Name Planned shipping method Start Date  
Peanut butter
Parameters (quantitative): dry matter [g/100 g], ash [g/100 g], total fat [g/100 g], crude protein (N x 6,25) [g/100 g], pH value [g/100 g], sodium chloride [g/100 g], total sugar (anhydrous) [g/100 g], fibre [g/100 g]
Article Number: 2011087
Category: chemical-physical testing food and feed food matrices (other)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping December 2025 Add to cart
Peanut butter
Article Number: 2011087
December 2026 Add to cart
Performance testing solid culture media – productivity (EN ISO 11133)
Parameters (quantitative): productivity [cfu]
Article Number: 2011336
Description: Productivity test according to DIN EN ISO 11133 or EN ISO 11133 on tryptic soy agar (TSA). As part of the proficiency test, participants are sent certified reference material in the form of the test organism and ready-to-use culture media plates to be tested. The productivity test is to be carried out as a triple determination.
Category: immunological, molecular biological and microbiological testing food and feed Performance testing culture media
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 1
Is currently underway. Can still be booked.
New proficiency testing
Refrigerated shipping September 2025 Add to cart
Performance testing solid culture media – productivity (EN ISO 11133)
Article Number: 2011336
September 2026 Add to cart
Pesticide residues in honey
Parameters (quantitative): τ-fluvalinate (CAS 102851-06-9) [µg/kg], DEET (CAS 134-62-3) [µg/kg], piperonylbutoxide (CAS 51-03-6) [µg/kg], malathion (CAS 121-75-5) [µg/kg], chlorpyrifos (CAS 2921-88-2) [µg/kg]
Article Number: 2011004
Description: Bees pollenize about 80% of agricultural crops, which are treated with different pesticides. Consistently, pesticide residues are found in honey. The honey however may only be sold if certain prescriptive limits are not exceeded. The proficiency test design includes at least 2 samples in different concentration ranges: this allows participants to demonstrate their ability to ensure the accuracy of results even in different concentration ranges and, at the same time, fulfills an important part of the requirements for method validation according to SANTE 11312/2021.
Category: chemical-physical testing food and feed honey and beeswax
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2026 Add to cart
Pesticides in cereals
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011114
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 cereals, cereal products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2026 Add to cart
Pesticides in chocolate
Parameters (quantitative): Malathion (CAS 121-75-5) [mg/kg], chlorpyrifos (CAS 2921-88-2) [mg/kg], metalaxyl (CAS 57837-19-1) [mg/kg], glyphosate (CAS 1071-83-6) [mg/kg]
Article Number: 2010249
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 cocoa and chocolate
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2026 Add to cart
Pesticides in citrus fruit
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011111
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 fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2026 Add to cart
Pesticides in fish, seafood
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011116
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 fish & seafood
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2026 Add to cart
Pesticides in fruiting vegetables
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011088
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 fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 2026 Add to cart
Pesticides in hemp seeds
Parameters (qualitative): Identification of various pesticides
Parameters (quantitative): Quantification of the identified pesticides [mg/kg]
Article Number: 2011118
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 fats, oils and oilseeds
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2026 Add to cart
Pesticides in oilseeds
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011094
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 fats, oils and oilseeds
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2026 Add to cart
Pesticides in pome fruit
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011089
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 fruit & vegetables products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping September 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 2026 Add to cart
PFAS in baby food
Parameters (quantitative): total perfluorooctanesulfonic acid (CAS 1763-23-1) [ng/kg], total perfluorooctanoic acid (CAS 335-67-1) [ng/kg], total perfluorononanoic acid (CAS 375-95-1) [ng/kg], total perfluorohexane sulfonic acid (CAS 355-46-4) [ng/kg]
Article Number: 2011126
Description: In each case, the sum of linear and branched isomers of PFOS, PFOA, PFNA and PFHxS is queried. The concentration of per- and polyfluorinated substances (PFAS) is in the ng/kg range.
Category: chemical-physical testing food and feed infant formula
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2025 Add to cart
PFAS in baby food
Article Number: 2011126
May 2026 Add to cart
PFAS in feed
Parameters (quantitative): total perfluorooctanesulfonic acid (CAS 1763-23-1) [µg/kg], total perfluorooctanoic acid (CAS 335-67-1) [µg/kg], total perfluorononanoic acid (CAS 375-95-1) [µg/kg], total perfluorohexane sulfonic acid (CAS 355-46-4) [µg/kg], total perfluorohexanoic acid (CAS 307-24-4) [µg/kg], total perfluorodecanoic acid (CAS 335-76-2) [µg/kg], total perfluorundecanoic acid (CAS 2058-94-8) [µg/kg], total perfluorododecanoic acid (CAS 307-55-1) [µg/kg], total perfluorotridecanoic acid (CAS 72629-94-8) [µg/kg], total perfluorotetradecanoic acid (CAS 376-06-7) [µg/kg], total perfluorobutane sulfonic acid (CAS 375-73-5) [µg/kg], total perfluorodecane sulfonic acid (CAS 335-77-3) [µg/kg], total perfluorooctanesulfonamide (CAS 754-91-6) [µg/kg]
Article Number: 2011140
Description: Many per- and polyfluorinated substances (PFAS) are subject to various restrictions in the European Union. For example, PFOS, PFOA, PFNA and PFHxS are subject to the maximum levels in selected foods introduced in the Contaminants Regulation (EU) 2023/915. Commission Recommendation (EU) 2022/1431 also recommends monitoring the presence of other PFAS in food, including PFDA, PFBS and PFOSA. This proficiency testing offers you the opportunity to check your analyses of a large number of PFAS.
Category: chemical-physical testing food and feed animal feed
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping November 2025 Add to cart
PFAS in feed
Article Number: 2011140
November 2026 Add to cart
PFAS in fish
Parameters (quantitative): total perfluorooctanesulfonic acid (CAS 1763-23-1) [µg/kg], total perfluorooctanoic acid (CAS 335-67-1) [µg/kg], total perfluorononanoic acid (CAS 375-95-1) [µg/kg], total perfluorohexane sulfonic acid (CAS 355-46-4) [µg/kg]
Article Number: 2011125
Description: In each case, the sum of linear and branched isomers of PFOS, PFOA, PFNA and PFHxS is queried. The concentration of per- and polyfluorinated substances (PFAS) is in the µg/kg range.
Category: chemical-physical testing food and feed fish & seafood
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping April 2026 Add to cart
PFAS in liquid egg
Parameters (quantitative): total perfluorooctanesulfonic acid (CAS 1763-23-1) [µg/kg], total perfluorooctanoic acid (CAS 335-67-1) [µg/kg], total perfluorononanoic acid (CAS 375-95-1) [µg/kg], total perfluorohexane sulfonic acid (CAS 355-46-4) [µg/kg], total perfluorohexanoic acid (CAS 307-24-4) 1 [µg/kg], total perfluorodecanoic acid (CAS 335-76-2) 1 [µg/kg], total perfluorundecanoic acid (CAS 2058-94-8) 1 [µg/kg], total perfluorododecanoic acid (CAS 307-55-1) 1 [µg/kg], total perfluorotridecanoic acid (CAS 72629-94-8) 1 [µg/kg], total perfluorotetradecanoic acid (CAS 376-06-7) 1 [µg/kg], total perfluorobutane sulfonic acid (CAS 375-73-5) 1 [µg/kg], total perfluorodecane sulfonic acid (CAS 335-77-3) 1 [µg/kg], total perfluorooctanesulfonamide (CAS 754-91-6) 1 [µg/kg]
Article Number: 2011128
Description: Many per- and polyfluorinated substances (PFAS) are subject to various restrictions in the European Union. For example, PFOS, PFOA, PFNA and PFHxS are subject to the maximum levels in selected foods introduced in the Contaminants Regulation (EU) 2023/915. Commission Recommendation (EU) 2022/1431 also recommends monitoring the presence of other PFAS in food, including PFDA, PFBS and PFOSA. This proficiency testing offers you the opportunity to check your analyses of a large number of PFAS.
Category: chemical-physical testing food and feed egg products
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Frozen shipping August 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.