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.
Is currently underway. Can still be booked.
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 recooling 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 recooling water
Article Number: 2010962
July 2027 Add to cart
Enumeration of E. coli & coliforms 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 & coliforms 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
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
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. (direct plating) [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 recooling 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.