Name Planned shipping method Start Date  
Enumeration and detection of yeasts in fruit preparaton
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 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 October 2026 Add to cart
Enumeration of aerobic bacteria in O W emulsion
Article Number: 2010071
October 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
Enumeration of aerobic total count in recooling water
Article Number: 2010962
July 2027 Add to cart
Enumeration of anaerobic mesophilic spores in milk powder
Parameters (quantitative): anaerobic mesophilic spores [cfu/g], anaerobic total count [cfu/g]
Article Number: 2010934
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 September 2026 Add to cart
Enumeration of anaerobic mesophilic spores in milk powder
Article Number: 2010934
September 2027 Add to cart
Enumeration of B. cereus in cheese
Parameters (quantitative): B.cereus [cfu/g], aerobic total count [cfu/g]
Article Number: 2010156
Description: Possible methods for participation, e.g.: ISO 7932, LFGB § 64 L 01.00.33, ISO 4833, LFGB § 64 L 00.00.88
Category: immunological, molecular biological and microbiological testing food and feed cheese
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping May 2026 Add to cart
Enumeration of B. cereus in cheese
Article Number: 2010156
May 2027 Add to cart
Enumeration of B. cereus in milk powder
Parameters (quantitative): B.cereus [cfu/g], aerobic total count [cfu/g]
Article Number: 2010109
Description: Possible methods for participation, e.g.: ISO 7932, LFGB § 64 L 01.00.33, ISO 4833, LFGB § 64 L 00.00.88
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 May 2026 Add to cart
Enumeration of B. cereus in milk powder
Article Number: 2010109
May 2027 Add to cart
Enumeration of bifidobacteria in infant food
Parameters (quantitative): Bifidobacteria [cfu/g]
Article Number: 2010182
Description: Possible methods for participation, e.g.: ISO 29981
Category: immunological, molecular biological and microbiological testing food and feed infant formula
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping July 2026 Add to cart
Enumeration of bifidobacteria in infant food
Article Number: 2010182
July 2027 Add to cart
Enumeration of characteristic microorganisms in yoghurt
Parameters (quantitative): Lactobacillus bulgaricus [cfu/g], Streptococcus thermophilus [cfu/g]
Article Number: 2010317
Category: immunological, molecular biological and microbiological testing food and feed milk products (other)
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
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.