Southern California · Shop & Field Services

Passivation, Derouging, Electropolishing, Sanitization, and Specialty Cleaning Solutions

Serving Industrial, Biotech, Pharmaceutical, Aerospace, Semiconductor, and more in the USA

What Do You Need?

Click a service to learn more, or request a quote directly. We work with pipes, tanks, machined parts, systems, and more.

Passivation

Passivation

Restore and improve the corrosion resistance of your stainless steel components and systems. Shop and field service available.

ASTM A967ASTM A380
Derouging

Derouging

Remove rouge contamination from high-purity systems, including vessels, process piping, and pharmaceutical or biotech equipment.

ASTM A380
Cleaning for Oxygen Service (CFOS)

Cleaning for Oxygen Service (CFOS)

Specialty cleaning for components and systems operating in oxygen-rich environments where contamination creates safety risks.

CGA G-4.1
Electropolishing

Electropolishing

Electrochemical surface refinement for exceptional purity, finish quality, and corrosion resistance, ideal for high-spec applications.

ASTM B912
Pickling

Pickling

Acid cleaning to remove heat scale, oxides, and surface contaminants from stainless steel and other metals before passivation or finishing.

ASTM A380
Bioburden Remediation

Bioburden Remediation

Reduce microbial contamination in critical process systems to meet cleanroom and regulatory standards.

System Sanitization

System Sanitization

Full-system sanitization for process piping, vessels, high-purity water systems, and more.

ASME BPE
Part Sanitization

Part Sanitization

Precision sanitization of individual components, fittings, valves, and small assemblies at our facility.

Consulting

Consulting

Compliance review, specification guidance, and expert troubleshooting for surface treatment challenges across industries.

Don't see what you're looking for? See our other services or contact us!

Project Examples

Before-and-after results from our shop and field work across industries.

Specialty Machined Parts

Specialty Machined Parts

Before and after passivation of precision machined components for manufacturing applications.

Derouging & Passivation

Derouging & Passivation

Before and after derouging and passivation of stainless steel. Rouge removed and passive layer fully restored.

Ventilation System Cleaning

Ventilation System Cleaning

Before and after cleaning of a ventilation system. Contamination removed, derouged, electropolished.

Heat Exchanger Passivation — before
Heat Exchanger Passivation — after

Heat Exchanger Passivation

Before and after treatment of a heat exchanger. Scale removed, passivated, corrosion resistance fully restored.

Heat Exchanger Descaling

Heat Exchanger Descaling

Before and after descaling of a heat exchanger. Scale and mineral deposits removed, flow surfaces fully restored.

Stainless Steel Derouging

Stainless Steel Derouging

Rouge removed from high-purity inlet. Restored to bare metal and passivated.

What Our Customers Say

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Why Pure Source?

We combine technical expertise, flexible service options, and a commitment to quality that exceeds standard requirements.

Competitive Pricing

Fair, transparent quotes with no hidden fees.

Fast Turnaround

Expedited shop service available in 1–2 business days.

Shop & Field Flexible

We come to your facility, or you ship parts to ours.

Standards Expertise

Deep knowledge of ASTM A967, A380, CGA G-4.1, and more.

Established in 1967

Decades of surface treatment experience in Southern California.

Pickup & Delivery

Available for shop jobs throughout Southern California.

Skilled Technicians

Trained, certified, detail-oriented on every job.

Confidential Service

Your specifications and project details can remain private.

Need a Quote?

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