Name Planned shipping method Start Date  
Enterobacteriaceae milk 1
Parameters (quantitative): Enterobacteriaceae [cfu/g], aerobic total count [cfu/g]
Article Number: 2010033
Description: Possible methods for participation, e.g.: ISO 21528-2, §64 LFGB 00.00-133/2, ISO 4833, §35 LMBG 00.00-88
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
Enterobacteriaceae milk 2
Parameters (quantitative): Enterobacteriaceae [cfu/g], aerobic total count [cfu/g]
Article Number: 2010465
Description: Possible methods for participation, e.g.: ISO 21528-2, §64 LFGB 00.00-133/2, ISO 4833, §35 LMBG 00.00-88
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
Unfortunately, no further booking is possible this year.
Frozen shipping October 2024
Enterobacteriaceae milk 2
Article Number: 2010465
November 2025 Add to cart
Enterobacteriaceae milk 2
Article Number: 2010465
November 2026 Add to cart
Evaporated milk
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g], ash [g/100g], phosphorus (P) [mg/100g]
Article Number: 2010041
Description: This proficiency testing scheme is designed for all laboratories which do chemical testing of evaporated milk within the scope of their test program.
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature July 2025 Add to cart
Evaporated milk
Article Number: 2010041
July 2026 Add to cart
Goat´s milk
Parameters (quantitative): fat [g/100g], protein (N x 6,38) [g/100g], freezing point [m°C]
Article Number: 2010372
Description: The anaylsis of the value assessing parameters in goat milk is requested in this proficiency testing round.
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is not included in the scope of the accreditation.
Frozen shipping December 2025 Add to cart
Goat´s milk
Article Number: 2010372
December 2026 Add to cart
Inhibitors in milk
Parameters (quantitative): Tetracycline (CAS 60-54-8) [µg/kg], Amoxicillin (CAS 26787-78-0) [µg/kg], Ceftriaxone (CAS 73384-59-5) [µg/kg], Ciprofloxacin (CAS 85721-33-1) [µg/kg]
Article Number: 2010951
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
Accreditation: This proficiency test is not included in the scope of the accreditation.
Frozen shipping December 2025 Add to cart
Inhibitors in milk
Article Number: 2010951
December 2026 Add to cart
Milk (residues)
Parameters (quantitative): Chloramphenicol (CAS 56-75-7) [µg/kg], PCB 101 (CAS 37680-73-2) [(mg/kg) fat], trichlormethane (CAS 67-66-3) [mg/kg], aflatoxin M1 [µg/kg], Streptomycin (CAS 57-92-1) [µg/l], tetracycline (CAS 60-54-8) [µg/kg]
Article Number: 2010045
Description: The reliable proof of residues in milk is of gaining increasing importance in terms of consumer protection. Regarding this the qualitative determination as well as the quantitative analysis is of high importance. Both is covered by this proficiency testing: A qualitative evaluation for all residues has to be carried out. For those parameters where a detectable limit of residues is identified the quantitative analysis is requested. The performance evaluation is done for the quantitative testing.
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
Accreditation: This proficiency test is not included in the scope of the accreditation.
Frozen shipping April 2025 Add to cart
Milk (residues)
Article Number: 2010045
April 2026 Add to cart
Novovirus milk
Parameters (qualitative): Norovirus
Article Number: 2010944
Category: immunological, molecular biological and microbiological testing food and feed milk and cream
Accreditation: This proficiency test is not included in the scope of the accreditation.
risk group 2
Frozen shipping August 2025 Add to cart
Novovirus milk
Parameters (qualitative): Norovirus
Article Number: 2010944
August 2026 Add to cart
Pesticides in raw milk
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011117
Description: This is a multi-residue proficiency test. For the PT on pesticides, a pre-selection of pesticides was made according to relevance: listed in the list of analytes published by the DRRR. This is available via the DRRR homepage: https://drrr.de/en/proficiency-testing/food-and-feed/ From this list, a selection of pesticides will be available for identification and quantification in the PT round.
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2025 Add to cart
Pesticides in raw milk
Parameters (qualitative): identification of various pesticides
Article Number: 2011117
November 2026 Add to cart
Psychrotrophic bacteria milk
Parameters (quantitative): psychrotrophic total count (7°C) [cfu/g], psychrotrophic total count (21°C) [cfu/g]
Article Number: 2010546
Description: Possible methods for participation, e.g.: ISO 6730
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 November 2025 Add to cart
Psychrotrophic bacteria milk
Article Number: 2010546
November 2026 Add to cart
Raw cream 1
Parameters (quantitative): fat [g/100g], dry matter [g/100g], protein (N x 6,38) [g/100g]
Article Number: 2010003
Description: This proficiency testing scheme covers the value-assessing parameters in raw cream which are of great importance for dairy plants, veterinary and customs inspection service as well as for all food testing laboratories which cover the chemical raw cream testing in the scope of its test program.
Category: chemical-physical testing food and feed milk and cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping February 2025 Add to cart
Raw cream 1
Article Number: 2010003
February 2026 Add to cart
1 Parameter mit dieser Kennzeichnung sind abhangig von der Teilnehmerzahl und/oder der Materialauswahl.
Unter Umständen kann es vorkommen, dass dieser Parameter im Ringversuch nicht zur Verfügung steht.