We are a test laboratory accredited according to DIN EN ISO / IEC 17025, which operates independently at the Gelsenkirchen site.

What we do:

In our other facilities in the northern German ports of Nordenham and Hamburg we offer the following services:


We always act customer-oriented and are very flexible due to a lean organizational structure and our many years of experience as a service laboratory. Our aim is to respond to your special requests and to deliver quick results within the framework of the requirements.


We are an independent company consisting of four shareholders and ten employees who have worked together as a team for many years. All of our employees (graduate chemists, chemical engineers, chemical laboratory technicians or chemists) have 15 to 40 years of experience in our specialist areas. We have the highest ethical standards, show transparency, want to create sustainability and added value.

We would be happy to help you with our extensive expertise in questions in our areas.



Accreditation according to DIN EN ISO / IEC 17025: 2018

The German Accreditation Service GmbH confirmed the Ruhr Lab GmbH,
with the decision dated 25.09.2019,
the competence tests after
DIN EN ISO/IEC 17025:2018 perform.
Registration number:D-PL-21007-01-00

Recognition test laboratory DIN CERTCO

The Society for Conformity Assessment mbH confirmed to Ruhr Lab GmbH that
with the decision dated 10.05.2019,
to carry out the competence tests within the scope of
the certification procedures of
DIN CERTCO. Registration number: PL 248

Round robin sampling 2019 DCC Delta Coal Control GmbH

The Ruhr Lab GmbH participated very successfully in the proficiency test
"manual sampling of hard coal" of the DCC Delta Coal Control GmbH on May 21st, 2019 in Berlin.

Membership Barbecue Industry Association Grill e.V.

Ruhr Lab GmbH supports the European industry association for manufacturers and retailers of grills, fuels, firelighters and has been a member of the Barbecue Industry Association Grill e.V. since October 2019