Currently set filters:

  • Type of Testing: Immunologic, molecular biologic and microbiologic
Name Planned shipping method Start Date  
Aerobic total count drinking water
Parameters (quantitative): aerobic total count 36°C [KbE/ml], aerobic total count 22°C [KbE/ml]
Article Number: 2010656
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
Aerobic total count drinking water
Article Number: 2010656
April 2027 Add to cart
CO2 evolution test (ISO 9439, OECD 301B)
Parameters (quantitative): CO2 [mg]
Article Number: 2011136
Description: The samples should be tested for biodegradability under aerobic conditions at 25°C over a period of 28 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 December 2025 Add to cart
CO2 evolution test (ISO 9439, OECD 301B)
Article Number: 2011136
September 2026 Add to cart
CO2 evolution test (ISO 9439, OECD 301B)
Article Number: 2011136
September 2027 Add to cart
Enumeration moulds indoor air
Parameters (quantitative): moulds [cfu/filter]
Article Number: 2010954
Description: Possible methods for participation, e.g.: ISO 16000
Category: immunological, molecular biological and microbiological testing Environmental analytics indoor air
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
Refrigerated shipping July 2026 Add to cart
Enumeration moulds indoor air
Article Number: 2010954
July 2027 Add to cart
enumeration of aerobic total count in recoooling water
Parameters (quantitative): aerobic total count 36°C [cfu/ml], aerobic total count 22°C [cfu/ml]
Article Number: 2010962
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Refrigerated shipping July 2026 Add to cart
enumeration of aerobic total count in recoooling water
Article Number: 2010962
July 2027 Add to cart
enumeration of E. coli & coliform bacteria in drinking water
Parameters (quantitative): E.coli [cfu/100ml], Coliforms [cfu/100ml]
Article Number: 2010654
Description: water quality Separate evaluation of the parameters E. coli and coliform bacteria
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
enumeration of E. coli & coliform bacteria in drinking water
Article Number: 2010654
April 2027 Add to cart
enumeration of E. coli & coliforms in surface and waste water
Parameters (quantitative): E.coli [cfu/100ml], Coliforms [cfu/100ml]
Article Number: 2010670
Description: water quality Separate evaluation of the parameters E. coli and coliform bacteria
Category: immunological, molecular biological and microbiological testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
enumeration of E. coli & coliforms in surface and waste water
Article Number: 2010670
April 2027 Add to cart
enumeration of enterococci in drinking water
Parameters (quantitative): Enterococcus [cfu/100ml]
Article Number: 2010658
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1-2
Frozen shipping April 2026 Add to cart
enumeration of enterococci in drinking water
Article Number: 2010658
April 2027 Add to cart
enumeration of enterococci in surface and waste water
Parameters (quantitative): Enterococcus [cfu/100ml]
Article Number: 2010672
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics surface- and waste water (bath water)
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 1-2
Frozen shipping April 2026 Add to cart
enumeration of enterococci in surface and waste water
Article Number: 2010672
April 2027 Add to cart
enumeration of Legionella spp. in drinking water
Parameters (quantitative): Legionella spp. plating (original sample) [cfu/100ml], Legionella spp. membrane filtration (with acid treatment) [cfu/100ml]
Article Number: 2010114
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics drinking water
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 2
Frozen shipping September 2026 Add to cart
enumeration of Legionella spp. in drinking water
Article Number: 2010114
September 2027 Add to cart
enumeration of Legionella spp. in recoolng water
Parameters (quantitative): Legionella spp. membrane filtration (after heat treatment) [cfu/100ml], Legionella spp. membrane filtration (with acid treatment) [cfu/100ml], Legionella spp. plating (original sample) [cfu/100ml], Legionella spp. plating (after heat treatment) [cfu/100ml], Legionella spp. plating (with acid treatment) [cfu/100ml]
Article Number: 2010958
Description: water quality
Category: immunological, molecular biological and microbiological testing Environmental analytics recooling water
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
risk group 2
Refrigerated shipping September 2026 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.