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
Restore and improve the corrosion resistance of your stainless steel components and systems. Shop and field service available.
Derouging
Remove rouge contamination from high-purity systems, including vessels, process piping, and pharmaceutical or biotech equipment.
Cleaning for Oxygen Service (CFOS)
Specialty cleaning for components and systems operating in oxygen-rich environments where contamination creates safety risks.
Electropolishing
Electrochemical surface refinement for exceptional purity, finish quality, and corrosion resistance, ideal for high-spec applications.
Pickling
Acid cleaning to remove heat scale, oxides, and surface contaminants from stainless steel and other metals before passivation or finishing.
Bioburden Remediation
Reduce microbial contamination in critical process systems to meet cleanroom and regulatory standards.
System Sanitization
Full-system sanitization for process piping, vessels, high-purity water systems, and more.
Part Sanitization
Precision sanitization of individual components, fittings, valves, and small assemblies at our facility.
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
Before and after passivation of precision machined components for manufacturing applications.
Derouging & Passivation
Before and after derouging and passivation of stainless steel. Rouge removed and passive layer fully restored.
Ventilation System Cleaning
Before and after cleaning of a ventilation system. Contamination removed, derouged, electropolished.
Heat Exchanger Passivation
Before and after treatment of a heat exchanger. Scale removed, passivated, corrosion resistance fully restored.
Heat Exchanger Descaling
Before and after descaling of a heat exchanger. Scale and mineral deposits removed, flow surfaces fully restored.
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?
Get the conversation started, we'll follow up within one business day.