Welcome to EPTIS
We help you find a Proficiency Testing (PT) scheme for your laboratory.
PT scheme database
The EPTIS PT scheme database is our core service, brought to you by a network of coordinators worldwide.
There are many PT schemes operated worldwide. You find a large share of them in our database - 1000s of them are regularly operated, and some are on demand. Try it out: the database is free and easy to use. Examples for your database query:
metals AAS
color colour textile
radioact* environm* (the * is our wildcard)
Found a suitable PT scheme? Contact its provider directly for further info.
Next events
Workshops and trainings broadly relating to PT:
Any suggestion? Always welcome.
12 Feb 2026 | FAIR data in metrology
25-27 Feb 2026 | DCC Conference
11 Mar 2026 | AI in metrology
11-12 Mar 2026 | Eurachem Method validation, IGC & PT
24-27 Mar 2026 | Analytica Fair
PT round calendar
A selection of next PT rounds. Coming up next:
Qarshi | Hardness, alkalinity, pH, turbidity, major ions
BIPEA | Honey and plant syrup
LGC AXIO | Infant formula (powdered)
LGC AXIO | Haloacetic acids in water
LGC AXIO | Beer quality
ASA | Food microbiology
BIPEA | Water microbiology
BIPEA | SARS-CoV-2
Air Factory | WTE plant emissions: CO2, PCDD/F etc.
Qualitycheck | Organic compounds in water
Fluxana | EAF slag: oxydes by XRF
Fluxana | Stainless steel 1.4404 additive manufacturing powder
BIPEA | Physico-chemistry, Microbiology and Contaminants
OFI | Plastics, rubber, geotextiles, geosynthetics
CMLS | Pesticide residues (OCP, OP, Pyrethroids, Fipronil)
Welcome to COMAR new!
Also visit our twin database COMAR if you are looking for a high-quality Certified Reference Material.