NDT inspection cost in Long Beach: Magnetic Particle Testing rates
Field-anchored pricing guide for MT (Magnetic Particle Testing) and the other five common NDT methods in Long Beach, CA. Rates are quoted in USD per hour and reflect the Tier-2 labour band that applies across west coast markets.
Marathon Carson and the closing P66 facility share crude lines and a Level III bench — every weld package gets re-routed weekly as P66 winds down, and stale certs surface fast.
Low band
$175
per hour · routine scope, full-day crew
Typical
$325
per hour · most jobs land here
High band
$550
per hour · turnaround / night shift / rope access
Surface and near-surface crack detection on ferromagnetic welds per ASTM E709 / E1444.
MT is one of the lower-cost methods because equipment is portable, consumables are inexpensive, and a single technician can cover a structural-weld scope quickly. Costs trend up with fluorescent (wet-mag) work that requires darkroom conditions.
Long Beach's industrial substrate — Refining (Carson/Wilmington), Container port, Aerospace (Virgin Orbit legacy / Relativity) — pulls NDT scopes onto recurring sites including Marathon Los Angeles Refinery (Carson) and Phillips 66 Los Angeles (Carson/Wilmington). The local contractor pool prices against API 510 / 570 / 653 acceptance criteria, which requires Level II / III certified personnel and traceable instrument calibration. That floor — not raw wage data — is what sets the band.
The Tier-2 multiplier (×1.00 applied to the national MT base band) accounts for local cost of living, procurement competition, and the documentary overhead that API 510 / 570 / 653 imposes. MT programmes in Long Beach have historically clustered around the typical rate of $325 per hour, with turnaround and outage premiums pushing toward the high band.
Recurring industries pricing against this band:
Named operators / sites: Marathon Los Angeles Refinery (Carson), Phillips 66 Los Angeles (Carson/Wilmington), Port of Long Beach, Relativity Space Long Beach.
Crew rotation length
Multi-day mobilisations in Long Beach amortise travel and per-diem across more billable hours, lowering the per-hour rate. Single-day call-outs sit at the high band.
Access and rigging
Rope access, scaffold, or confined-space entry add 15–35% to the base rate. Refining (Carson/Wilmington) sites in Long Beach often require all three.
Shift premium
Night shift, weekend, and turnaround windows in Long Beach typically carry a 25–40% premium on the base hourly rate.
Acceptance criteria
API 510 / 570 / 653 acceptance criteria require Level II / III sign-off, which prices above structural-weld AWS D1.1 work.
Equipment specification
Dry vs wet mag, AC vs DC yoke, and shift premium are the main cost differentiators.
Programme volume
Multi-asset programmes at sites like Marathon Los Angeles Refinery (Carson) typically negotiate volume discounts of 8–15% off the typical rate.
Mobilisation distance
Remote west coast sites add a per-trip mobilisation charge ($350–$1,500 depending on travel distance from Long Beach).
Documentation depth
Full digital scan packages with audit-grade traceability cost 10–20% more than basic written report deliverables, and are required at API 510 / 570 / 653 sites.
- 1.Plan MT scopes against the west coast turnaround calendar to avoid rush premiums.
- 2.Batch multiple assets at the same site (e.g. Marathon Los Angeles Refinery (Carson)) to amortise mobilisation across more billable hours.
- 3.Provide detailed component specs and accessibility info up-front — vague RFPs price high to absorb uncertainty.
- 4.Standardise on a single contractor for programme work; spot-buys carry a 10–20% premium.
- 5.Where MT is interchangeable with another method (RT ↔ PAUT, MT ↔ PT), price both before committing.
- 6.Verify Level II / III currency before quote — re-mobilisation for an expired cert is unbillable to the asset.
- •AWS D1.1 weld surface examination
- •In-service fatigue-crack screening
- •Forging and casting surface inspection
Method
Magnetic Particle Testing
Abbreviation
MT
Labour band
Tier 2 (×1.00)
Code authority
API 510 / 570 / 653
Get a quote
Post a MT scope and receive parallel quotes from certified Long Beach providers.
Request a quotePricing caveat
The numbers above are field-anchored ranges, not a quote. Actual Long Beach rates vary with scope, accessibility, shift, and contractor utilisation. Always solicit at least three quotes before committing programme spend.