of Health's Division of Radiological Health licenses radioactive materials, including sealed sources used for industrial radiography, registers X-ray equipment and enforces radiographer qualification rules. Atlantis does not claim to hold a Mississippi radioactive material licence: radiography on Atlantis scopes is performed by radiography crews licensed in Mississippi, working to Atlantis procedures with Level III review. Where radiography's exclusion zone would stop work in a busy shipyard or around an operating unit, PAUT or TOFD may be an alternative if the code and owner accept it.

Pipelines: Mississippi PSC and PHMSA

The Pipeline Safety Division of the Mississippi Public Service Commission inspects intrastate natural gas transmission, distribution, master meter and jurisdictional gathering systems under its agreement with PHMSA. PHMSA regulates interstate gas and hazardous liquid pipelines directly under 49 CFR Parts 192 and 195, including the products lines that meet around Collins. New-construction girth welds generally follow API 1104. See pipeline inspection services.

Process safety, tanks and the environment

Mississippi private-sector employers are covered by federal OSHA. The process safety management standard (29 CFR 1910.119) requires mechanical integrity procedures, inspection and testing to recognised and generally accepted good engineering practice, and documentation of each inspection on covered equipment. EPA's SPCC rule (40 CFR Part 112) expects aboveground oil tanks to be integrity-tested to an industry standard such as API 653 or STI SP001, and the Mississippi Department of Environmental Quality (MDEQ) administers state environmental permits and programmes affecting tank and pipeline facilities. Shipyards also work under OSHA's maritime standards and Navy quality requirements.

Inspection reports clients can use

Direct answer: Each Mississippi job produces a digital report in Atlantis's own reporting platform. Every reading, indication and photo is linked to the asset, location, procedure, technician certification and instrument calibration, acceptance criteria are quoted from the governing code, and the report is reviewed under ASNT Level III oversight before release.

The people who read inspection reports in Mississippi include an owner's API inspector, a state or commissioned boiler inspector, a Navy or aerospace quality representative, an insurer and, after an incident, an OSHA investigator. Each needs to follow the evidence without asking the technician what was meant. We build reports for that reader: readings tied to named locations, indications tied to the procedure and acceptance criterion applied, results tied to technician certifications and instrument calibrations. Field data is captured digitally, offline where required, and exported in formats inspection data systems can import, so nobody retypes thickness readings from paper. See the NDT inspection software page and best NDT reporting software 2026.

Because Atlantis also builds software, results can feed job scheduling, technician certification tracking and invoicing in our business system, as described for Pascagoula inspection companies and on the Atlantis ERP page, or be shown on a 3D model of the unit in our digital twin platform. Level III-led inspection, digital reporting and an optional twin from one provider is a combination few inspection contractors offer.

Cities we cover across Mississippi

Direct answer: Atlantis mobilises inspection crews to sites anywhere in Mississippi. There is no Atlantis office or laboratory in the state; crews travel to your refinery, shipyard, plant, mill, terminal or right-of-way, with dates agreed during scoping. The pages below cover individual Mississippi cities in more depth.

• Pascagoula and Jackson County: refining NDT Level III consulting in Pascagoula, NDT training in Pascagoula, maritime and shipbuilding NDT training, Practical NDT in Pascagoula and inspection management software for Pascagoula.
• Gulfport and Biloxi: NDT consulting in Gulfport, refining NDT consulting in Gulfport, Practical NDT in Gulfport and Practical NDT in Biloxi.
• Jackson and Canton: NDT training in Jackson, MS and Practical NDT in Jackson, MS; manufacturing and utility sites by arrangement.
• Columbus and the Golden Triangle: NDT consulting in Columbus, MS, steel NDT Level III consulting in Columbus and inspection software for Columbus, MS.
• Tupelo and north Mississippi: inspection management software for Tupelo; plant sites by arrangement.
• Vicksburg, Port Gibson, Natchez, Hattiesburg, Laurel, Collins and Meridian: refinery, river terminal, pipeline, gas storage and power sites by arrangement, planned as multi-site campaigns where practical.

Related Mississippi hubs: NDT consulting in Mississippi for Level III services, written practices and procedures, and NDT training in Mississippi for ASNT SNT-TC-1A-based technician courses. Trainees can also practise on the Practical NDT simulator for Mississippi, and site teams planning reality capture can see 3D scanning in Mississippi.

How to request inspection

Direct answer: Tell us the asset, location, method, governing code, dates and deliverable. Atlantis responds with questions or a scope and quote, shares procedures and technician certifications for approval, mobilises the crew on the agreed date and issues a Level III-reviewed digital report.

1. Send the details. Asset type (vessel, piping, tank, boiler, pipeline, hull block, structure or component), site location in Mississippi, method if known, governing code (API 510/570/653, ASME, API 1104, AWS D1.1, Navy or customer specification), quantities, dates and report format. Send a Mississippi RFQ.
2. Scoping call. We confirm technique, access (scaffold, insulation removal, confined space, marine or river access), site safety and contractor prequalification, and whether radiography or an ultrasonic method suits the work.
3. Scope and documents. You receive a written scope and quote, with procedures and technician certifications for your inspector of record or customer to approve.
4. Mobilisation. The crew completes site orientation and starts on the agreed date.
5. Inspection. Findings that need action are reported to your representative during the shift.
6. Report. A Level III-reviewed digital report, traceable to code, procedure, technician and instrument.

Frequently asked questions about NDT inspection in Mississippi

Which NDT inspection services does Atlantis offer in Mississippi?

UT thickness and corrosion mapping, conventional UT, PAUT, TOFD, radiography through radiography crews licensed in Mississippi, MT, PT, VT and eddy current, plus NDE support for API 510, API 570 and API 653 programmes and pipeline work, all under ASNT Level III oversight.

Do you have an office in Pascagoula or Jackson?

No. Atlantis has no physical office or lab in Mississippi. Crews are mobilised to your site anywhere in the state, with dates agreed during scoping.

Who inspects boilers and pressure vessels in Mississippi?

The Boiler and Pressure Vessel Safety program of the Mississippi State Department of Health administers the state's boiler and pressure vessel law. State inspectors and commissioned inspectors from insurers or owner-user organisations carry out inspections of regulated equipment.

Is Mississippi an NRC Agreement State?

Yes. Mississippi has been an Agreement State since 1962, and the State Department of Health's Division of Radiological Health licenses radioactive materials used in industrial radiography. Radiography on our scopes is performed by crews licensed in Mississippi.

Can you perform API 653 tank inspection on the Gulf Coast?

We perform the NDE API 653 inspections rely on: floor scanning with UT prove-up, shell thickness, weld examination and settlement measurement. Your API 653-certified Authorized Inspector remains the inspector of record and signs the report.

Do you inspect shipyard welds in Pascagoula?

We can perform UT, MT, PT, VT and radiography (through licensed crews) on marine fabrication where the shipyard or customer accepts our procedures and personnel. Navy work follows requirements such as NAVSEA Technical Publication 271 and MIL-STD-2035, and the shipyard decides which contractors may work to them.

Can inspection be done without shutting the unit down?

Often. Thickness surveys, external visual, many weld examinations and some corrosion mapping can be done on-stream, subject to temperature limits and site permits. Doing them before a turnaround shrinks the scope that must wait for the outage.

How much does NDT inspection cost in Mississippi?

Atlantis quotes on request. Cost depends on the method, number of locations or welds, access requirements, travel to the site, crew size, schedule, weather contingency and report format. Send your scope and you will receive a written quote.

Who regulates pipelines in Mississippi?

The Mississippi Public Service Commission's Pipeline Safety Division oversees intrastate natural gas pipelines under its agreement with PHMSA; PHMSA regulates interstate gas and hazardous liquid pipelines directly. New pipeline girth welds usually follow API 1104.

Do you inspect steel and aluminium mill equipment in Columbus?

Yes. UT and MT on crane runways, rolls, shafts, gearboxes and structural steel, plus weld inspection on expansions and repairs, are typical mill scopes, usually planned into short shutdown windows.

Can you support post-hurricane inspections?

Yes. Once a site is safe to enter we can carry out visual, thickness and weld checks on tanks, wharves, piping and structures. Agree weather triggers and remobilisation terms during scoping so the plan is ready before a storm.

Do you offer RBI or fitness-for-service assessments?

No. Atlantis does not sell API 580/581 risk-based inspection or API 579 fitness-for-service assessments. We supply the inspection data those programmes use.

Get a Mississippi inspection scope

A turnaround weld list at a Pascagoula refinery, a tank floor at a Collins-area tank farm, a crane runway at a Columbus mill, a boiler outage on the coast or a pipeline tie-in in the Pine Belt all begin with the same four facts: asset, method, code and dates. Request a quote for NDT inspection in Mississippi, or speak with our ASNT Level III about method selection first. Affordable. Accessible. Fully customizable. Browse all inspection services.

More Atlantis NDT services in Mississippi

• NDT training and certification in Mississippi
• Level III consulting in Mississippi
• Practical NDT simulator in Mississippi