Name Planned shipping method Start Date  
Jewellery (acc. to EN 1811)
Parameters (quantitative): surface area [cm²], nickel release [µg/cm²/week]
Article Number: 2010568
Description: Due to the increasing number of nickel containing prodcuts the amount of nickel allergies increases. Nickel is the most frequent cause for contact allergies. Therefore the nickel release is determined according to EN 1811. This proficiency testing is intended for all laboratories which test the nickel release on a routine basis or are establishing the method.
Category: chemical-physical testing consumer goods and packaging jewellery
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature July 2026 Add to cart
L.monocytogenes ice-cream
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010554
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 ice-cream
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
risk group 2
Frozen shipping December 2025 Add to cart
L.monocytogenes ice-cream
Parameters (qualitative): L. monocytogenes qualitative
Article Number: 2010554
July 2026 Add to cart
Lactic acid bacteria fruit juice
Parameters (quantitative): lactic acid bacteria (aerobic) [cfu/g], aerobic total count [cfu/g]
Article Number: 2010596
Description: Quantitative analyse of different germs like lactobacilli, e.g. with IFU-Method 2, IFU-Method 5
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 October 2025 Add to cart
Lactic acid bacteria fruit juice
Article Number: 2010596
April 2026 Add to cart
Lactobacillus ground meat
Parameters (quantitative): lactobacilli (aerobic) [cfu/g], aerobic total count [cfu/g]
Article Number: 2010212
Description: Possible methods for participation, e.g.: ISO 15214, DIN 10109, §35 LMBG 06.00-35
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 1
Frozen shipping March 2026 Add to cart
Lactobacillus milk powder
Parameters (quantitative): lactobacilli (microaerophilic) [cfu/g], aerobic total count [cfu/g], lactobacilli (aerobic) [cfu/g]
Article Number: 2010481
Description: Possible methods for participation, e.g.: ISO 15214, DIN 10109, §35 LMBG 06.00-35
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 2025 Add to cart
Lactobacillus milk powder
Article Number: 2010481
November 2026 Add to cart
Lead and cadmium in jewelry
Parameters (quantitative): lead (Pb) [mg/kg], cadmium (Cd) [mg/kg]
Article Number: 2010969
Description: The test should be carried out according to §64 LFGB B 82.02-23, §64 LFGB B 82.02-24 or a comparable method.
Category: chemical-physical testing consumer goods and packaging jewellery
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping September 2025 Add to cart
Lead and cadmium in jewelry
Article Number: 2010969
October 2026 Add to cart
Leather - 4-aminoazobenzene (ISO 17234-2)
Parameters (quantitative): 4-aminoazobenzene (CAS 60-09-3) [mg/kg]
Article Number: 2010200
Description: Possible testing e.g. by EN ISO 17234-2
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping July 2026 Add to cart
Leather - aromatic amines from azo dyes (ISO 17234-1)
Parameters (quantitative): o-toluidine (CAS 95-53-4) [mg/kg], o-anisidine (CAS 90-04-0) [mg/kg], o-dianisidine (CAS 119-90-4) 1 [mg/kg], 5-nitro-o-toluidine (CAS 99-55-8) [mg/kg], o-aminoazotoluene (CAS 97-56-3) 1 [mg/kg], 4-chloroaniline (CAS 106-47-8) 1 [mg/kg], 3,3'-dichlorobenzidine 1 [mg/kg], benzidine (CAS 92-87-5) 1 [mg/kg], o-tolidine (CAS 119-93-7) 1 [mg/kg], 2,4-diaminotoluene (CAS 95-80-7) 1 [mg/kg]
Article Number: 2010198
Description: Possible testing e.g. by EN ISO 17234-1
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Frozen shipping July 2026 Add to cart
Leather - bisphenols (ISO 11936)
Parameters (quantitative): bisphenol A (CAS 80-05-7) [mg/kg], bisphenol B (CAS 77-40-7) [mg/kg], bisphenol F (CAS 620-92-8) [mg/kg], bisphenol S (CAS 80-09-1) [mg/kg]
Article Number: 2011145
Description: Possible testing e.g. by EN ISO 11936
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping April 2026 Add to cart
Leather - burning rate FMVSS 302 and DBL 5307
Parameters (quantitative): Burning rate [mm/min]
Article Number: 2010770
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature April 2026 Add to cart
Leather - chromium (VI)
Parameters (quantitative): chromium VI (Cr VI) [mg/kg]
Article Number: 2011251
Description: Possible testing e.g. by EN ISO 17075-1; EN ISO 17075-2
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New proficiency testing
Frozen shipping October 2025 Add to cart
Leather - chromium (VI)
Article Number: 2011251
October 2026 Add to cart
Leather - colour fastness to perspiration ISO 11641
Parameters (quantitative): Change in color sample [grade], Staining of adjacent fabrics [grade]
Article Number: 2010643
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2026 Add to cart
Leather - colour fastness to water ISO 11642
Parameters (quantitative): Change in color sample [grade], Staining of adjacent fabrics [grade]
Article Number: 2010647
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature April 2026 Add to cart
Leather - pesticide residues content (ISO 22517)
Parameters (qualitative): identification of various pesticides
Parameters (quantitative): quantification of the identified pesticides [mg/kg]
Article Number: 2011122
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. Possible testing e.g. by EN ISO 22517
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Frozen shipping October 2026 Add to cart
Leather - PFAS (ISO 23702-1)
Parameters (quantitative): total perfluorohexane sulfonic acid (CAS 355-46-4) [µg/kg], total perfluorooctanesulfonic acid (CAS 1763-23-1) [µg/kg], total perfluorohexanoic acid (CAS 307-24-4) 1 [µg/kg], total perfluorooctanoic acid (CAS 335-67-1) [µg/kg], total perfluorononanoic acid (CAS 375-95-1) [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], 6:2 FTOH (CAS 647-42-7) 1 [µg/kg], 8:2 FTOH (CAS 678-39-7) [µg/kg], 10:2 FTOH (CAS 865-86-1) 1 [µg/kg], 12:2 FTOH (CAS 39239-77-5) 1 [µg/kg], 6:2 FTA (CAS 17527-29-6) 1 [µg/kg], 8:2 FTA (CAS 27905-45-9) [µg/kg], 10:2 FTA (CAS 17741-60-5) 1 [µg/kg], 6:2 FTMA (CAS 2144-53-8) 1 [µg/kg], 8:2 FTMA (CAS 1996-88-9) 1 [µg/kg], total fluor (TF) 1 [mg/kg]
Article Number: 2011143
Description: Many per- and polyfluorinated substances (PFAS) are subject to various restrictions in the European Union. The placing on the market and use of PFOS, PFOA and PFHxS, for example, is regulated in the POP Regulation (Regulation (EU) 2019/1021), while C9-C14 PFCAs are subject to the provisions of the REACH Regulation (Regulation (EC) No 1907/2006). In addition, many other PFAS have been added to the SVHC canidate list. This proficiency test offers you the opportunity to check your analyses of a large number of PFAS.
Category: chemical-physical testing consumer goods and packaging leather
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
New parameter selection
Frozen shipping August 2025 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.