Proficiency Tests and Reference Material Provider

Proficiency testing is critical for assessing and improving the performance of laboratories. These tests are conducted by independent organizations, allowing laboratories to prove the accuracy and reliability of their results. Proficiency testing in accordance with EN ISO/IEC 17043 is essential for all laboratories.

USB Certification has contracted Deutsches Referenzbüro für Ringversuche und Referenzmaterialien (DRRR GmbH) as the official distributor in Turkey, Saudi Arabia, Romania, United Arab Emirates and Bulgaria. DRRR is an accredited Proficiency Testing Provider by DAkkS and A2LA.

At USB Certification, we offer a wide range of proficiency testing services for laboratories to improve their quality management processes and comply with international standards.

The main advantages of proficiency tests:

Confirmation of authorized performance
Identify test or measurement problems
Comparing methods and procedures
Improving laboratory performance
Staff training and development
Providing trust to staff, management and external users
Comparing operator capabilities
Creation of reference materials
Determine the accuracy and precision of methods
Evidence of meeting the requirements of legal authorities and accreditation bodies
Providing laboratories with additional risk management

Proficiency Test Programs
USB Certification, in collaboration with DRRR, offers a wide range of proficiency testing programs for various industries.

Food and Feed
Consumer Products and
Packaging
Medical Devices
Material Testing
Textile, Leather, PPE
Building Materials
PFAS and Pesticide Testing

tests for sectors such as the laboratories increase the methodological accuracy and reliability of the laboratories. In particular, our new PFAS and pesticide testing programs are designed to be compatible with the latest technologies.

2025/2026 Proficiency Tests Catalog – ODIN

Our updated proficiency test catalogs for 2025 – 2026 are now available! With around 1,100 different proficiency testing programs, we offer your laboratories a wide range of tests.

FOOD AND FEED

Milk and Dairy Products e.g. milk and cream, milk powder, cheese, ice cream
Other Animal Products e.g. meat products, fish and seafood, egg products, honey and beeswax
Beverages such as alcoholic and soft drinks, mineral water and table water
Fruit and Vegetable Products
Cereals e.g. cereals, cereal products, vegan and vegetarian substitutes
Fats, Oils and Oilseeds
Cocoa And Chocolate
Baby Food
Animal Feed

CONSUMER PRODUCTS

Consumer Food Contact Products e.g. plastics, plastic film, paper and cardboard, utensils and crockery, canned food, glass, printing ink
Consumer Products with Body Contact e.g. cosmetics, leather, textiles, jewelry, toys, tattoo ink
Cleaning agent, disinfectant, detergent
electronic cigarettes

MATERIAL TEST

Plastics and Plastic Products thermoplastics, films, tubes, foams, foams, composites
All relevant properties required for Rubber and TPE Characterization
Surface Coating e.g. painted and galvanized plastics and metals, layer thicknesses
Metals e.g. tensile and impact tests, hardness, corrosion tests (NSS, CASS), coating thickness
Personal Protective Equipment e.g. Protective clothing, Hand and Arm protectors
Leather, e.g. mechanical properties, burning behavior, friction resistance
Textile e.g. fabric properties, functional properties and color fastness
building materials e.g. mortar for solid concrete, cement, masonry and insulation materials
Electromagnetic Compatibility (EMC) Radiation Emission and Susceptibility (Immunity), Conducted Distortion and Immunity
Environmental Testing e.g. vibration, shock, temperature change and damp heat