Name Planned shipping method Start Date  
Enumeration & identification of beer specific microorganisms
Parameters (qualitative): identification
Parameters (quantitative): yeasts, lactic acid bacteria, aerobic total count
Article Number: 2011345
Description: Enumeration and identification of relevant beer-specific microorganisms (yeasts, lactic acid bacteria, aerobic total count). Examination of microbial suspensions in beer matrix
Category: immunological, molecular biological and microbiological testing food and feed alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
New proficiency testing
Frozen shipping August 2026 Add to cart
Enumeration & identification of beer specific microorganisms
Parameters (qualitative): identification
Article Number: 2011345
August 2027 Add to cart
Enumeration and detection of Listeria in milk powder 1
Parameters (qualitative): L. monocytogenes qualitative
Parameters (quantitative): L. monocytogenes [cfu/g], aerobic total count [cfu/g]
Article Number: 2010059
Description: Possible methods for participation, e.g.: ISO 11290-1, §64LFGB L00.00-32, ISO 11290-2; §64 LFGB L00.00-22
Category: immunological, molecular biological and microbiological testing food and feed milk powder
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping January 2026 Add to cart
Enumeration and detection of Listeria in milk powder 1
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010059
January 2027 Add to cart
Enumeration and detection of Listeria in milk powder 2
Parameters (qualitative): L. monocytogenes qualitative
Parameters (quantitative): L. monocytogenes [cfu/g], aerobic total count [cfu/g]
Article Number: 2010153
Description: Possible methods for participation, e.g.: ISO 11290-1, §64LFGB L00.00-32, ISO 11290-2; §64 LFGB L00.00-22
Category: immunological, molecular biological and microbiological testing food and feed milk powder
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Is currently underway. Can still be booked.
Frozen shipping October 2025 Add to cart
Enumeration and detection of Listeria in milk powder 2
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010153
August 2026 Add to cart
Enumeration and detection of Listeria in milk powder 2
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010153
August 2027 Add to cart
Enumeration and detection of moulds in fruit preparation
Parameters (qualitative): moulds qualitative
Parameters (quantitative): moulds [cfu/g]
Article Number: 2010101
Description: Possible methods for participation, e.g.: ISO 21527-2
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping August 2026 Add to cart
Enumeration and detection of moulds in fruit preparation
Parameters (qualitative): moulds qualitative
Article Number: 2010101
August 2027 Add to cart
Enumeration and detection of yeasts in fruit preparation
Parameters (qualitative): yeasts qualitative
Parameters (quantitative): yeasts [cfu/g]
Article Number: 2010043
Description: Possible methods for participation, e.g.: ISO 21527-2
Category: immunological, molecular biological and microbiological testing food and feed fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping August 2026 Add to cart
Enumeration and detection of yeasts in fruit preparation
Parameters (qualitative): yeasts qualitative
Article Number: 2010043
August 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 bacteria in O W emulsion
Parameters (quantitative): aerobic total count [cfu/g]
Article Number: 2010071
Description: Possible methods for participation, e.g.: ISO 21149, Pharm.Eur 2.6.12
Category: immunological, molecular biological and microbiological testing consumer goods and packaging cosmetic
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping September 2026 Add to cart
Enumeration of aerobic bacteria in O W emulsion
Article Number: 2010071
September 2027 Add to cart
Enumeration of aerobic bacteria in tattoo ink
Parameters (quantitative): aerobic total count [cfu/g]
Article Number: 2010354
Description: Possible methods for participation, e.g.: Tattoo product regulation
Category: immunological, molecular biological and microbiological testing consumer goods and packaging tattoo ink
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping October 2026 Add to cart
Enumeration of aerobic bacteria in tattoo ink
Article Number: 2010354
October 2027 Add to cart
Enumeration of aerobic spores in milk
Parameters (quantitative): aerobic spores [cfu/g], aerobic total count [cfu/g]
Article Number: 2010467
Description: Possible methods for participation, e.g.: Baumgart et al., VDLUFA 7.17.2, ISO 4833
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping May 2026 Add to cart
Enumeration of aerobic spores in milk
Article Number: 2010467
May 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
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.