Proficiency testing catalogue: environmental analytics
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PFAS in soil
Parameters (quantitative): total perfluorooctanesulfonic acid (CAS 1763-23-1) [µg/kg dry matter], total perfluorooctanoic acid (CAS 335-67-1) [µg/kg dry matter], total perfluorononanoic acid (CAS 375-95-1) [µg/kg dry matter], total perfluorohexane sulfonic acid (CAS 355-46-4) [µg/kg dry matter], dry matter 1 [g/100 g] Article Number: 2011127 Description: In each case, the sum of linear and branched isomers of PFOS, PFOA, PFNA and PFHxS is queried. The concentration of per- and polyfluorinated substances (PFAS) is in the µg/kg range. Category: chemical-physical testing Environmental analytics soil Accreditation: This proficiency test is not included in the scope of the accreditation. Is currently underway. Can still be booked. |
 Frozen shipping
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May 2026 | Add to cart | |
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PFAS in soil
Article Number: 2011127 |
June 2027 | Add to cart | ||
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Plastic materials - aerobic biodegradability (ISO 14855-2, ASTM D5338-15)
Parameters (quantitative): Biodegradation via CO2 [%] Article Number: 2011138 Description: The samples are to be tested for biodegradability at 58°C under aerobic conditions over a period of 45 days. Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation Accreditation: This proficiency test is not included in the scope of the accreditation. |
 Refrigerated shipping
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October 2026 | Add to cart | |
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Plastic materials - aerobic biodegradability (ISO 14855-2, ASTM D5338-15)
Article Number: 2011138 |
October 2027 | Add to cart | ||
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Plastic materials - anaerobic biodegradability (ASTM D5511)
Parameters (quantitative): Biodegradation via CO2 and CH4 development [%] Article Number: 2011139 Description: The samples should be tested for biodegradability under anaerobic conditions at 37°C (mesophilic conditions) over a period of 30 days. Note: Please contact us if you would like to test the samples at 52°C (thermophilic conditions). Category: immunological, molecular biological and microbiological testing Environmental analytics biodegradation Accreditation: This proficiency test is not included in the scope of the accreditation. |
Refrigerated shipping
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October 2026 | Add to cart | |
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Plastic materials - anaerobic biodegradability (ASTM D5511)
Article Number: 2011139 |
October 2027 | Add to cart | ||
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Synthetic waste water - aromatic amines from azo dyes
Parameters (quantitative): o-toluidine (CAS 95-53-4) [µg/l], o-anisidine (CAS 90-04-0) [µg/l], o-dianisidine (CAS 119-90-4) [µg/l], 5-nitro-o-toluidine (CAS 99-55-8) [µg/l], o-aminoazotoluene (CAS 97-56-3) [µg/l], 4-chloroaniline (CAS 106-47-8) [µg/l], 3,3'-dichlorobenzidine (CAS 91-94-1) [µg/l], benzidine (CAS 92-87-5) [µg/l], o-tolidine (CAS 119-93-7) [µg/l], 2,4-diaminotoluene (CAS 95-80-7) [µg/l], 2,4-xylidine (CAS 95-68-1) [µg/l], 2,6-xylidine (CAS 87-62-7) [µg/l] Article Number: 2011376 Description: This proficiency testing offers you the opportunity to test your analysis of certain parameters based on the currently published ZDHC Wastewater Guidelines. The analysis shall be carried out by reduction with sodium dithionite and subsequent determination by GC/MS and LC-MS/MS. Possible testing e.g. by ISO 14362-1, ISO 14362-3, US EPA 8270E 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
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November 2026 | Add to cart | |
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Synthetic waste water - aromatic amines from azo dyes
Article Number: 2011376 |
June 2027 | Add to cart | ||
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Synthetic waste water - organotin compounds
Parameters (quantitative): n-butyltintrichloride (as cation) (CAS 1118-46-3) [µg/l], n-octyltintrichloride (as cation) (CAS 3091-25-6) [µg/l], di-n-butyltindichloride (as cation) (CAS 683-18-1) [µg/l], di-n-octyltindichloride (as cation) (CAS 3542-36-7) [µg/l], tri-n-butyltinchloride (as cation) (CAS 1461-22-9) [µg/l], triphenyltinchloride (as cation) (CAS 639-58-7) [µg/l], tricyclohexyltinchloride (as cation) (CAS 3091-32-5) [µg/l], tetra-n-butyltin (CAS 1461-25-2) [µg/l] Article Number: 2011377 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 17353 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
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November 2026 | Add to cart | |
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Synthetic waste water - organotin compounds
Article Number: 2011377 |
July 2027 | Add to cart | ||
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Synthetic waste water - PAH
Parameters (quantitative): acenaphthene (CAS 83-32-9) [µg/l], acenaphthylene (CAS 208-96-8) [µg/l], anthracene (CAS 120-12-7) [µg/l], benzo[a]anthracene (CAS 56-55-3) [µg/l], benzo[a]pyrene (CAS 50-32-8) [µg/l], benzo[b]fluoranthene (CAS 205-99-2) [µg/l], benzo[e]pyrene (CAS 192-97-2) [µg/l], benzo[ghi]perylene (CAS 191-24-2) [µg/l], benzo[j]fluoranthene (CAS 205-82-3) [µg/l], benzo[k]fluoranthene (CAS 207-08-9) [µg/l], chrysene (CAS 218-01-9) [µg/l], dibenzo[a,h]anthracene (CAS 53-70-3) [µg/l], fluoranthene (CAS 206-44-0) [µg/l], fluorene (CAS 86-73-7) [µg/l], indeno[1,2,3-cd]pyrene (CAS 193-39-5) [µg/l], naphthalene (CAS 91-20-3) [µg/l], phenanthrene (CAS 85-01-8) [µg/l], pyrene (CAS 129-00-0) [µg/l] Article Number: 2011370 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 DIN 38407-39, US EPA 8270E 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
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November 2026 | Add to cart | |
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Synthetic waste water - PAH
Article Number: 2011370 |
June 2027 | Add to cart | ||
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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
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November 2026 | Add to cart | |
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Synthetic waste water - PCB
Article Number: 2011371 |
June 2027 | Add to cart | ||
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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,US EPA 8270E 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
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July 2027 | Add to cart | |
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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. Possible testing e.g. by ISO 11423-1, US EPA 8270, US EPA 8260D 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
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November 2026 | Add to cart | |
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Synthetic waste water - VOC
Article Number: 2011369 |
June 2027 | Add to cart | ||
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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
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August 2026 | Add to cart | |
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Zahn-Wellens, EMPA test (ISO 9888, OECD 302B)
Article Number: 2011137 |
September 2027 | Add to cart | ||
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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.
Under certain circumstances, this parameter may not be available in the proficiency test.