All proficiency tests – Page 2 – Institute for Interlaboratory Studies

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

2027 PT-Program now available!

Proficiency tests

Petroleum products

Consumer products

PT Provisional scopes

About iis

Company Information

Quality and Integrity

Overview of Costs

Item added to your cart

Independent

fully independent proficiency testing provider

+100 countries

with participating laboratories

Specialist team

experienced roles in proficiency testing

Quality Reports

detailed result reports