Name Planned shipping method Start Date  
Odour test (variant D4 and D5) VDA 270
Parameters (quantitative): Odour D4 [Grade], Odour D5 [Grade]
Article Number: 2010516
Category: chemical-physical testing material testing leather
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature April 2025 Add to cart
Odour test (variant D4 and D5) VDA 270
Article Number: 2010516
April 2026 Add to cart
Odour test GMW 3205
Parameters (quantitative): Odor [rating]
Article Number: 2010555
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Odour test GMW 3205
Article Number: 2010555
March 2026 Add to cart
Odourtest VDA 270 - PV 3900
Parameters (quantitative): Odour B3 [grade]
Article Number: 2010851
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Is currently underway. Can still be booked.
Shipping at room temperature March 2025 Add to cart
Odourtest VDA 270 - PV 3900
Article Number: 2010851
March 2026 Add to cart
Oil repellency ISO 14419
Parameters (quantitative): Oil repellency [grade]
Article Number: 2010092
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature May 2025 Add to cart
Oil repellency ISO 14419
Article Number: 2010092
May 2026 Add to cart
Orange juice - limonin
Parameters (quantitative): limonin (CAS 1180-71-8) [mg/kg]
Article Number: 2011019
Category: chemical-physical testing food and feed non-alcoholic beverages
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Refrigerated shipping August 2025 Add to cart
Orange juice - limonin
Article Number: 2011019
August 2026 Add to cart
Organic acids
Parameters (quantitative): citric acid (anhydrous) [g/100 ml], formic acid [g/100 ml], sulfamic acid [g/100 ml]
Article Number: 2010914
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Organic acids
Article Number: 2010914
October 2026 Add to cart
Osmophilic moulds sugar solution
Parameters (quantitative): osmophilic moulds [cfu/g], aerobic total count [cfu/g]
Article Number: 2010538
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
Osmophilic yeasts sugar solution
Parameters (quantitative): osmophilic yeasts [cfu/g], aerobic total count [cfu/g]
Article Number: 2010536
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 October 2025 Add to cart
Osmophilic yeasts sugar solution
Article Number: 2010536
April 2026 Add to cart
Oxidizing agent
Parameters (quantitative): sodium hypochlorite [g/100g], hydrogen peroxide [g/100g], sodium percarbonate [g/100g]
Article Number: 2010916
Category: chemical-physical testing consumer goods and packaging cleaning agent
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature October 2025 Add to cart
Oxidizing agent
Article Number: 2010916
October 2026 Add to cart
Ozone Resistance and Permanent Deformation PV 3305
Parameters (quantitative): Crack pattern [evaluation class], Tension set [%]
Article Number: 2010671
Description: This Proficiency Test is part of the certification program at Volkswagen, independently of this, participation is possible for every laboratory.
Category: physical mechanical testing material testing rubber & TPE
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2025 Add to cart
Ozone Resistance and Permanent Deformation PV 3305
Article Number: 2010671
May 2026 Add to cart
PAHs in animal and vegetable fats and oils
Parameters (quantitative): benzo[a]pyrene (CAS 50-32-8) [µg/kg], benzo[a]anthracene (CAS 56-55-3) [µg/kg], chrysene (CAS 218-01-9) [µg/kg], benzo[b]fluoranthene (CAS 205-99-2) [µg/kg], sum of PAHs [µg/kg]
Article Number: 2010157
Description: A PAH concentration in the samples of approximately 0,1-5 µg/kg per PAH is to be expected.
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.
New parameter selection
Refrigerated shipping October 2025 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.