Doncaster

Fluid Testing and Analysis Laboratory

In April 2026, POLARIS Laboratories® acquired Oil Check Laboratory Services Ltd (OCLS) located in Doncaster, UK.

The UK laboratory delivers fast, precise fluid analysis for oils and lubricants, diesel fuel, coolants, grease, diesel exhaust fluid (DEF) and transformer oil. Serving customers throughout UK and Mainland Europe, this facility delivers fast turnaround times, diagnostic analysis and actionable insights to help maintenance teams improve equipment reliability and reduce unexpected failures.

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Laboratory Information

Address:

Unit 14, Roberts Road Business Park

Roberts Road

Doncaster DN4 0JT

United Kingdom

Customer Experience

Email: serviceeu@eoilreports.com

Phone: +44 1302 329609

Monday thru Friday, 7:30 a.m. – 4:00 p.m.

Data Analysis

Our Data Analysis team is available globally.

Email: da@eoilreports.com

Phone: +44 1302 329609

Monday thru Friday, 7:00 a.m. – 12:30 a.m. ET

Fluids Accepted for Testing at this Location

Lubricant Testing

Wear metals
Contamination (water, dirt, fuel, coolant)
Viscosity
Oxidation & thermal degradation
Additive health

Diesel Fuel Testing

Fuel quality assessment
Microbial contamination
Water content
Stability and storage testing

Coolant Testing

Corrosion protection
Inhibitors
Contamination
Freeze point

Grease Testing

Base oil condition
Contamination
Consistency

View All Testing Packages

Sample Drop‑Off & Shipping Information

Shipping Options

Shipping time is the largest factor in speeding up how quickly your sample report is issued. Using a trackable mail service allows you to see exactly when a package was shipped, where it is in transit, and when it arrives at a laboratory. The recommended trackable shipping services include DHL, UPS and FedEx.

Sample Supplies

Order sample kits and sampling supplies via the HORIZON^® Store

Industries Served by the Doncaster Laboratory

The Doncaster lab supports a wide range of European industries, including:

Power Generation &
Backup Generator Systems

Construction &
Heavy Equipment

Mining &
Quarrying

Transportation &
Fleet Operations

Industrial &
Manufacturing Plants

Marine &
Port Equipment

Agricultural &
Municipal Operations

About POLARIS Laboratories^®

POLARIS Laboratories^® operates a network of eight laboratories across North America, Central and Latin America and Europe, offering full‑service testing for lubricants, diesel fuel, DEF, coolants and greases. Powered by AI‑enhanced insights, secure data integrations, and a certified data analysis team — our programs help organizations improve equipment reliability, reduce maintenance costs, and make smarter maintenance decisions.

FREE WEBINAR | ZERO TOLERANCE FOR DOWNTIME: FLUID ANALYSIS FOR CRITICAL POWER SYSTEMS

| February 10

JOIN US FOR OUR VIRTUAL PRACTICAL OIL ANALYSIS TRAINING | JANUARY 27, 2026 - 9-4 ET | $600

SEMINARIO WEB | Análisis Complementarios en su Programa de Monitoreo de Fluidos | 19 de AGOSTO

REGISTRARSE PRÓXIMOS SEMINARIOS WEB