Pharmaceuticals, Industrial Chemicals and Artificial Sweeteners

• Two proficiency testing items (samples) on different concentration levels
• 2 x 1 L per proficiency testing items
• One municipal waste water and one surface water sample
• Stabilization by approximately 10 mg sodium azide per bottle
• Details: UBA and Annual Programme 2026



Parameter	AZ13
4-Acetylaminoantipyrine	*
4-Formylaminoantipyrine	*
10,11-Dihydro-10,11-Dihydroxycarbamazepine	*
Acesulfame	*
Amidotrizoic acid	*
Atenolol	*
Benzotriazole	*
Bisoprolol	*
Carbamazepine	*
Cyclamate	*
Diazepam	*
Diclofenac	*
Ibuprofen	*
Iopamidol	*
Metoprolol	*
Saccharin	*
Sotalol	*
Sucralose	*
Sulfamethoxazole	*





Proficiency testing round	Registration deadline	Dispatch	Organisation	Proficiency testing item	Closing date
AZ13	24.02.2026 *)	10.03.2026	UBA	natural water	14.04.2026


^*) Registration after the registration deadline: on request


• Contact UBA: Martha Schmid, MSc.
  Phone: +43(0) 1 31304 4334