Welcome to EPTIS
We help you find a Proficiency Testing (PT) scheme or round 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.
Welcome to COMAR new!
Also visit our twin database COMAR if you are looking for a high-quality Certified Reference Material.
PT round calendar
A selection of next PT rounds. Coming up next:
LGC AXIO | PFAS in water
LGC AXIO | Lanthanides in surface water
Qarshi | Crude fat, moisture, total ash in food
LGC AXIO | Bisphenol A in beer
LGC AXIO | PFAS in beer
LGC AXIO | Ethylene oxide in cereals
LGC AXIO | Nutritional parameters in almond or soy milk
LGC AXIO | PFAS in soil
DRRR | Analysis of plastics, rubber, metals, paintwork
DRRR | EMC testing: radiated emission and susceptibility
DRRR | Foods & consumer goods: mineral oil (MOSH, MOAH)
Next events
Workshops and trainings broadly relating to PT:
14-19 July 2025 | IUPAC World Chemistry Congress
18-24 July 2025 | NCSLI 2025 Workshop and Conference