Name Planned shipping method Start Date  
Synthetic waste water - PCB
Parameters (quantitative): PCB 28 (CAS 7012-37-5) [µg/l], PCB 52 (CAS 35693-99-3) [µg/l], PCB 101 (CAS 37680-73-2) [µg/l], PCB 118 (CAS 31508-00-6) [µg/l], PCB 138 (CAS 35065-28-2) [µg/l], PCB 153 (CAS 35065-27-1) [µg/l], PCB 180 (CAS 35065-29-3) [µg/l]
Article Number: 2011371
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature June 2026 Add to cart
Synthetic waste water - PCB
Article Number: 2011371
June 2027 Add to cart
Synthetic waste water - phthalates
Parameters (quantitative): DMEP (CAS 117-82-8) [µg/l], BBP (CAS 85-68-7) [µg/l], DCHP (CAS 84-61-7) [µg/l], DIDP (CAS 26761-40-0) [µg/l], DIOP (CAS 27554-26-3) [µg/l], DIBP (CAS 84-69-5) [µg/l], DINP (CAS 28553-12-0) [µg/l], DHEXP (CAS 84-75-3) [µg/l], DNOP (CAS 117-84-0) [µg/l], DPP (CAS 131-18-0) [µg/l], DPRP (CAS 131-16-8) [µg/l], DEHP (CAS 117-81-7) [µg/l], DBP (CAS 84-74-2) [µg/l], DEP (CAS 84-66-2) [µg/l], DIPP (CAS 605-50-5) [µg/l], DNP (CAS 84-76-4) [µg/l]
Article Number: 2011378
Description: This proficiency testing offers you the opportunity to test your analysis of certain parameters based on the currently published ZDHC Wastewater Guidelines. Possible testing e.g. by ISO 18856
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Shipping at room temperature July 2026 Add to cart
Synthetic waste water - phthalates
Article Number: 2011378
July 2027 Add to cart
Synthetic waste water - VOC
Parameters (quantitative): benzene (CAS 71-43-2) [µg/l], o-cresol (CAS 95-48-7) [µg/l], m-cresol (CAS 108-39-4) [µg/l], p-cresol (CAS 106-44-5) [µg/l], toluene (CAS 108-88-3) [µg/l], xylene (CAS 1330-20-7) [µg/l]
Article Number: 2011369
Description: This proficiency testing offers you the opportunity to test your analysis of certain parameters based on the currently published ZDHC Wastewater Guidelines.
Category: chemical-physical testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
New proficiency testing
Refrigerated shipping June 2026 Add to cart
Synthetic waste water - VOC
Article Number: 2011369
June 2027 Add to cart
Zahn-Wellens, EMPA test (ISO 9888, OECD 302B)
Parameters (quantitative): Final degree of degradation [%], Biodegradation t = 3 h [%], Biodegradation t = 1 d [%], Biodegradation t = 3 d [%], Biodegradation t = 7 d [%], Biodegradation t = 10 d [%], Biodegradation t = 14 d [%], Biodegradation t = 17 d [%], Biodegradation t = 23 d [%], Biodegradation t = 28 d [%]
Article Number: 2011137
Description: The samples should be tested for biodegradability at 20-25°C over a period of 28 days. The DOC value of the samples must be determined in a preliminary test.
Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature September 2026 Add to cart
Zahn-Wellens, EMPA test (ISO 9888, OECD 302B)
Article Number: 2011137
September 2027 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.