Name Planned shipping method Start Date  
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 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
Enumeration of Legionella spp. in recooling water
Article Number: 2010958
September 2027 Add to cart
Enumeration of Listeria in ground meat
Parameters (quantitative): L. monocytogenes [cfu/g], aerobic total count [cfu/g]
Article Number: 2010507
Description: Possible methods for participation, e.g.: ISO 11290-2, §64 LFGB L00.00-22
Category: immunological, molecular biological and microbiological testing food and feed meat products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping August 2026 Add to cart
Enumeration of Listeria in ground meat
Article Number: 2010507
August 2027 Add to cart
Enumeration of Listeria in vegetables
Parameters (quantitative): L. monocytogenes [cfu/g], aerobic total count [cfu/g]
Article Number: 2010489
Description: Possible methods for participation, e.g.: ISO 11290-2, §64 LFGB L00.00-22
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 2
Frozen shipping August 2026 Add to cart
Enumeration of Listeria in vegetables
Article Number: 2010489
August 2027 Add to cart
Enumeration of moulds in cheese
Parameters (quantitative): moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010178
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
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 1
Frozen shipping May 2026 Add to cart
Enumeration of moulds in cheese
Article Number: 2010178
May 2027 Add to cart
Enumeration of moulds in fruit juice concentrate
Parameters (quantitative): moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010594
Description: Quantitative analyse of different germs like moulds, e.g. with IFU-Method 2, IFU-Method 4
Category: immunological, molecular biological and microbiological testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping April 2026 Add to cart
Enumeration of moulds in fruit juice concentrate
Article Number: 2010594
April 2027 Add to cart
Enumeration of moulds in fruits
Parameters (quantitative): moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010565
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 April 2026 Add to cart
Enumeration of moulds in fruits
Article Number: 2010565
April 2027 Add to cart
Enumeration of moulds in milk powder 1
Parameters (quantitative): moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010065
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
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 1
Frozen shipping February 2026 Add to cart
Enumeration of moulds in milk powder 1
Article Number: 2010065
February 2027 Add to cart
Enumeration of moulds in milk powder 2
Parameters (quantitative): moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010475
Description: Possible methods for participation, e.g.: ISO 21527-2, §35 LMBG 01.00-37, ISO 4833, §64 LFGB L00.00-88
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 1
Frozen shipping November 2026 Add to cart
Enumeration of moulds in milk powder 2
Article Number: 2010475
November 2027 Add to cart
Enumeration of moulds in O W emulsion
Parameters (quantitative): moulds [cfu/g]
Article Number: 2010079
Description: Possible methods for participation, e.g.: ISO 16212, 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 moulds in O W emulsion
Article Number: 2010079
September 2027 Add to cart
Enumeration of osmophilic moulds in sweets
Parameters (quantitative): osmophilic moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010538
Category: immunological, molecular biological and microbiological testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Frozen shipping April 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.