Proficiency Τesting



θ  α

Among the services provided by the Chemical Metrology Service of the General Chemical State Laboratory are the development, design, co-ordination, distribution and subsequent evaluation of interlaboratory proficiency testing schemes. Since 2012, the service has been accredited by E.SY.D. (the Greek accreditation body) according to ISO/IEC 17043:2010 (Certificate number 814). The protocol employed for planning and operating proficiency testing schemes fulfills these requirements.

Please find below the distribution programme of PTs available for the 2023-2024 period:  Several testing schemes are available under the SCHEMA logo (Scheme for CHEmical Measurement Assessment). In case you wish to express your interest in participating in one or more of the interlaboratory proficiency testing comparisons which are available for the 2023-2024 period, please supply the data for your organization by completing the respective fields in the registration form and return it by e-mail (to



































Contact us:

Postal address:                 16 An. Tsocha Street, 11521 Athens, Greece

tel.:                                        +30 2132117136-8

fax:                                        +30 2106479114



Head of Service:              Elias Kakoulides, Chemical Engineer (MSc, MPhil, DrEng)

tel.:                                        +30 2106479137